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Bulletin No. MCE-C 5017N
MOTOYAMA Style JNO/JNB safety relief valves covermost process plant overprotection applications
and complement our other extensive linesto satisfy your diversified requirements
GUARANTEE
"All Products of MOTOYAMA ENGINEERING WORKS LTD. are guaranteed for a period of one year from date of shipment to be free from defective workmanship and material. Within this period, any of our products claimed defective may be returned to our factory after written notification to and authorization by us, and if found to be defective after examination by us, the products will be repaired or replaced free of charge. F.O.B. our factory. Such defects shall be exclusive of the effects of corrosion, erosion,normal wear or improper handling or storage.
We make no representation, warranty or guaranty, express or implied, with regard to our products except as specifically stated. When in doubt as to the proper application of any particular product, you are invited to contact our International Sales Sect. We cannot otherwise be responsible for the selection of unsuitable equipment. Suitability of the material and product for the use contemplated by the buyer shall be the sole responsibility of the buyer.
Except as specifically set forth above and for warranty of title, MOTOYAMA MAKES NO WARRANTY, EXPRESS OR IMPLIED, OF ANY KIND INCLUDING WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
In no event will MOTOYAMA be liable for incidental or consequential damage."
CONTENTS
¡Specifications
¡Features
¡Nomination code
¡JNB & JNO-H
¡JLT & O-Ring
¡Caps and lifting levers
¡Standard valve materials
¡Special valve materials
¡Sizes, pressure‚ temperature limits
¡Seat tightness-metal-to-metal seats
¡Valve installation
¡Flanges and flange facing
¡Equivalents and conversion factors
¡Saturated steam capacities
¡Air capacities
¡Water capacities
¡Ordering Information
Notice: Specification in this bulletin is subject to change without notice due to time-to-time improvement.
Page
1
Specifications
¡JNO/JNB full nozzle top guided and direct spring loaded safety relief valves are manufactured in accordancewith requirements of ASME Code Section VIII.
¡Allowable. leak rate
¡Inlet flange ratings
¡Outlet flange rating
¡Temperature ranges
¡Sizes
¡Orifices
¡Dimensions
API Standard 527 (ANSI B147.1) (except steam service)
150 lb to 2500 lb ASME (ANSI)
150 lb and 300 lb ASME (ANSI)
–268˚C (–450F) to +538˚C (+1000F)
1"D2" to 8"T10"
D (0.709cm2) to T (167.740cm2)
Conforming to API Standard 526
Service
Style
JNO (Conventional type)
JNB (Balanced Bellows type)
JLT-JNO/JNB(JNO/JNB with liquid trim)
JNO-H (Open bonnet type)
Gasor
Vapor
–
– – –
–
10
10
–
10
25
25
10
–
7
7
–
7
25
25
10
–
Liquid Steam
Overpressure (%)
Gas orVapor or
SteamLiquid
Blowdown (%)
Gas orVapor or
SteamLiquid
O-ringsoftseat
Valve Styles and Services
: Recommended : Acceptable
Features
1 Outstanding PerformanceSmooth flow pattern enables to obtain large capacity of discharge in a stable manner. Capacities are certified by the National Board of Boiler and Pressure Vessel Inspectors.
2 Single Ring AdjustmentBlowdown control is provided with the adjustable nozzle ring only.
3 Positive Self AlignmentDouble universal ball joint assures tight-seal and proper alignment.
5 Excellent Seat Tightness
6 High Coefficient of Discharge for Liquid Service
Flat and thermally balanced disc insert makes no thermal distortion.
Patented JLT liquid trim acquires high capacity.
7 Easy and Economical Maintenance Minimized parts number saves customer's investment to own and to maintain valves.
4 Non Galling TroublesSpindle guide employes the advantages of large guiding ratio and of difference in material hardness.
2
Nomination code
J N
Blank, Standard valve
Blank, Standard valve
JLT— ; Liquid trim
( P.5)
—H ; for steam service Open bonnet type( P.4)(JNO only)
; Blanced bellows type
( P.4)
O
B
; Conventional type
1 ; Inlet flange 150 lb ASME (ANSI)
2 ; Inlet flange 300 lb ASME (ANSI)
3 ; Inlet flange 300 lb ASME (ANSI)
4 ; Inlet flange 600 lb ASME (ANSI)
5 ; Inlet flange 900 lb ASME (ANSI)
6 ; Inlet flange 1500 lb ASME (ANSI)
7 ; Inlet flange 2500 lb ASME (ANSI)
[Pressure ratings]( P.10 to 37)
A ; Screwed cap(Standard)
B ; Screwed cap and test rod
C ; Regular lifting lever
D ; Packed lifting lever
E ; Packed lifting lever and test rod
G ; Bolted cap
[Caps and lifting levers]( P.8)
2 ; –268˚C to –101˚C 316 St. St.[CF8M]
4 ; – 59˚C to – 30˚C 304 St. St.[CF8]
5 ; – 29˚C to +232˚C Carbon Steel[WCB]
3 ; –100˚C to – 60˚C 304 St. St.[CF8]
6 ; +233˚C to +427˚C Carbon Steel[WCB]
7 ; +428˚C to +538˚C Chrom Moly Steel
[Temperature ranges]〈Standard body materials〉( P.10 to 37)
Blank, Standard material–S1, –S4, –SO4, –SO5, –SO, –S5, –S, –M1, –M4, –M5, –M
( P.7)
[Special materials]
3
4
JNB & JNO-H
Style JNB balanced bellows valve
Bellows
Style JNO-H open bonnet valve
JNB Balanced Bellows type
A high capacity Safety-Relief Valve, but developed especiallyfor services where the valve must operate under conditionsof built-up or superimposed back pressure due to beingconnected to a closed blowdown system, and for thoseservices where severe corrosion or fouling of working partscan be anticipated. The bellows subassembly is the onlyconstruction difference between style JNB and JNO valvesand conversions from one style to the other are simple.
JNO-H Open Bonnet type
Style JNO-H with open bonnet and Type C regular liftinglever is available as an option for ASME Section VIIIsteam applications. Only the bonnet need be changed toconvert a Style JNO Type C to Style JNO-H.With the open bonnet feature, carbon steel spring materialcan be used to +343˚C (+650F).
5
JLT & O-Ring
JLT Liquid Trim Style JLT standard for liquid service
Full lift and rated capacity at 10% overpressure with stable operation from a pressure relief valve specificallydesigned for liquid service.
High Coefficient of Discharge
The JLT Liquid trim construction has a high coefficient of dis-charge. Generally a smaller JLT orifice size may be selectedthan that of a conventional pressure relief valve sized forthe same application. Smaller orifice sizes mean reducedvalve and related piping costs.
High Capacity at 10% Overpressure
Published valve capacities are based on capacity certificationtests performed at 10% overpressure. This eliminates theneed to use the traditional overpressure derating factorbased on 25% overpressure is based on the ASME Boiler andPressure Vessel Code that permits pressure in a vessel to rise10% above the maximum allowable working pressure(MAWP) of the vessel during an overpressure excursion.
Typical Valve Opening and closing Curve
6
O-Ring Soft Seat Materials and Pressure/Temperature Limits
EPR = Ethylene Propylene RubberNote: Other soft seat materials are available on request.
For O-ring seats below –150F (–101˚C) consult MOTOYAMA.For steam service, metal-to-metal seats are recommended; consult MOTOYAMA if soft seats are required.
MAXIMUM SETPRESSURE LIMITS
ORIFICE
DEFGHJKLMNPQRT
14801480148014801480148014801000110010001000
600300300
10.2010.2010.2010.2010.2010.2010.20
6.897.586.896.894.132.062.06
MAXIMUM SETPRESSURE
PSIG MPaG
7
Caps and lifting levers
8
Standard valve materialsJNO/JNB valve materials
● = Recommended spare parts◇ = Style JNB employs 316 St. St.※ 1 Guide Stem used J~T Orifice, D~H Orifice is one Piece Disc Holder.※ 2 See Page 6 for O-ring Soft Seat materials and Pressure/temperature limits.
Ref.No.
Part Name–29˚C
to +232˚C
JNO/JNB ( ) 5
+233˚Cto +427˚C
JNO/JNB ( ) 6
+428˚Cto +538˚C
JNO/JNB ( ) 7
–59˚Cto –30˚C
JNO/JNB ( ) 4
–100˚Cto –60˚C
JNO/JNB ( ) 3
01
02
03
04
● 05
● 5C
5D
● 06
07
08
09
● 10
● 11
12
13
14
15
16
● 18
● 19
20
21
22
● 23
Body
Nozzle
Nozzle Ring
Set Screw
Disc Holder
Bellows
Guide Stem ※ 1
Disc lnsert
O-Ring ※ 2
Guide
Spindle
Spring
Spring Washer (s)
Bonnet
Bonnet Stud
Bonnet Nut
Adjusting Bolt
Adj. Bolt Nut
Set Screw Gasket
Guide Gasket
Seal & Wire
Seal Clip
A Cap
Cap Gasket
Carbon Steel
304 St. St.
316 St. St.
304 St. St.
304 St. St.
316L St. St.
304N2 St. St.
304 St. St.
304 St. St.
420 St. St.
Carbon Steel
Steel
Carbon Steel
Alloy Steel
Steel
420 St. St.
Steel
Soft Steel
Soft Steel
St. St. & Tin
St. St.
Carbon Steel
Soft Steel
Alloy Steel
Chrome Moly Steel
Chrome Moly Steel 304 St. St.
Carbon Steel
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
316 St. St.
◇
◇
◇
304 St. St.
316 St. St.
316 St. St.
304 St. St.
304 St. St.
316 St. St.
–268˚Cto –101˚C
JNO/JNB ( ) 2
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
Buna N, Viton ASillicone Rubber
9
Ref.No.
Part NameStandard Material
JNO/JNB ( ) 5
SCPH 2/304 St.St.
