Bh Bt Valves

Cast Steel High Pressure Valves

BH SeriesBT Series

Cast

Ste

el

Hig

h Pre

ssur

e Va

lves

Cast Steel High Pressure Valves - BH Series

Gate Valve - BH5 SeriesHow to OrderModel Numbers

Cast

Ste

el

Hig

h Pre

ssur

e Va

lves

(B

H S

erie

s)

Gate Valve - BH5 Series

These valves, by virtue of the venturi-type flow path, offer the combined advantages of maximum flow efficiency and ease of operation. These are meant for high pressure-high temperature applications and are available in Carbon steel and Alloy steel materials. While the stems of carbon steel valves are of 13% chromium stainless steel, those of alloy steel valves are made from 16% chromium special stainless steel, for high temperature and anti-corrosion properties. The wedges are of two piece construction held together by a pin, offering flexibility. This combined with the mirror finish lapping ensures perfect sealing and compensates for wear in the long run. These valves are provided with pressure seal (self-seal) bonnet to provide better third port seal. Thrust ball bearings enable the valve to be operated with minimum effort.


Contd...

Click here to magnify

These Valves find their application in high pressure and high temperature lines where the end connections are to be made by butt-welding. It is recommended for on/off services ; and the media to be handled are water, oil, gas, steam or other non-corrosive ones.

Gate Valve BH5 Series - Application


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Contd...

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Rising Stem Easily visible open-close indication.

Yoke Bush Furnished in aluminium bronze

material. Large sizes are provided with yoke bush along

with ball bearings.

Eye BoltsFacilitate easier maintenance and

packing replacement.

Stuffing BoxDeep stuffing box provides

maximum packing for stem seal.Seat Rings

Seal welded heavy duty controlled seat width to provide maximum

sealing force.

BodyHeavy duty body with sufficient

wall thickness for maximum service life. Provided with

bosses for optional bypasses or drains.

HandwheelLarge hand wheels for easy operation. Also available with gearing and motor actuators for more difficult services.

Grease NippleYoke Bush equipped with fittings to minimise wear and operating torque.

Self Seal Bonnet

Sealing RingGrafoil ring provides leak tight joint in bonnet.

StemPrecision ground stem enables smooth operation and ensures leak tightness in gland.

WedgeHeavy-pattern fully guided wedge precision fitted to body seats for maximum shut off. Flexible design.

ANSI Class1500 Gate Valve

Gate Valve BH5 Series - Dimensions

DIMENSIONS (mm)

*Dimensions as per ANSI B16.10

Size L* V Z D H Wt.(Kg)

65 254.0 714 79 400 1050 111

100 406.4 732 90 400 1140 141

150 558.8 920 134 500 1450 344

200 711.2 1044 156 560 1650 505

250 863.6 1153 184 560 1850 769


H -

DIS

MAN

TLIN

G C

LEAR

ANC

E

L

VZ

D


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Contd...

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Rising Stem Easily visible open-close indication.

Yoke Bush Furnished in aluminium bronze

material. Large sizes are provided with yoke bush along

with ball bearings.

Eye BoltsFacilitate easier maintenance and

packing replacement.

Stuffing BoxDeep stuffing box provides

maximum packing for stem seal.Seat Rings

Seal welded heavy duty controlled seat width to provide maximum

sealing force.

BodyHeavy duty body with sufficient

wall thickness for maximum service life. Provided with

bosses for optional bypasses or drains.

HandwheelLarge hand wheels for easy operation. Also available with gearing and motor actuators for more difficult services.

Grease NippleYoke Bush equipped with fittings to minimise wear and operating torque.

Self Seal Bonnet

Sealing RingGrafoil ring provides leak tight joint in bonnet.

StemPrecision ground stem enables smooth operation and ensures leak tightness in gland.

WedgeHeavy-pattern fully guided wedge precision fitted to body seats for maximum shut off. Flexible design.