( )( ) SO4
SCPH 2/316 St.St.
( )( ) S1 ( )( ) S4
304 St.St.
( )( ) SO5 ( )( ) SO
01
02
03
04
05
5C※5D
06
08
09
10
11
12
13
14
15
16
22
Body
Nozzle
Nozzle Ring
Set Screw
Disc Holder
Bellows
Guide Stem
Disc lnsert
Guide
Spindle
Spring
Spring Washer (s)
Bonnet
Bonnet Stud
Bonnet Nut
Adjusting Bolt
Adj. Bolt Nut
Gasket
A Cap
Carbon Steel
304 St. St.
316 St. St.
304 St. St.
304 St. St.
316L St. St.
304N2 St. St.
304 St. St.
304 St. St.
420 St. St.
Carbon Steel
Steel
Carbon Steel
Alloy Steel
Steel
420 St. St.
Steel
Soft Steel
Carbon Steel
304 St. St.
304 St. St.
304 St. St.
316 St. St.
316 St. St.
316 St. St.
420 St. St.
420 St. St.
Steel
Soft Steel
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304N2 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
304 St. St.
316 St. St.
304 St. St.
Ref.No.
Part NameStandard Material
JNO/JNB ( ) 5
316 Stainless Steel
( )( ) S5 ( )( ) S
Carbon Steel/MONEL
( )( ) M1 ( )( ) M4
MONEL
( )( ) M5 ( )( ) M
01
02
03
04
05
5C※5D
06
08
09
10
11
12
13
14
15
16
22
Body
Nozzle
Nozzle Ring
Set Screw
Disc Holder
Bellows
Guide Stem
Disc lnsert
Guide
Spindle
Spring
Spring Washer (s)
Bonnet
Bonnet Stud
Bonnet Nut
Adjusting Bolt
Adj. Bolt Nut
Gasket
A Cap
Carbon Steel
304 St. St.
316 St. St.
304 St. St.
304 St. St.
316L St. St.
304N2 St. St.
304 St. St.
304 St. St.
420 St. St.
Carbon Steel
Steel
Carbon Steel
Alloy Steel
Steel
420 St. St.
Steel
Soft Steel
Carbon Steel
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
316 St. St.
Carbon Steel
MONEL
304 St. St.
304 St. St.
304N2 St. St.
MONEL
304 St. St.
420 St. St.
Carbon Steel
Steel
Carbon Steel
420 St. St.
Steel
Soft Steel
Carbon Steel
MONEL
MONEL
MONEL
MONEL
MONEL
MONEL
MONEL
304 St. St.
MONEL
MONEL
MONEL
MONEL
MONEL
MONEL
MONEL/INCONEL
MONEL
Special valve materialsSpecial materials
〔Remarks〕The material Hastelloy C is available to manufacture.The pressure-temperature tables and charts on page 10-37 apply to standard materials.※Guide Stem used J~T Orifice, D~H Orifice is one Piece Disc Holder.
Al Meta
10
Specifications-Styles JNO, JNB and JNO-H
Sizes, pressure‚ temperature limits
D Orifice0.709 cm2
(0.110 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
※Weight of D or E cap increases by 6kg.
Dimensions and Weights D Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
3/4×1
3/4×13/4×1
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
55, 56, 57, 65, 66, 67
75, 76, 77
1×2
1×2
1×2
11/2×2
11/2×3
95.0
95.0
95.0
105.0
105.0
105.0
105.0
139.5
110.0
110.0
110.0
114.5
114.5
114.5
139.5
178.0
395
395
395
405
405
405
445
475
440
440
440
450
450
450
515
545
10
10
10
15
15
15
20
32
31
3139 ※35
39
39
51
63JNOJNB
15253545
556575
(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)
11/2×211/2×2
11/2×3(21/2)
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
16263646
566676
(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)
11/2×211/2×2
11/2×3(21/2)
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
JNOJNB
3747
576777
(3/4)1×2(1)(3/4)1×2(1)
11/2×211/2×2
11/2×3(21/2)
300600
150150
90015002500
300300300
14243444
(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)
150300300600
150150150150
13233343
(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)
150300300600
150150150150
12223242
(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)(3/4)1×2(1)
150300300600
150150150150
1.901.904.969.93
1.901.904.969.93
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3125.5541.37
12.7221.2435.40
1.971.971.971.97
4.144.145.10
1.591.591.591.59
3.453.453.45
20.020.052.0
104.1
156.1260.5421.9
13.020.043.286.8
20.020.020.020.0
129.7216.6361.0
42.242.252.0
20.020.020.020.0
42.242.252.0
20.020.0
42.242.252.0
16.216.216.216.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
35.235.235.2
16.216.216.216.2
35.235.235.2
16.216.2
35.235.235.2
13.020.043.286.8
129.7216.6361.0
5.620.028.858.0
86.8144.8241.1
35.971.4
107.2178.6297.4
15.130.2
45.775.9
126.6
1.591.591.591.59
3.453.453.45
1.591.59
3.453.453.45
1.971.971.971.97
4.144.145.10
1.971.97
4.144.145.10
1.281.974.248.52
12.7221.2435.40
0.551.972.835.69
8.5214.2023.65
3.527.00
10.5117.5129.16
1.482.96
4.487.45
12.41
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.591.591.591.59
1.591.591.591.59
1.591.591.591.59
19.319.350.6
101.2
19.319.350.6
101.2
19.319.350.6
101.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
Approx.Weight
(kg)TypeA※※
39※40.5
11
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
D Orifice0.709 cm2
(0.110 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500, cl 2500
12
Specifications-Styles JNO, JNB and JNO-H
E Orifice1.264 cm2
(0.196 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
※Weight of D or E cap increases by 6kg.
Dimensions and Weights E Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
1×2
1×2
1×2
55, 56, 57, 65, 66, 67
75, 76, 77
11/2×2
11/2×3
105.0
105.0
105.0
105.0
139.5
114.5
114.5
114.5
139.5
178.0
405
405
405
445
475
450
450
450
515
545
15
15
15
20
32
39
39
51
63JNOJNB
15253545
556575
1×21×21×21×2
11/2×211/2×2
11/2×3(21/2)
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
16263646
566676
1×21×21×21×2
11/2×211/2×2
11/2×3(21/2)
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
JNOJNB
3747
576777
1×21×2
11/2×211/2×2
11/2×3(21/2)
300600
150150
90015002500
300300300
14243444
1×21×21×21×2
150300300600
150150150150
13233343
1×21×21×21×2
150300300600
150150150150
12223242
1×21×21×21×2
150300300600
150150150150
1.901.904.969.93
1.901.904.969.93
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3125.5541.37
12.7221.2435.40
1.971.971.971.97
4.144.145.10
1.591.591.591.59
3.453.453.45
20.020.052.0
104.1
156.1260.5421.9
13.020.043.286.8
20.020.020.020.0
129.7216.6361.0
42.242.252.0
20.020.020.020.0
42.242.252.0
20.020.0
42.242.252.0
16.216.216.216.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
35.235.235.2
16.216.216.216.2
35.235.235.2
16.216.2
35.235.235.2
13.020.043.286.8
129.7216.6361.0
5.620.028.858.0
86.8144.8241.1
35.971.4
107.2178.6297.4
15.130.2
45.775.9
126.6
1.591.591.591.59
3.453.453.45
1.591.59
3.453.453.45
1.971.971.971.97
4.144.145.10
1.971.97
4.144.145.10
1.281.974.248.52
12.7221.2435.40
0.551.972.835.69
8.5214.2023.65
3.527.00
10.5117.5129.16
1.482.96
4.487.45
12.41
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.591.591.591.59
1.591.591.591.59
1.591.591.591.59
19.319.350.6
101.2
19.319.350.6
101.2
19.319.350.6
101.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
Approx.Weight
(kg)TypeA※※
39※40.5
13
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
E Orifice1.264 cm2
(0.196 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500, cl 2500
14
Specifications-Styles JNO, JNB and JNO-H
F Orifice1.980 cm2
(0.307 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
※Weight of D or E cap increases by 6kg.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
15253545
556575
11/2×211/2×211/2×211/2×2
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
16263646
566676
11/2×211/2×211/2×211/2×2
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
JNOJNB
3747
576777
11/2×211/2×2
11/2×211/2×2
11/2×3(21/2)
300600
150150
90015002500
300300300
14243444
11/2×211/2×211/2×211/2×2
150300300600
150150150150
13233343
11/2×211/2×211/2×211/2×2
150300300600
150150150150
12223242
11/2×211/2×211/2×211/2×2
150300300600
150150150150
1.901.904.969.93
1.901.904.969.93
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3125.5534.47
12.7221.2434.47
1.971.971.971.97
5.105.105.10
1.591.591.591.59
3.453.453.45
20.020.052.0
104.1
156.1260.5351.6
13.020.043.286.8
20.020.020.020.0
129.7216.6351.6
52.052.052.0
20.020.020.020.0
52.052.052.0
20.020.0
52.052.052.0
16.216.216.216.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
35.235.235.2
16.216.216.216.2
35.235.235.2
16.216.2
35.235.235.2
13.020.043.286.8
129.7216.6351.6
5.620.028.858.0
86.8144.8241.2
35.971.4
107.2178.6297.4
15.130.2
45.775.9
126.6
1.591.591.591.59
3.453.453.45
1.591.59
3.453.453.45
1.971.971.971.97
5.105.105.10
1.971.97
5.105.105.10
1.281.974.248.52
12.7221.2434.47
0.551.972.835.69
8.5214.2023.65
3.527.00
10.5117.5129.16
1.482.96
4.487.45
12.41
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.591.591.591.59
1.591.591.591.59
1.591.591.591.59
19.319.350.6
101.2
19.319.350.6
101.2
19.319.350.6
101.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
Dimensions and Weights F Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
11/2×2
11/2×2
11/2×2
55, 56, 57, 65, 66, 67
75, 76, 77
11/2×3
11/2×3
124.0
124.0
124.0
124.0
139.5
120.5
152.5
152.5
165.0
178.0
495
495
495
510
585
540
540
540
555
680
20
24
24
32
42
41
43
43
51
63JNOJNB
Approx.Weight
(kg)TypeA※※
15
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
F Orifice1.980 cm2
(0.307 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500, cl 2500
16
Specifications-Styles JNO, JNB and JNO-H
G Orifice3.245 cm2
(0.503 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
※Weight of D or E cap increases by 6kg.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
15253545
556575
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
11/2×3(21/2)2×32×3
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
16263646
566676
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
11/2×3(21/2)2×32×3
150300300600
150150150150
90015002500
300300300
JNOJNBJNO-H
JNOJNB
JNOJNB
3747
576777
11/2×3(21/2)11/2×3(21/2)
11/2×3(21/2)2×32×3
300600
150150
90015002500
300300300
14243444
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
150300300600
150150150150
13233343
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
150300300600
150150150150
12223242
11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)11/2×3(21/2)
150300300600
150150150150
1.901.904.969.93
1.901.904.969.93
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3125.5525.55
12.7221.2425.55
1.971.971.971.97
5.105.105.10
1.591.591.591.59
3.243.243.24
20.020.052.0
104.1
156.1260.5260.5
13.020.043.286.8
20.020.020.020.0
129.7216.6260.5
52.052.052.0
20.020.020.020.0
52.052.052.0
20.020.0
52.052.052.0
16.216.216.216.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
33.033.033.0
16.216.216.216.2
33.033.033.0
16.216.2
33.033.033.0
13.020.043.286.8
129.7216.6260.5
5.620.028.858.0
86.8144.8241.2
35.971.4
107.2178.6260.5
15.130.2
45.775.9
126.6
1.591.591.591.59
3.243.243.24
1.591.59
3.243.243.24
1.971.971.971.97
5.105.105.10
1.971.97
5.105.105.10
1.281.974.248.52
12.7221.2425.55
0.551.972.835.69
8.5214.2023.65
3.527.00
10.5117.5125.55
1.482.96
4.487.45
12.41
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.591.591.591.59
1.591.591.591.59
1.591.591.591.59
19.319.350.6
101.2
19.319.350.6
101.2
19.319.350.6
101.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
Dimensions and Weights G Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
11/2×3(21/2)
11/2×3(21/2)
11/2×3(21/2)
55, 56, 57
55, 56, 57, 65, 66, 67
11/2×3
2×3
124.0
124.0
124.0
124.0
155.5
120.5
152.5
152.5
165.0
171.5
495
495
495
565
590
540
540
540
660
685
22 (20)
26 (24)
26 (24)
37
45
41
43
43
51
70JNOJNB
Approx.Weight
(kg)TypeA※※
17
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
G Orifice3.245 cm2
(0.503 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500, cl 2500
18
Specifications-Styles JNO, JNB and JNO-H
H Orifice5.064 cm2
(0.785 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
※Weight of D or E cap increases by 6kg.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
15253545
5565
11/2×311/2×32×32×3
2×32×3
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
16263646
5666
11/2×311/2×32×32×3
2×32×3
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
3747
5767
2×32×3
2×32×3
300600
150150
150300
150300
14243444
11/2×311/2×32×32×3
150300300600
150150150150
13233343
11/2×311/2×32×32×3
150300300600
150150150150
12223242
11/2×311/2×32×32×3
150300300600
150150150150
1.901.904.969.93
1.901.904.969.93
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3118.96
12.7218.96
1.971.971.971.97
1.975.10
1.591.591.591.59
1.592.86
20.020.052.0
104.1
156.1193.4
13.020.043.286.8
20.020.020.020.0
129.7193.4
20.052.0
20.020.020.020.0
20.052.0
20.020.0
20.052.0
16.216.216.216.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
16.229.2
16.216.216.216.2
16.229.2
16.216.2
16.229.2
13.020.043.286.8
129.7193.4
5.620.028.858.0
86.8144.8
35.971.4
107.2178.6
15.130.2
45.775.9
1.591.591.591.59
1.592.86
1.591.59
1.592.86
1.971.971.971.97
1.975.10
1.971.97
1.975.10
1.281.974.248.52
12.7218.96
0.551.972.835.69
8.5214.20
3.527.00
10.5117.51
1.482.96
4.487.45
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.591.591.591.59
1.591.591.591.59
1.591.591.591.59
19.319.350.6
101.2
19.319.350.6
101.2
19.319.350.6
101.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
Dimensions and Weights H Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37,47
42, 43, 44, 45, 46
11/2×3
2×3
55, 56, 57, 65, 66, 67 2×3
130.5
130.5
154.0
124.0
124.0
162.0
510
510
625
555
555
720
23
28
50
41
43
2×3 154.0 162.0 570 620 3643
57JNOJNB
Approx.Weight
(kg)TypeA※※
19
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
H Orifice5.064 cm2
(0.785 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500
20
Specifications-Styles JNO, JNB and JNO-H
J Orifice8.303 cm2
(1.287 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
※Weight of D or E cap increases by 6kg.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
15253545
5565
2×32×3
3(21/2)×43(21/2)×4
3×43×4
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
16263646
5666
2×32×3
3(21/2)×43(21/2)×4
3×43×4
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
3747
5767
3(21/2)×43(21/2)×4
3(21/2)×43×4
300600
150150
9001500
150300
14243444
2×32×3
3(21/2)×43(21/2)×4
150300300600
150150150150
13233343
2×32×3
3(21/2)×43(21/2)×4
150300300600
150150150150
12223242
2×32×3
3(21/2)×43(21/2)×4
150300300600
150150150150
1.901.903.454.31
1.901.903.454.31
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3118.62
12.7218.62
1.971.971.971.97
1.974.14
1.591.591.591.59
1.591.59
20.020.052.0
104.1
156.1189.8
13.020.043.286.8
20.020.020.020.0
129.7189.8
20.042.2
20.020.020.020.0
20.042.2
20.020.0
20.042.2
16.216.216.216.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
16.216.2
16.216.216.216.2
16.216.2
16.216.2
16.216.2
13.020.043.286.8
129.7189.8
5.620.028.858.0
86.8144.8
35.971.4
107.2178.6
15.130.2
45.775.9
1.591.591.591.59
1.591.59
1.591.59
1.591.59
1.971.971.971.97
1.974.14
1.971.97
1.974.14
1.281.974.248.52
12.7218.62
0.551.972.835.69
8.5214.20
3.527.00
10.5117.51
1.482.96
4.487.45
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.591.591.591.59
1.591.591.591.59
1.591.591.591.59
19.319.335.243.9
19.319.335.243.9
19.319.350.6
101.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
19.319.319.319.3
16.216.216.216.2
Dimensions and Weights J Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37,47
42, 43, 44, 45, 46
2×3
3×4
57 3×4
136.5
184.0
184.0
124.0
181.0
181.0
495
615
655
540
660
750
24
40
65
41
52
62
3×4 184.0 181.0 700 740 5552
55, 56, 57, 65, 66, 67 3×4 184.0 181.0 730 825 7068JNOJNB
Approx.Weight
(kg)TypeA※※
21
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
J Orifice8.303 cm2
(1.287 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500
22
Specifications-Styles JNO, JNB and JNO-H
K Orifice11.858 cm2
(1.838 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
※Weight of D or E cap increases by 10kg.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
15253545
5565
3×43×43×43×4
3×63×6
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
16263646
5666
3×43×43×43×4
3×63×6
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
3747
5767
3×43×4
3×63×6
300600
150150
9001500
150300
14243444
3×43×43×43×4
150300300600
150150150150
13233343
3×43×43×43×4
150300300600
150150150150
12223242
3×43×43×43×4
150300300600
150150150150
1.901.903.624.14
1.901.903.624.14
1.901.904.969.93
1.971.975.10
10.20
1.281.974.248.52
15.3115.31
12.7215.31
1.971.971.971.97
1.974.14
1.031.031.031.38
1.381.38
20.020.052.0
104.1
156.1156.1
13.020.043.286.8
20.020.020.020.0
129.7156.1
20.042.2
20.020.020.020.0
20.042.2
20.020.0
20.042.2
10.510.510.514.1
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
14.114.1
10.510.510.514.1
14.114.1
10.514.1
14.114.1
13.020.043.286.8
129.7156.1
5.620.028.858.0
86.8144.8
35.971.4
107.2156.9
15.130.2
45.775.9
1.031.031.031.38
1.381.38
1.031.38
1.381.38
1.971.971.971.97
1.974.14
1.971.97
1.974.14
1.281.974.248.52
12.7215.31
0.551.972.835.69
8.5214.20
3.527.00
10.5115.31
1.482.96
4.487.45
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
1.031.031.031.38
1.031.031.031.38
1.031.031.031.38
19.319.336.942.2
19.319.336.942.2
19.319.350.6
101.2
19.319.319.319.3
10.510.510.514.1
19.319.319.319.3
10.510.510.514.1
19.319.319.319.3
10.510.510.514.1
Dimensions and Weights K Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37,47
42, 43, 44, 45, 46
3×4
3×4
57 3×6
155.5
155.5
184.0
162.0
162.0
181.0
670
670
745
715
715
845
52
55
60
52
52
59
3×4 184.0 181.0 745 790 7052
55, 56 3×6 198.5 216.0 850 985 7068
65, 66, 67 3×6 197.0 216.0 850 985 7068
JNOJNB
Approx.Weight
(kg)TypeA※※
23
Pressure-Temperature Limit Chart - To ASME (ANSI) cl 600
K Orifice11.858 cm2
(1.838 Sq. In.)Effective Area
Pressure-Temperature Limit Chart - ASME (ANSI) cl 900, cl 1500
24
※Weight of D or E cap increases by 10kg.