Model No.BH515A0Item No. Part Name A216 - WCB A217 - WC6 A217 - WC9 01 Body A216 - WCB A217- WC6 A217 - WC9 02 Seat Ring CS+Stellite AS+Stellite AS+Stellite 03 Wedge CS+Stellite AS+Stellite AS+Stellite 04 Stem A182 F6a CL3 Ohtaron Ohtaron 05 Bonnet CS A182F22 A182F22 06 Yoke A216 - WCB A216 - WCB A216 - WCB 07 Gasket Grafoil Grafoil Grafoil 08 Packing Grafoil Grafoil Grafoil 09 Stud A 193 B7 A 193 B16 A 193 B16 10 Nut A 194 2H A 194 GR4 A 194 GR4 11 Handwheel CS CS CS

Gate Valve BH5 Series - Materials


D

VZ

H-D

ISM

AN

TLIN

G C

LEA

RA

NC

E

L

11

06

04

08

09

10

05

07

01

03

02

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Contd...

Technical Description of Standard Valves

Optional Featuresz Bypass Valvesz Chain wheel drivez Motor actuatorz Locking arrangementz Extension spindlez Stellited seatsz Limit switchz Gear operation


z Construction : Pressure Seal Bonnet Outside Screw & Yoke

z Ends : Butt Welding Ends to Order

How to order

A. Type of Valve 2. Gear1. Gate 3 Motor ActuatorB. Type of Connection 4. Chain Wheel1. Butt welded / Pipe size & 5. Spindle extension unit

Thickness E. SizeC. Operating Conditions F. Body material1. Working Pressure H. Trim material2. Temperature I. Other detailsD. Mode of Operation1. Handwheel

When specifying or ordering BHEL Valves, please provide a complete description that willenable us to provide you with prompt and efficient service.


NOTEz Model numbers along with speciality codes are designed to cover essential features. When ordering, please refer model

numbers with speciality codes to preclude misunderstanding of your requirements. However, a detailed description for SPECIALS must always accompany order.

z The materials and dimensions specified are indicative and are subject to change without prior intimation in view of the constant design improvements being incorporated.

MODEL NUMBERS

BH X XX X X

Design Variant

A - ANSI

Type5 - Gate

SPECIALITY CODE

XX X X X

Size06 - 65mm10 - 100mm15 - 150mm20 - 200mm25 - 250mm

OperationH - HandwheelM - MotorG - Gear

EndB - Butt Welded

MaterialB - WCB

Rating15 - 1500 Class (ANSI)


Cast Steel High Pressure Valves - BT Series

BHEL High Pressure Wedge Gate Valves Technical FeaturesDimensionsElbow-Down ValvesBHEL High Pressure Globe Valves - BT6 Series

Cast

Ste

elH

igh

Pre

ssur

e Va

lves

(

BT

Ser

ies)

?

BHEL High Pressure Swing Check Valves - BT7 Series

High Pressure Globe Valves - BT6 Series

High Pressure Wedge Gate Valves


Click here to view details

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Contd...


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Side view of Position Indicator

Mechanical Stopper (to prevent over tightening)

Handwheel

Yoke

Bearing (easy operation)

Gland Flange

Gland Packing

Stem Hard Cr-plating for high temperature application

Side View of Stem Disc Connection

Body

Weld on Seat Ring (stellite hard facing) Disc (stellite

hard facing)

Integral Back Seat (stellite hard facing)

Pressure Seal bonnet

Retaining ring (Ni-plating)

Detail of Pressure Seal Construction

Yoke Clamp (easy maintenance)

Grease Nipple

Yoke SleeveCap

High Pressure Wedge Gate Valves - Technical Features


Contd...

Body Design

Seat Diameter

Edge Preparation

Pressure Seal

BHEL standard valve body is designed in accordance with ASME B 16.34.

BHEL standard inside diameter is decided based on ASME B 16.34 or connecting pipe size.

BHEL standard edge preparation is in accordance with ASME B 16.25. Any other preparations, however, are also available to order.