Specifications-Styles JNO, JNB and JNO-H
L Orifice18.406 cm2
(2.853 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
JNOJNB
15253545
55
3×43×44×64×6
4×6
150300300600
150150150150
900 150
JNOJNBJNO-H
JNOJNB
16263646
5666
3×43×44×64×6
4×64×6
150300300600
150150150150
9001500
150300
JNOJNBJNO-H
JNOJNB
3747
5767
4×64×6
4×64×6
300600
150150
9001500
150300
14243444
3×43×44×64×6
150300300600
150150150150
13233343
3×43×44×64×6
150300300600
150150150150
12223242
3×43×44×64×6
150300300600
150150150150
1.901.903.693.69
1.901.903.693.69
1.901.904.966.89
1.971.975.106.89
1.281.974.246.89
10.34 10.34
1.971.971.971.97
1.97
0.690.691.171.17
1.17
20.020.052.070.3
105.5
13.020.043.270.3
20.020.020.020.0
105.5 20.0
20.020.020.020.0
20.020.0
20.020.0
20.020.0
7.07.0
12.012.0
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
12.0
7.07.0
12.012.0
12.012.0
12.012.0
12.012.0
13.020.043.270.3
105.5105.5
5.620.028.858.0
86.8105.5
35.970.3
105.5105.5
15.130.2
45.775.9
0.690.691.171.17
1.171.17
1.171.17
1.171.17
1.971.971.971.97
1.971.97
1.971.97
1.971.97
1.281.974.246.89
10.3410.34
0.551.972.835.69
8.5210.34
3.526.89
10.3410.34
1.482.96
4.487.45
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
0.690.691.171.17
0.690.691.171.17
0.690.691.171.17
19.319.337.637.6
19.319.337.637.6
19.319.350.670.3
19.319.319.319.3
7.07.0
12.012.0
19.319.319.319.3
7.07.0
12.012.0
19.319.319.319.3
7.07.0
12.012.0
Dimensions and Weights L Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
3×4
4×6
4×6
55, 56, 57, 66, 67 4×6
155.5
179.5
179.5
197.0
165.0
181.0
203.0
222.0
745
775
790
870
785
815
835
1005
65
81
97
110
49
55
58
74JNOJNB
Approx.Weight
(kg)TypeA※※
25
Pressure-Temperature Limit Chart
L Orifice18.406 cm2
(2.853 Sq. In.)Effective Area
26
※Weight of D or E cap increases by 10kg.
Specifications-Styles JNO, JNB and JNO-H
M Orifice23.225 cm2
(3.60 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
15253545
4×64×64×64×6
150300300600
150150150150
16263646
4×64×64×64×6
150300300600
150150150150
JNOJNB
56
3747
4×6
4×64×6
900 150
300600
150150
JNOJNBJNO-H
JNOJNB
57 4×6 900 150
14243444
4×64×64×64×6
150300300600
150150150150
13233343
4×64×64×64×6
150300300600
150150150150
12223242
4×64×64×64×6
150300300600
150150150150
1.901.903.624.14
1.901.903.624.14
1.901.904.966.89
1.971.975.107.58
1.281.974.247.58
1.971.971.971.97
0.550.551.101.10
20.020.052.077.3
13.020.043.277.3
20.020.020.020.0
20.020.020.020.0
20.020.0
20.0
19.319.319.319.3
5.65.6
11.211.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
5.65.6
11.211.2
11.211.2
20.0 11.2
11.2
5.65.6
11.211.2
13.020.043.277.3
5.620.028.858.0
35.970.3
15.130.2
77.3 77.3
77.3 45.7
0.550.551.101.10
1.10
1.101.10
1.971.971.971.97
1.97
1.971.97
1.281.974.247.58
7.58
0.551.972.835.69
7.58
3.526.89
1.482.96
1.101.977.58 4.48
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
0.550.551.101.10
0.550.551.101.10
0.550.551.101.10
19.319.336.942.2
19.319.336.942.2
19.319.350.670.3
19.319.319.319.3
5.65.6
11.211.2
19.319.319.319.3
5.65.6
11.211.2
Dimensions and Weights M Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
4×6
4×6
4×6
56, 57 4×6
178.0
178.0
178.0
197.0
184.0
184.0
203.0
222.0
750
805
875
945
795
850
915
1080
81
95
113
120
55
55
59
65JNOJNB
Approx.Weight
(kg)TypeA※※
27
Pressure-Temperature Limit Chart
M Orifice23.225 cm2
(3.60 Sq. In.)Effective Area
28
※Weight of D or E cap increases by 10kg.
Specifications-Styles JNO, JNB and JNO-H
N Orifice27.999 cm2
(4.34 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
15253545
4×64×64×64×6
150300300600
150150150150
16263646
4×64×64×64×6
150300300600
150150150150
3747
4×64×6
300600
150150
JNOJNB
14243444
4×64×64×64×6
150300300600
150150150150
13233343
4×64×64×64×6
150300300600
150150150150
12223242
4×64×64×64×6
150300300600
150150150150
1.901.903.103.45
1.901.903.103.45
1.901.904.966.89
1.971.975.106.89
1.281.974.246.89
1.971.971.971.97
0.550.551.101.10
20.020.052.070.3
13.020.043.270.3
20.020.020.020.0
20.020.020.020.0
19.319.319.319.3
5.65.6
11.211.2
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
5.65.6
11.211.2
20.020.0
11.211.2
5.65.6
11.211.2
13.020.043.270.3
5.620.028.858.0
35.970.3
15.130.2
0.550.551.101.10
1.101.10
1.971.971.971.97
1.971.97
1.281.974.246.89
0.551.972.835.69
3.526.89
1.482.96
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
0.550.551.101.10
0.550.551.101.10
0.550.551.101.10
19.319.331.635.2
19.319.331.635.2
19.319.350.670.3
19.319.319.319.3
5.65.6
11.211.2
19.319.319.319.3
5.65.6
11.211.2
Dimensions and Weights N Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
4×6
4×6
4×6
197.0
197.0
197.0
209.5
209.5
209.5
905
905
905
950
950
950
111
111
119
55
55
59
Approx.Weight
(kg)TypeA※※
29
Pressure-Temperature Limit Chart
N Orifice27.999 cm2
(4.34 Sq. In.)Effective Area
30
※Weight of D or E cap increases by 24kg.
Specifications-Styles JNO, JNB and JNO-H
P Orifice41.161 cm2
(6.38 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
15253545
4×64×64×64×6
150300300600
150150150150
16263646
4×64×64×64×6
150300300600
150150150150
3747
4×64×6
300600
150150
JNOJNB
14243444
4×64×64×64×6
150300300600
150150150150
13233343
4×64×64×64×6
150300300600
150150150150
12223242
4×64×64×64×6
150300300600
150150150150
1.211.212.073.31
1.211.212.073.31
1.901.903.62 6.89
1.971.973.62 6.89
1.281.973.626.89
1.971.971.971.97
0.550.551.031.03
20.020.036.970.3
13.020.036.970.3
20.020.020.020.0
20.020.020.020.0
19.319.319.319.3
5.65.6
10.510.5
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
5.65.6
10.510.5
20.020.0
10.510.5
5.65.6
10.510.5
13.020.036.970.3
5.620.028.858.0
35.970.3
15.130.2
0.550.551.031.03
1.031.03
1.971.971.971.97
1.971.97
1.281.973.626.89
0.551.972.835.69
3.526.89
1.482.96
1.901.901.901.90
1.901.901.901.90
1.901.901.901.90
0.550.551.031.03
0.550.551.031.03
0.550.551.031.03
12.312.321.133.7
12.312.321.133.7
19.319.336.970.3
19.319.319.319.3
5.65.6
10.510.5
19.319.319.319.3
5.65.6
10.510.5
Dimensions and Weights P Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
4×6
4×6
4×6
181.0
222.5
222.5
228.5
254.0
254.0
935
980
1030
1050
1095
1145
115
122
171
52
58
58
Approx.Weight
(kg)TypeA※※
31
Pressure-Temperature Limit Chart
P Orifice41.161 cm2
(6.38 Sq. In.)Effective Area
32
※Weight of D or E cap increases by 24kg.
Specifications-Styles JNO, JNB and JNO-H
Q Orifice71.290 cm2
(11.05 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
15253545
6×86×86×86×8
150300300600
150150150150
16263646
6×86×86×86×8
150300300600
150150150150
3747
6×86×8
300600
150150
JNOJNB
14243444
6×86×86×86×8
150300300600
150150150150
13233343
6×86×86×86×8
150300300600
150150150150
12223242
6×86×86×86×8
150300300600
150150150150
1.141.141.722.07
1.141.141.752.07
1.141.142.074.14
1.141.142.074.14
1.141.142.074.14
0.790.790.790.79
0.480.480.790.79
11.611.621.142.2
11.611.621.142.2
8.18.18.18.1
8.18.18.18.1
8.18.18.18.1
4.94.98.18.1
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
4.94.98.18.1
8.18.1
8.18.1
4.94.98.18.1
11.611.621.142.2
5.611.621.142.2
11.642.2
11.630.2
0.480.480.790.79
0.790.79
0.790.790.790.79
0.790.79
1.141.142.074.14
0.551.142.074.14
1.144.14
1.142.96
0.790.790.790.79
0.790.790.790.79
0.790.790.790.79
0.480.480.790.79
0.480.480.790.79
0.480.480.790.79
11.611.617.621.1
11.611.617.621.1
11.611.621.142.2
8.18.18.18.1
4.94.98.18.1
8.18.18.18.1
4.94.98.18.1
Dimensions and Weights Q Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46, 47
6×8
6×8
6×8
239.5
239.5
239.5
241.5
241.5
241.5
1065
1065
1165
1180
1180
1280
220
220
260
57
57
68
Approx.Weight
(kg)TypeA※※
33
Pressure-Temperature Limit Chart
Q Orifice71.290 cm2
(11.05 Sq. In.)Effective Area
34
※Weight of D or E cap increases by 24kg.