Sealing surface on both body and bonnet is overlaid with austenitic stainless steel for freedom from rust.Differential angle at face between seal ring and bonnet is maintained for good sealing tightness. Hardness of seal ring is HB 90 (Max.).



Contd...

Flexible Wedge Disc

Stem

Gland Packing

Flexible wedge (Single Piece) is standard disc type for easy and good seat tightness. Flexible wedge (two piece) : optional for sizes 6 and above.

Martensitic stainless steel with hard Chrome plating is used for carbon steel valves.Special alloy named OHTARON with hard Chrome plating is used for alloy steel valves.

Asbestos with monel wire is the standard gland packing material.Graphite packing is available in case asbestos packing is not preferred.For easy control of tightening torque at gland packing, eyebolt is used.



Mechanical StopperTo prevent over-tightening by handwheel, mechanical stopper is provided. It is adjusted before shipping from our shop.

z Bypass valvesz Pressure relief valvesz Actuator operationz Extension spindlez Limit Switchz Locking arrangementz Drain connectionz Gear Operation

Optional Features

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Contd...

82

5

67

31

4

High Pressure Wedge Gate Valves - Materials


12345

67

8

BodyBonnetDiscSeat RingStem

Gland PackingPressure SealRingHandwheel

ASTM A216-WCB/WCCASTM A105ASTM A216-WCBASTM A10513% Cr Stainless Steel

Asbestos/Graphite Soft Iron(HB 90)Cast Carbon Steel

ASTM A217 - WC6ASTM A182-F22ASTM A217 - WC9ASTM A182-F2216 Cr-Ni-Mo Steel(OHTARON)Asbestos/Graphite Soft Iron(HB 90)Cast Carbon Steel

ASTM A217 - WC9ASTM A182-F22ASTM A217 - WC9ASTM A182-F2216 Cr-Ni-Mo Steel(OHTARON)Asbestos/Graphite Soft Iron(HB 90)Cast Carbon Steel

No. PART NAME WCB/WCC WC6 WC9

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Contd...

dd

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

High Pressure Wedge Gate Valves - Dimensions


NOTE Y dimension shows minimum space for removal.

Size :

NOTEY dimension shows minimum space for removal.

Size : >6

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox



d L B H D2 A Y APPROXWt.(Kg)SizeInch

14**18**

260340

11181400

270366

20405120

** Gear Operation and/or motor operation only is recommended

ANSI Class 2000Model No. BT515N1 BT520N1

DIMENSIONS (mm)

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Contd...

Model No. SIZE 6 BT525N0BT528N0BT530N0BT535N0



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Model No. SIZE >6 BT525N1BT528N1BT530N1

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox



Gear operation or motor operation is recommended


d d

LB

Appr

oxH

App

rox

Y M

inD2

A Ap

prox

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

d L B H D2 A Y APPROXWt.(Kg)Size

(Inch)

50607580

105140165208250335340

330368457533610762914

1041111812451397

8496

110125140180215260305323361

95140200230360790

11201660256033404750

730830900990

112014351570

500600600600700800800

590675730800905

11551255

300350800850800700650

DIMENSIONS (mm)

1/22345

6*8*

10*12*14*16*18*

ANSI Class 2500



(Inch)75

105140250335

457610762

11181400

110140180305379

200400840

29005900

90011201435

600700800

730905

1155

800800700

46*8*

14*20*

DIMENSIONS (mm)

Gear operation or motor operation is recommended

ANSI Class 2750

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Contd...




(Inch)6*

14*90

210

6061116

162308

4503350

DIMENSIONS (mm)

* Gear operation or motor operation is recommended

ANSI Class 3000

d L B H D2 A Y APPROXWt.(Kg)SizeInch

3 50 370 500114 705865 800 175

DIMENSIONS (mm)


d d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

ANSI Class 3500


Model No. SIZE 6 BT525N0BT528N0BT530N0BT535N0



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Model No. SIZE >6 BT525N1BT528N1BT530N1

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

d

d

L

BAp

prox

H A

ppro

xY

MinD2

A Ap

prox

High Pressure Globe Valves - BT6 Series

Cast Steel High Pressure Valves - BT SeriesCast Steel High Pressure Valves - BT Series

Click here to view details

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Contd...