Specifications-Styles JNO, JNB and JNO-H
R Orifice103.220 cm2
(16.0 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
15253545
6×86×86×106×10
150300300600
150150150150
16263646
6×86×86×106×10
150300300600
150150150150
3747
6×86×10
300600
150150
JNOJNB
14243444
6×86×86×106×10
150300300600
150150150150
13233343
6×86×86×106×10
150300300600
150150150150
12223242
6×86×86×106×10
150300300600
150150150150
0.380.381.031.38
0.380.381.031.38
0.690.691.592.07
0.690.691.592.07
0.690.691.592.07
0.410.410.690.69
0.410.410.690.69
7.07.0
16.221.1
7.07.0
16.221.1
4.24.27.07.0
4.24.27.07.0
4.24.27.07.0
4.24.27.07.0
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
4.24.27.07.0
4.27.0
4.27.0
4.24.27.07.0
7.07.0
16.221.1
5.67.0
16.221.1
7.021.1
7.021.1
0.410.410.690.69
0.410.69
0.410.410.690.69
0.410.69
0.690.691.592.07
0.550.691.592.07
0.692.07
0.692.07
0.410.410.690.69
0.410.410.690.69
0.410.410.690.69
0.410.410.690.69
0.410.410.690.69
0.410.410.690.69
3.93.9
10.514.1
3.93.9
10.514.1
7.07.0
16.221.1
4.24.27.07.0
4.24.27.07.0
4.24.27.07.0
4.24.27.07.0
Dimensions and Weights R Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26, 37
32, 33, 34, 35, 36
42, 43, 44, 45, 46, 47
6×8
6×10
6×10
239.5
239.5
239.5
241.5
266.5
266.5
1205
1205
1205
1320
1320
1320
231
250
260
58
68
68
Approx.Weight
(kg)TypeA※※
35
Pressure-Temperature Limit Chart
R Orifice103.220 cm2
(16.0 Sq. In.)Effective Area
36
※Weight of D or E cap increases by 24kg.
Specifications-Styles JNO, JNB and JNO-H
T Orifice167.740 cm2
(26.0 Sq. In.)Effective Area
Low Set Pressure Limits:JNO=0.10 MPaG (1.0 kg/cm2G)JNB=0.17 MPaG (1.75 kg/cm2G)
Sizes and Pressure/Temperature Limits(See also Set Pressure Chart Opposite)
*Upper temperature limit of JNO-H-15, 25, 35 and 45 valves is +343˚C (+650F)†Outlet pressure for temperatures above +38˚C (+100F) should not exceed the ANSI flange rating.
Valve Style
Valve Size StandardConnectionsASME (ANSI)
FlangesRaised Face
Maximum Set Pressure (MPaG) Back Press.Limit @ 38˚C
(MPaG)
Back Press.Limit @ 38˚C
(kg/cm2G) Inlettem-pera-ture
Inlet
Maximum Set Pressure (kg/cm2G)
Inlet
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†
–268˚Cto
–101˚C
–59˚Cto
–30˚C
–100˚Cto
–60˚C
–29˚Cto
38˚C
*232˚C 427˚C 538˚C JNO†
JNB†Inlet Outlet
Inlet×
Outlet
JNOJNBJNO-H
15253545
8×108×108×108×10
150300300600
150150150150
16263646
8×108×108×108×10
150300300600
150150150150
37 8×10 300 150
JNOJNB
142434
8×108×108×10
150300300
150150150
132333
8×108×108×10
150300300
150150150
122232
8×108×108×10
150300300
150150150
0.340.340.45
0.340.340.45
0.450.450.83
0.450.450.832.07
0.450.450.832.07
0.210.210.410.69
0.210.210.410.69
4.64.68.4
21.1
4.64.68.4
21.1
2.12.14.27.0
2.12.14.27.0
2.12.14.2
2.12.14.27.0
–29˚Cto
232˚C
233˚Cto
427˚C
428˚Cto
538˚C
–30˚Cto
–59˚C
–60˚Cto
–100˚C
–101˚Cto
–268˚C
2.12.14.27.0
7.0 7.0
2.12.14.2
4.64.68.4
21.1
4.64.68.4
21.1
21.1 15.8
0.210.210.410.69
0.69
0.210.210.410.69
0.69
0.450.450.832.07
0.450.450.832.07
2.07 1.55
0.210.210.41
0.210.210.41
0.210.210.41
0.210.210.41
0.210.210.41
0.210.210.41
3.53.54.6
3.53.54.6
4.64.68.4
2.12.14.2
2.12.14.2
2.12.14.2
2.12.14.2
Dimensions and Weights T Orifice
Valve Style ValveSize
Valve Dimensions (mm)
Center to Face Used ToFind BoltLengthInlet Outlet
E P
Approximate Height
Valve (Cap) Type
A, B, G C, D, EQ
JNOJNBJNO-H
12, 13, 14, 15, 16, 22, 23, 24, 25, 26
32, 33, 34, 35, 36, 37
42, 43, 44, 45, 46
8×10
8×10
8×10
276.0
276.0
276.0
279.5
279.5
279.5
1410
1410
1410
1495
1495
1495
350
380
390
65
65
65
Approx.Weight
(kg)TypeA※※
37
Pressure-Temperature Limit Chart
T Orifice167.740 cm2
(26.0 Sq. In.)Effective Area
As system pressure approaches the valve set pressure, the differentialforce tending to hold the seats in contact is diminished. Consequently,to obtain an acceptable degree of tightness capability, the valvemust be designed and built with a high level of quality.
MOTOYAMA pressure relief valves are carefully engineered andmanufactures ti provide those features essential for good valveperformance and continuous long term protection. The inherenthigh degree of seat tightness found in MOTOYAMA pressurerelief valves is possible due to the following design features.
1. Positive alignment of the seats through generous guiding andball joints.
2. Minimum distortion as a result of full nozzle construction andthermally balanced disc design.
3. Excellent flatness and surface finish of the seating surfaces byprecision machining and custom lapping.
Cleanliness of the system and proper installation of the valve arealso essential for good seat tightness.
DefinitionAmbiguous terms such as "bubble tight", "drop tight", "zeroleakage" and "commercial tightness" have been used in the past.Since these terms were used without uniform definition, theylacked true practical meaning.
Now with the adoption of a standard that defines the terminologyused to describe pressure relief devices (ASME Performance TestCode PTC-25.3), and the adoption of a standard describing a methodof determining seat tightness of relief valves (API Standard 527),there should exist a degree of uniformity throughout the industry.
"Commercial" Seat Tightness Standard(API Standard 527)The following API Standard of "commercial" tightness has beenadopted by industry and users in order to clarify testing methodsand tightness standards for the sake of uniformity. It applies topressure relief valves.
The API Standard is as follows:
Scope:This standard describes a method of determining seat tightness ofpressure relief valves as covered in API Standard 527 Seat Tightnessof Pressure Relief Valves. The maximum acceptable leakage rates aredefined for commercial pressure relief valves with, metal-to-metaland soft neats for set pressures up to 6000 psig (414 barg). Ifgreater tightness is required it can be supplied but must be specifiedon the purchase order or inquiry. See page 6 for O-Ring soft seatpressure-temperature limits.
Test ApparatusA typical test arrangement for determining seat tightness for pressurerelief valves is shown in Fig.1. Leakage measurement shall be madewith use of a 5/16 in. (7.93 mm) OD tubing with 0.035 in. (.88 mm)wall. The tube end shall be cut square and smooth. It shall be parallelto and 1/2 in. (12.7 mm) below the surface of the water A clamp typeseat leak apparatus is available from Crosby. Contact the factory.
ProcedureWith the valve mounted vertically, as shown in Fig. 1, the leakagerate in bubbles per minute shall be determined with pressure at thevalve inlet held at 90 percent of the cold differential test pressure,except for valves set at 50 psig (3.44 barg) or below, in which case thepressure shall be held at 5 psig (.34 barg) below the cold differentialtest pressure. The test pressure shall be applied for a minimum of 1minute for valves of inlet sizes through 2 in. (50.8 mm); 2 minutesfor sizes 2-1/2, 3 and 4 in. (63.5, 76.2 and 101.6 mm); 5 minutes forsizes 6 in. and 8 in. (152.4 and 203.2 mm). Air at approximatelyatmospheric temperature shall be used as the pressure midium.
Tightness StandardThe leakage rate in bubbles per minute shall not exceed the val-ues indicated in Table 1 below. For soft seated valves there shallbe no leakage for one minute (zero bubbles for one minute)
Table 1
Maximum Seat Leakage RateMetal Seated Pressure Relief Valves
MOTOYAMA Seat Tightness Standard-Water Service Valves(Style JLT)MOTOYAMA pressure relief valves are checked for seat tightnessby a quantitative seat leakage test. All of the test fluid passingthrough an assembled valve is collected and measured under thefollowing test conditions:
1. The inlet pressure is adjusted to a test pressure which is 90% of the"Cold Differential Test Pressure". Valves set below 50 psig (3.44barg) are tested at 5 psig (.34 barg) below the cold differentialtest pressure.
2. The seat leak pressure is maintained for a period of not lessthan ten minutes.
Allowable Leak RateThe maximum allowable leakage rate should not exceed 10 cubiccentimeters per hour per inch of diameter of nominal valve inletsize. For nominal valve sizes of 1 inch(25.4 mm) or less the leakagerate shall not exceed 10 cubic centimeters per hour. For soft seat-ed valves there shall be no leakage for one minute.