Impact Handwheel

Yoke Sleeve

Gland Flange

Gland Packing

Yoke Stopper

Yoke (Ni-plating for thread portion)

Stem (Hard cr-plating)

Pressure Seal Bonnet

Body

Stellite Hardface Seat

Disc (Stellite hard facing)

Disc Nut

Integral Back Seat (Stellite hard facing)

Detail of pressure seal construction


Deluxe Needle Arrangements

Regulating Disc Arrangement (Needle Valves)

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High Pressure Globe Valves BT6 series - Technical Features


Contd...

Body Design

Edge Preparation

Pressure Seal

Integral Seat


Edge preparation is in accordance with ASME B 16.25. Other preparations, however, are also available to order.

Sealing surface on both body and bonnet is overlaid by austenitic stainless steel for protection from rust.

Differential angle at face between seal ring and bonnet is maintained for good sealing tightness. Hardness of seal ring is HB 90 (Max.).

Integral seat hardened with stellite.

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High Pressure Globe Valves BT6 series - Technical Features


Contd...

Seat Angle

Swivel Disc

Needle Valve

Conical seat is applied for high pressure rating valves to keep good tightness between disc and seat.

Different seating angle (1 degree) between disc and seat is maintained for good tightness.

Swivel type disc is applied for stop valves to achieve good adjustment between disc and seat.

Needle valves are selected based on pressure drop and flow parameters. While ordering for needle valves please ensure that details under point no. 15 of How to Order are given.

High Pressure Globe Valves BT6 Series - Technical Features


Contd...

Disc Nut

Disc Washer

Stem

To prevent vibration of the disc by side force of flow, disc nut is provided on the inside surface of the body.

To prevent seizure between stem and disc at fully closed position, hard material is inserted into the bottom of the disc.

A Special alloy named OHTARON with hard Chrome plating is used for high temperature service.

High Pressure Globe Valves BT6 Series - Technical Features


Gland Packing

Handwheel

OPTIONAL FEATURES

Asbestos with monel wire is the standard gland packing material.Graphite packing is also available in case asbestos packing is not preferred.For easy control of tightening torque at gland packing, eyebolt is used.

Impact handwheel is provided with high pressure rating valves.

z Actuator operationz Extension spindlez Limit Switchz Locking arrangementz Gear Operation

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Contd...

85

6

3

4

1

7

2

High Pressure Globe Valves BT6 Series - Materials


12345

67

8

BodyBonnetDiscSeatStem

Gland PackingPressure SealRingHandwheel

ASTM A216-WCB/WCCASTM A105ASTM A182-F22Stellited16 Cr-Ni-Mo Steel(OHTARON)Asbestos/Graphite Soft Iron (HB 90)

Cast Carbon Steel

ASTM A217 - WC6ASTM A182-F22ASTM A182-F22Stellited16 Cr-Ni-Mo Steel(OHTARON)Asbestos/Graphite Soft Iron (HB 90)

Cast Carbon Steel

ASTM A217 - WC9ASTM A182-F22ASTM A182-F22Stellited16 Cr-Ni-Mo Steel(OHTARON)Asbestos/Graphite Soft Iron (HB 90)

Cast Carbon Steel


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Contd...