38
Seat tightness-metal-to-metal seatsPressure relief valve seat tightnessMetal-to-Metal seat and soft seat
SetPressure
psig(barg)
15-1000(1.03-68.9)
1500 (103.4)2000 (137.9)2500 (172.4)3000 (206.8)4000 (275.8)5000 (344.8)6000 (413.7)
40
6080
100100100100100
0.60
0.901.201.501.501.501.501.50
0.017
0.0260.0340.0430.0430.0430.0430.043
20
3040506080
100100
0.30
0.450.600.750.901.201.501.50
0.0085
0.0130.0170.0210.0260.0340.0430.043
MAX.Bubbles
PerMinute
Effective Orifice Sizes0.307 in.2 and Smaller
Effective Orifice SizesLarger Than 0.307 in.2
ApproximateLeakage RatePer 24 Hours
StandardCubicFeet
StandardCubic
Meters
StandardCubicFeet
StandardCubic
Meters
MAX.Bubbles
PerMinute
ApproximateLeakage RatePer 24 Hours
39
Valve installation
StorageRelief valves are often on hand at the job site months before theyare actually installed. Unless they are properly stored and protectedtheir performance may be affected injuriously. Roughness in handlingmay damage flanges or cause misalignment of the valve parts. It isbest to leave valves in shipment cases, store them in a dry placeand give them a protective covering until they are to be used.
InstallationInlet Piping–The valve should be mounted vertically in an uprightposition either directly on a nozzle from the pressure vessel or ona short connection fitting that provides direct and unobstructedflow between the vessel and the valve Installing a pressure reliefvalve in other than this recommended position might adverselyaffect its operations. Where rounded or beveled approaches cannotbe provided ahead of the valve it is recommended that one sizelarge riser or fitting be used. A valve should never be installed ona fitting having a smaller inside diameter than the inlet connectionof the valve. Compliance with the above recommendations willassure clean positive valve operation.Many valves are damaged when first placed in service because offailure to clean the connections properly when installed. Both thevalve inlet and the vessel and/or line on which the valve is mountedmust be thoroughly cleaned of all foreign material. The inlet con-nection bolts or studs should be drawn down evenly to avoidstraining the valve body with possible distortion of the nozzleflange or base. The design and analysis of the inlet piping for apressure relief station must include all of the valve operatingforces (reaction forces) as well as the installation loads and forces.
Outlet Piping–Discharge piping should be simple and direct.Where possible a short vertical pipe discharging into the atmosphereis the most desirable type of outlet piping, and affords little trou-ble. (See illustration.) However, if this is impractical and the dis-charge must be piped to some definite place, the precautions list-ed below should be carefully considered.
All Valves:1. MOTOYAMA valves are designed with reinforced inlet necks to
minimize effects of discharge piping loads. However, regardlessof this reinforcement, discharge piping should be designed forminimum load on the valve under all conditions of valve operation.
2. Expansion joints or large radius bends of proper design andcold spring should be provided to prevent excessive strain onthe valve body under normal operating conditions. An excessiveexpansion load is a continuous source of trouble in improperlydesigned installations. (See illustration below.)
3. The piping should be anchored to prevent any swaying or vibrationwhile the valve is discharging.
4. Where possible, open drains should be provided to prevent anyaccumulation of corrosive media in the valve body.
Conventional Valves5. When two or more valves are installed to discharge into a common
header the discharge pressure due to the opening of one (ormore) valve(s) may affect the opening pressure of the remain-ing valves in the system.
5a Closed Top Valves With Bonnets NOT VENTEDThe discharge line pressure of these valves will increase theopening pressure by the amount (p.s.i.) of the discharge pressure.
5b Closed Top Valves With Bonnets VENTEDThe set pressure of the remaining valves in the system will bereduced by the amount(p.s.i.) of the discharge pressure.
Where either of the above conditions are unacceptable the use ofStyle JNB Balanced Bellows valves as described below is recommended.
Note: Conventional Valves with vented bonnets are not suitablefor continuous back pressure.
Bellows Valves5c The Style JNB Balanced Bellows Safety-Relief valve is particularly
adapted to installations where two or more relief valves mustbe vented into a closed exhaust system resulting in variableback pressures which would affect the performance of a con-ventional type relief valve. The metal bellows used in Style JNBis so designed that the effective area of the bellows is equivalentto that of the valve seat. Because of this balanced area design,back pressure surges, whether constant or variable, do notadversely affect the performance of the valve. These valves areregularly furnished with atmospheric vents from the bonnet.
Recommended Installation –Discharging to Atmosphere; Inlet Piping
Direct as above or as in other illustration.
Recommended Installation –Outlet Pipe Designed for Minimum Strain on Valve;
Inlet Piping Direct as above or as in other illustration.
DISCHARGE PIPE
40
Flanges and flange facing
Dimensions of flanges conform to current ASME (ANSI)standards. On full nozzle valve inlets, however thethicknesses are greater than the minimum required byASME (ANSI) standards. Dimension X shown oppositeshould be used to determine bolt length. Dimension Xremains the same for raised face or ring joint flanges andis found on pages 10 through 36.
All flange facings are finished with spiral serration.Concentric serration finish are optional. Flange facingson valves for marine or Navy use must follow govern-ment specifications. Drilling of inlet and outlet flangeholes straddle the valve center line. Inlet and outletflanges are spot faced on back for stud nuts. Center-to-face dimensions are Subject to tolerance of±1/16"(1.5 mm) for valves through 4" inlet size and±1/8"(3.2 mm) for valves with inlet size larger than 4".
In addition to standard raised face or ring joint flanges,tongue and groove or other facings are optionallyavailable.
41
Equivalents and conversion factors
This table may be used in two ways: (1) Multiply the unit under column A by the figure under column B,the result is the unit under column C.
(2) Divide the unit under column C by the figure under column B, theresult is then in the unit under column A.
AtmospheresAtmospheresAtmospheresAtmospheresAtmospheresAtmospheres
14.6971.033
29.9276040733.90
Pounds per square inchKilograms per sq. cm.Inches of mercuryMillimeters of mercuryInches of waterFeet of water
CentimetersCentimetersCentimetersCentimetersCubic CentimetersCubic feetCubic feetCubic feet per secondCubic inchesCubic inchesCubic inchesCubic meters per hour
0.39370.032810.010.010940.061027.480550.17812
448.83316.390.004329
264.174.4
InchesFeetMetersYardsCubic inchesGallonsBarrelsGallons per minuteCubic centimetersGallonsGallonsGallons per minute
FeetFeetFeetFeet of waterFeet of water
0.30480.3333
30.480.8820.433
MetersYardsCentimetersInches of mercuryPounds per square inch
Gallons (U.S.)Gallons (U.S.)Gallons (U.S.)Gallons (Imperial)Gallons (U.S.)Gallons (U.S.)Gallons of waterGallons of liquid per
minuteGallons per minute
37850.13368
231277.4
0.8333.7858.328
500× Sp.Gr.
0.002228
Cubic centimetersCubic feetCubic inchesCubic inchesGallons (Imperial)LitersPounds (at 21˚C)Pounds per hr. liquid
(at 21˚C)Cubic feet per second
InchesInchesInchesInchesInches of mercuryInches of mercuryInches of mercuryInches of mercuryInches of waterInches of water
2.540.08330.02540.027781.1330.49120.03340.03450.036130.07355
CentimetersFeetMetersYardsFeet of waterPounds per square inchAtmospheresKilograms per sq. cm.Pounds per square inch Inches of mercury
KilogramsKilogramsKilogramsKilograms per minuteKilograms per sq. cm.Kilograms per sq. cm.Kilograms per sq. cm.
2.2050.001102
35.27132.314.220.9678
28.96
PoundsShort tons (2000 lbs.)OuncesPounds per hourPounds per square inchAtmospheresInches of mercury
AMULTIPLY
BBY
CTO OBTAIN
AMULTIPLY
BBY
CTO OBTAIN
LitersLitersLiters per hour
10000.26420.0044
Cubic centimetersGallonsGallons per minute
MetersMetersMetersMeters
3.2811.0936
10039.37
FeetYardsCentimetersInches
PoundsPoundsPoundsPoundsPoundsPounds per hourPounds per hour liquid
Pounds per sq. inchPounds per sq. inchPounds per sq. inchPounds per sq. inchPounds per sq. inchPounds per sq. inchPounds per sq. inch
453.60.00050.45360.000454
166.32/M. W.0.002/
Sp. Gr.27.6842.3072.0360.07030.0680
51.710.7037
GramsShort tons (2000 lbs.)KilogramsMetric tonsOuncesCubic feet per minuteGallons per minute
liquid (at 21˚C)Inches of waterFeet of waterInches of mercuryKilograms per sq. cm.AtmospheresMillimeters of mercuryMeters of water
Specific Gravity(of gas or vapors)
Square centimetersSquare inches
28.97
0.15506.452
Molecular Wt.(of gas or vapors)
Square inchesSquare centimeters
Water (cubic feet) 62.3 Pounds (at 21˚C)
TemperatureCENTIGRADE=5/9 (FAHRENHEIT –32)FAHRENHEIT=9/5 CENTIGRADE +32
42
Saturated steam capacities
Kilograms per Hour (90% Rating) at Set Pressure plus 10% overpressureMeet Requirements of ASME Boiler and Pressure Vessel Code, Section VIII.
(Unit : kg/h)
NOTE: For superheated steam multiply above capacities by correction factor Ksh.
SetPressure(kg/cm2G)
ORIFICE LETTER AND EFFECTIVE AREA (cm2)
D0.709
1.01.52.02.5
3.03.54.04.55.0
5.56.06.57.07.5
8.08.59.09.5
10.0
11.012.013.014.015.0
16.017.018.019.020.0
22.024.026.028.030.0
32.034.036.038.040.0
42.044.046.048.050.0
55.060.065.070.075.0
80.085.090.095.0
100.0
7595
114134
154173193212232
274309344379413
430484539594648
703792882971
1060
10991239137915191658
18012030225924882717
25742901322835553882
39944501500955166023
50415681632169617602
60766848762083929163
893510069112041233913474
1544617431193962136023325
2240325248280943094033785
3640941033456585028354907
252271291310330
448483518553588
703758812867921
11501239132914181507
17981938207722172357
29463175340436323861
42094536486351905517
65317038754580538560
824288829523
1016310803
993510707114791225113023
1460915744168791801419149
2529027254292193118333148
3663139476423224516848013
5953264157687827340678031
349369389408428
623658692727762
9761031108511401195
15971686177518651954
24962636277629163055
40904319454847775006
58446171649868257152
90689575
100821059011097
1144412084127241336514005
1379414566153381611016882
2028421419225542368924824
3511337077390424100742971
5085953705565505939662242
82656872809190596530
101155
467506545584624
832902971
10411111
13041413152316321741
21332312249026692848
33353614389441734452
54635921637968377294
7806846091149768
10422
1211213126141411515616171
1528616566178471912720408
1842619969215132305724600
2709429363316333390336173
4690050830547595868862617
6793373624793168500790698
110404119653128903138152147402
663702741780819
11811250132013901459
18501960206921782288
30263205338435633741
47325011529155705850
77528210866891259583
1107611730123841303813692
1718518200192152023021244
2168922969242502553126811
2614427688292313077532319
3844340713429834525247522
6654770476744057833482264
96390102081107772113463119155
156651165901175150184399193649
898976
105411331211
15991738187820172157
25062725294331623380
40994456481451715529
64086967752680858644
1049911414123301324514161
1500016308176161892420232
2327425303273332936231392
2937231934344953705639617
3540638493415814466847756
5206256602611426568170221
9012297981
105839113697121556
12891368144615241603
22962436257527152854
35993818403642554473
58866244660169587316
92039761
103201087911438
1507615992169071782318738
2154022848241562546426772
3342135451374803951041539
4217944740473014986252424
5084353930570186010563192
7476179301838408838092920
129414137273145131152990160848
16811759183819161994
29943133327234123551
46924910512953485566
76738031838887469103
1199712556131141367314232
1965420569214852240023316
2808029388306963200433312
4356945598476274965751686
5498557546601076266965230
6628069367724557554278629
97460101999106539111079115619
168707
21902386258227782973
39004249459749465295
61136659702577528298
999710890117841267813571
1562917026184231982021218
2560527893301823247134760
3658239853431234639349663
56760618346690771918
7163378036844399084397246
3634894066
101785109503
126968139317149667161016
31693365356137573953
56435992634166897038
884593919938
1048411031
1446515359162521714618039
2261524012254092680628203
3704839337416264391546204
5293356203594736274366013
E1.264
135169204239
F1.980
211266320375
G3.245
346435524614
H5.064
541680820960
J8.303
886111513441573
K11.858
1266159319202247
L18.406
1964247229793486
M23.225
2479312037604400
N27.999
2989376045325304
P41.161
4395553066657800
Q71.290
76089573
1153713502
R103.22
11020138661671119557
T167.74
17910225342715931784
43
Air capacities
Normal cubic meters per minute at 15.6˚C plus 10% overpressureMeet Requirements of ASME Boiler and Pressure Vessel Code, Section VIII.
(Unit : Nm3/min)
SetPressure(kg/cm2G)
ORIFICE LETTER AND EFFECTIVE AREA (cm2)
D0.709
1.01.52.02.5
3.03.54.04.55.0
5.56.06.57.07.5
8.08.59.09.5
10.0
11.012.013.014.015.0
16.017.018.019.020.0
22.024.026.028.030.0
32.034.036.038.040.0
42.044.046.048.050.0
55.060.065.070.075.0
80.085.090.095.0
100.0
1.6862.1212.5562.992
3.4273.8624.2984.7335.168
6.1026.8777.6538.4289.203
9.56410.77911.99413.20914.424
15.64117.62819.61521.60223.588
24.45327.56030.66633.77236.878
40.06145.14950.23855.32760.415
57.23764.50771.77779.04886.318
88.806100.087111.360122.640133.920
112.076126.313140.540154.780169.020
135.099152.259169.410186.580203.740
198.652223.885249.110274.350299.580
343.876387.555431.230474.910518.590
498.087561.354624.620687.880751.150
809.483912.305
1015.1201117.9401220.760
1323.5901426.4101529.2301632.0501734.870
9.97810.75311.52912.30413.079
15.63816.85318.06819.28320.498
25.57527.56229.54931.53633.522
39.98443.09046.19749.30352.409
65.50470.59375.68180.77085.858
93.588100.859108.129115.399122.670
145.200156.480167.760179.040190.320
183.250197.490211.720225.960240.200
220.900238.060255.220272.380289.540
324.810350.050375.280400.510425.750
562.270605.950649.630693.310736.990
814.420877.690940.950
1004.2201067.490
1837.6901940.5102043.3302146.1602248.980
13.85414.62915.40416.18016.955
21.71322.92824.14325.35726.572
35.50937.49639.48341.47043.456
55.51558.62161.72764.83367.940
90.94796.036
101.124106.213111.302
129.940137.210144.481151.751159.021
201.600212.890224.170235.450246.730
254.430286.670282.910297.140311.038
306.700323.860341.020358.180375.340
450.980476.210501.440526.680551.910
780.670824.350868.020911.700955.380
1130.7601194.0201257.2901320.5601383.830
2454.6202660.2602865.9003071.5503277.190
18.50520.05621.60623.15624.707
29.00231.43233.86236.29138.721
47.43051.40455.37759.35163.325
74.15280.36486.57792.78999.001
121.479131.656141.833152.011162.188
173.562188.102202.643217.184231.724
269.290291.850314.410336.970359.530
339.850368.320396.790425.270453.740
409.660443.980478.300512.620546.940
602.380652.840703.310753.770804.240
1042.7401130.1001217.4601304.8201392.180
1510.3601636.9001763.4301889.9702016.500
3482.8303688.4703894.1204099.7604305.400
26.25727.80729.35830.90832.458
41.15143.58146.01148.44050.870
67.29871.27275.24579.21983.193
105.213111.426117.638123.850130.063
172.365182.542192.720202.897213.074
246.265260.806275.346289.887304.427
382.090404.650427.210449.770472.330
482.210510.680539.150567.630596.100
581.260615.590649.910684.230718.550
854.710905.170955.640
1006.1101056.570
1479.5401566.9001654.2501741.6101828.970
2143.0402269.5702396.1102522.6402649.180
35.55938.66041.76144.86147.962
55.73060.58965.44970.30875.168
91.14099.087
107.034114.982122.929
142.487154.912167.337179.761192.186
233.429253.783174.138284.492314.847
333.509362.590391.671420.753449.834
517.450562.570607.700652.820697.940
653.040709.990766.930823.880880.820
787.190855.830924.470993.110
1061.760
1157.5001258.4401359.3701460.3001561.230
2003.6902178.4102353.1302523.8402702.560
51.06354.16457.26460.36563.466
80.02784.88789.74694.60699.466
130.876138.823146.771154.718162.665
204.610217.035229.460241.884254.309
335.201355.556375.910396.265416.619
478.915507.996537.078566.159595.240
743.060788.180833.300878.420923.540
937.770994.710
1051.6501108.6001165.540
1130.4001199.0401267.6801336.3201404.960
1662.1601763.1001864.0301964.9602065.890
2877.2803052.0003226.7103401.4303576.150
66.56669.66772.76875.86978.969
104.325109.185114.044118.904123.763
170.612178.560186.507194.454202.401
266.734279.158291.583304.007316.432
436.974457.328477.683498.037518.392
624.321653.403682.484711.565740.646
968.6701013.7901058.9101104.0301149.150
1222.4901279.4301336.3801393.3201450.270
1473.6101542.2501610.8901679.5301748.170
2166.8302267.7602368.6902469.6202570.500
3750.870
86.72194.473
102.225109.977117.728
135.912148.061160.210172.359184.508
222.269242.138262.006281.874301.742
347.494378.555409.617440.678471.740
569.278620.164671.050721.930772.820
813.350886.053958.756
1031.4501104.160
1261.9501374.7601487.5601600.360
1592.6301734.9901877.3502019.7102162.070
1919.7802091.3802262.9802434.590
2822.8003075.2003327.5003579.800
125.480133.232140.984148.736156.488
196.656208.805220.954233.103245.252
321.610341.478361.346381.214401.082
502.801533.863564.925595.986627.048
823.700874.590925.480976.360
1027.250
1176.8601249.5601322.2701394.9701467.670
5.6046.0396.4756.9107.345
7.7818.2168.6519.0879.522
10.39311.26312.13413.00513.876
14.74615.61716.48817.35918.229
19.97121.71223.45425.19526.936
28.67830.41932.16133.90235.644
37.38539.12740.86842.60944.351
48.70553.05857.41261.76566.119
70.47374.82679.18083.53387.887
E1.264
3.0023.7774.5525.327
F1.980
4.7045.9197.1348.349
G3.245
7.6949.681
11.66713.654
H5.064
12.02915.13518.24121.347
J8.303
19.70624.79529.88434.972
K11.858
28.15535.42642.69649.966
L18.406
43.68554.96566.24677.526
M23.225
55.13269.36883.60497.840
N27.999
66.45783.617
100.778117.938
P41.161
97.720122.953148.186173.419
Q71.290
169.158212.837256.517300.196
R103.22
245.017308.284371.552434.819
T167.74
398.198501.019603.841706.662
44
Water capacities (JLT liquid trim only)
Liters per Minute at Set Pressure plus 10% overpressure
(Unit : R/min)
NOTE: Where back pressure exists, use instead of set pressure, the difference between set pressure and the back pressure.
SetPressure(kg/cm2G)
ORIFICE LETTER AND EFFECTIVE AREA (cm2)
D0.709
1.01.52.02.5
3.03.54.04.55.0
5.56.06.57.07.5
8.08.59.09.5
10.0
11.012.013.014.015.0
16.017.018.019.020.0
22.024.026.028.030.0
32.034.036.038.040.0
42.044.046.048.050.0
55.060.065.070.075.0
80.085.090.095.0
100.0
46566573
80869298
103
142154165175184
223241258274289
367396423449473
572618661701739
9391014108411501212
13411448154816421731
20812248240325492687
26262837303332173391
31663420365638784088
46555028537557026010
8063870993119875
10410
1167512610134811429915072
1897320493219082323724494
108113118122126
193202210218226
303316329342354
496519540560580
775810843874905
12711328138214341484
18161896197420482120
28182944306431803291
35563715386640124153
42884478466148375007
63036584685371117361
1091811403118691231712749
1580816511171851783418460
2568926831279272898129999
130134138142146
233240247254261
365376387398408
599617635653670
935964992
10191045
15331580162616711714
21902257232323862448
33993504360537043801
42894421455046744796
51715330548556355782
76027836806382848500
1316713573139661434914722
1906519652202222077621315
3098231936328623376234639
153160166173179
273285297308319
428447466483500
702734764792820
10961145119212371280
17981878195520282100
25682682279228972999
39864163433344974655
50305253546856745874
60646333659268417081
891593119691
1005710410
1544016127167851741918030
2235623350243032522126106
3633037946394954098642425
185190196201207
330340350359369
517533548563578
847873899923947
13221363140314411478
21682235230023632424
30973192328533753463
48074955509952395375
60666253643466116782
73137538775779708177
1075111082114041171612021
1862219195197512029220820
2696227792285982938130145
4381645164464744774748988
217226236244253
387404420436452
606633659684708
9931038108011211160
15511620168617491811
25432656276428692969
36323793394840974241
56375888612863606583
71137430773380258307
8576895793239675
10014
1260713168137061422314722
2183622807237382463425499
261269277285292
466481495508522
731753775797817
11981235127113061340
18701928198420382091
30673161325333423429
43804515464647734897
67997008721174097602
85798843910093499592
1034310661109701127111564
1520515673161271656917000
2633527146279332869829444
300307314320327
534547559571583
837857876895914
13731405143714681498
21432193224222912338
35133596367737563834
50185136525253655475
77897973815283278499
989210060102861050710724
1184912128124011266712929
1742017830182301862219006
30171
343358373387400
612639665690714
9581001104210811119
15711641170817721835
24522561266627662863
40214200437145364695
57425998624364786706
891493109690
10056
1124811748122271268913134
13560141631474115297
19934208212167122489
414426439451463
738761783804825
11561192122612601293
18951953201020652119
29573048313732233306
48494999514352845422
69267139734675477743
E1.264
82101116130
F1.980
129158182204
G3.245
211259299335
H5.064
330405467522
J8.303
542664766857
K11.858
774948
10951224
L18.406
1201147216991900
M23.225
1516185721442398
N27.999
1828223925852891
P41.161
2687329238014250
Q71.290
4655570165837361
R103.22
674082559532
10657
T167.74
10954134151549117319
Ordering Information
The primary purpose of Style JNO/JNB safety reliefvalves is to protect lives and property. In order toselect the proper valve for your application,please provide the information listed below.
Details of the process fluid and conditions areespecially important. If there is any doubt as toselection or application of valves or parts, pleasecontact our International Sales Sect.
Ordering Information
QuantityNominal valve size (inlet × orifice × outlet)Valve styleInlet connection rating and facingOutlet connection rating and facingService (liquid, gas or vapor)Set pressureBack pressure if any, and whether constant or variableMaximum service temperature (˚C)Cap or lifting lever typeValve materialsSeat materialCode requirementsRequired capacityAccumulation (allowable overpressure)Molecular weight–vaporSpecific gravity–gases and liquidsViscosity–liquids
Example
54 × L × 6JNO-45600RF150RFair790PsiGatmosphereambient 15˚CType Cstandardmetal-to-metal standardASME Unfired Pressure Vessel Code Section VIII1217 Nm3/min10%–1.0–
PartsTo order parts, the following information shouldbe included:
1. Quantity2. Part name, i.e. (disc insert)3. Size, style and valve number4. Serial number (from valve nameplate)5. Original purchase order number (if serial num-
ber has been destroyed)
SpringsTo order springs, the required valve set pressuremust also be specified in addition to the aboveparts information.
Replacement valvesTo replace a valve in service, the serial number, setpressure and previous order number should bespecified.
45
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MOTOYAMA VALVE (DALIAN) CO., LTD Gangxing Street 39-14-7, Jinzhou New District, Dalian City, 116601 China TEL: +86-411-6589-1277 FAX: +86-411-6589-1278
●OVERSEAS NETWORK
China, Korea, Taiwan, Singapore, Indonesia, Malaysia, Saudi Arabia
■本カタログの記載内容は、商品の改良等のため予告なく変更することがありますので予めご了承下さい。
■MOTOYAMA is continuously improving and upgrading its product design, specifications and/or dimensions. Information included herein is
subject to change without notice.
■本カタログは正しい情報の提供を目的としたものであり、本製品の市場性または適合性の保証を証明するものではありません。
■This catalog is supplied for information purpose only and should not be considered certified marketability and conformability of this product.
201704 MSP
http://www.motoyama-cp.co.jp
本 社 工 場 〒981-3697 宮城県黒川郡大衡村大衡字亀岡5-2 TEL(022)344-4511(代表) / FAX(022)344-4522
E=mail : [email protected]
Main Office & Factory 5-2, Aza Kameoka, Ohira, Ohira-mura, Kurokawa-gun, Miyagi-Pref., 981-3697, Japan
TEL +81-22-344-4511 / FAX +81-22-344-4522
E=mail : [email protected]
●販売・サービスネットワーク
東京支店 〒210-0007 神奈川県川崎市川崎区駅前本町 10-5 クリエ川崎 11F TEL(044) 381-8770 (代表) FAX(044) 381-8772
大阪支店 〒550-0014 大阪市西区北堀江一丁目 12-19 クリモトビル 3F TEL(06) 6535-8111 (代表) FAX(06) 6535-8655
国際営業部 〒210-0007 神奈川県川崎市川崎区駅前本町 10-5 クリエ川崎 11F TEL(044) 381-8771 FAX(044) 381-8773
CSセンター 〒981-3697 宮城県黒川郡大衡村大衡字亀岡5-2 TEL(022) 344-4554 FAX(022) 344-1760
札幌営業所 〒001-0912 札幌市北区新琴似12条七丁目1-47リバティタウンP棟101号
TEL(011) 766-1520 FAX(011) 766-1521
東北営業所 〒981-3697 宮城県黒川郡大衡村大衡字亀岡 5-2 TEL(022) 344-1761 FAX(022) 344-1762
上越営業所
上越サービスセンター 〒942-0036 新潟県上越市大字東中島2393番地 TEL(025)542-5151 FAX(025) 542-5152
関東営業所
千葉サービスセンター 〒290-0046 千葉県市原市岩崎西一丁目5-19 TEL(0436) 21-4400 FAX(0436) 21-3540
静岡営業所 〒422-8033 静岡市駿河区登呂二丁目10-13 ハイツ富士1F TEL(054) 288-2237 FAX(054) 288-2239
名古屋営業所
中部サービスセンター 〒481-0012 愛知県北名古屋市久地野安田36番地 TEL(0568) 26-6681 FAX(0568) 26-6631
阪神サービスセンター 〒560-0894 大阪府豊中市勝部二丁目18-3 TEL(06) 6854-7511 FAX(06) 6854-7512
徳山営業所
周南サービスセンター 〒745-0861 山口県周南市新地一丁目6-11 TEL(0834) 21-5012 FAX(0834) 31-0450
四国営業所
新居浜サービスセンター 〒792-0851 愛媛県新居浜市観音原町1013-1 TEL(0897) 40-0270 FAX(0897) 40-0305
大分営業所
大分サービスセンター 〒870-0108 大分市大字三佐字山ノ神980-1 TEL(097) 527-3704 FAX(097) 522-2352
●海外関連会社
本山阀门(大連)有限公司 〒116601 中国 遼寧省大連市金州新区港興大街 39-14-7 TEL +86-411-6589-1277 FAX +86-411-6589-1278
●海外販売代理店
中国、韓国、台湾、シンガポール、インドネシア、マレーシア、サウジアラビア
●SALES AND SERVICE NETWORKOverseas Marketing & Sales Dept. : 11th Floor, Clie Kawasaki, 10-5, Ekimae-honcho, Kawasaki-ku, Kawasaki City, Kanagawa Pref., 210-0007 JAPAN
TEL: +81-44-381-8771 FAX : +81-44-381-8773 Domestic Sales Branches : Tokyo, Osaka, Sapporo, Tohoku, Joetsu, Kanto, Shizuoka, Nagoya, Hanshin, Tokuyama, Shikoku, Oita
●OVERSEAS AFFILIATED COMPANYMOTOYAMA VALVE (DALIAN) CO., LTDGangxing Street 39-14-7, Jinzhou New District, Dalian City, 116601 China TEL: +86-411-6589-1277 FAX: +86-411-6589-1278
●OVERSEAS NETWORKChina, Korea, Taiwan, Singapore, Indonesia, Malaysia, Saudi Arabia
■本カタログの記載内容は、商品の改良等のため予告なく変更することがありますので予めご了承下さい。
■MOTOYAMA is continuously improving and upgrading its product design, specifications and/or dimensions. Information included herein is
subject to change without notice.
■本カタログは正しい情報の提供を目的としたものであり、本製品の市場性または適合性の保証を証明するものではありません。
■This catalog is supplied for information purpose only and should not be considered certified marketability and conformability of this product.
201801 MSP