ANSI Class 1500, 2500, 2750, 3000, 3500

Model No. SIZE 4 BT615N0BT625N0BT635N0

Model No. SIZE >4 BT615N1BT625N1BT628N1BT630N1

d d

L

B

Appr

ox

H A

ppro

x (w

hen

open

)Y

MinD2

A Ap

prox

(whe

n op

en)

d d

L

BAp

prox

Y M

in

High Pressure Globe Valves BT6 Series - Dimensions


Back to page

D2

A Ap

prox

(whe

n op

en)

H A

ppro

x (w

hen

open

)

CLASS : ANSI 1500, 2500, 2750, 3000, 3500




d d

L

BAp

prox

H A

ppro

x (w

hen o

pen)

Y M

inD2

A Ap

prox

(whe

n ope

n)

d d

L

BAp

prox

H A

ppro

xY

Min

A Ap

prox

D2

d H D2 L A B YAPPROXWt.(Kg)

Size(Inch)

60

70

90

110

555

590

700

-

360

360

450

-

340

390

480

580

50

75

110

190

535

565

675

-

89

88

111

134

300

300

500

-

+2 1/2

+3

+4

5$ #

DIMENSIONS (mm)

ANSI Class 1500

d H D2 L A B YAPPROXWt.(Kg)

Size(Inch)

60

70

75

110

275

620

680

730

1100

-

ANSI Class 2500

360

400

450

650

-

420

470

570

760

1500

595

650

700

980

-

90

104

109

160

413

300

300

500

600

-

90

100

165

400

4400

+21/2

+3

+4

6*$ #

16

NOTEY dimension shows minimum space for removal.* Gear operation or motor operation is recommended

+ Needle Valves are also available in these sizes# Only Needle Valves are available in these sizes

$ Gear operation and / or motor operation only is recommended

DIMENSIONS (mm)

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Contd...



d H D2 L A BAPPROXWt.(Kg)

Size(Inch)

4250

665800

360400

ANSI Class 3500

420470

635750

308308

+21/2$3

110206

d H D2 L A B Y APPROXWt.(Kg)Size

(Inch)+6# 100 - -- 170760 - 500

ANSI Class 3000d H D2 L A B Y APPROXWt.(Kg)

Size(Inch)

6* 110 1100 980650 160760 600 440

ANSI Class 2750

NOTEY dimension shows minimum space for removal.* Gear operation or motor operation is recommended# Gear operation and / or motor operation only is recommended.+ Needle Valves are also available in these sizes.++ Only Needle Valves are available in these sizes.$ Deluxe Needle Valves & Needle Valves only are available in this size.

DIMENSIONS (mm) DIMENSIONS (mm)

DIMENSIONS (mm)


d d

L

BAp

prox

H A

ppro

x (w

hen

open

)Y

MinD2

A Ap

prox

(whe

n op

en)

d d

L

BAp

prox

H A

ppro

xY

Min

A Ap

prox

D2

ANSI Class 1500, 2500, 2750, 3000, 3500

Model No. SIZE 4 BT615N0BT625N0BT635N0

Model No. SIZE >4 BT615N1BT625N1BT628N1BT630N1

d d

L

B

Appr

ox

H A

ppro

x (w

hen

open

)Y

MinD2

A Ap

prox

(whe

n op

en)

d d

L

BAp

prox

Y M

in



Back to page

D2

A Ap

prox

(whe

n op

en)

H A

ppro

x (w

hen

open

)

Elbow-Down Valves


ANSI Class 2000Model No.BT920N0Size : 12

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Contd...

Elbow-Down Valves - Dimensions

H AP

PROX

.

MIN.

Y

+100

0

A AP

PRO

X.

250

250400

d2

185

45

265

(LIFT

)17

5

L

145

240

B

d1

STELLITE

D2


ANSI Class 2000Model No.BT920N0Size : 12

d2 H D2 L A B YAPPROXWt.(Kg)

SizeInch

265 2415 1100 740 2050 37012 3200

d1

295 1300

DIMENSIONS (mm)

High Pressure Swing Check Valves - BT7 Series


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Contd...

High Pressure Swing Check Valves - BT7 Series

Lifting Lug

Retaining Ring (Ni-plating)

Pressure Seal Bonnet

AA

Cushion Plate

Disc (Stellite hard facing)

Weld on Seat ring (Stellite hard facing)

Body

Nut (Welded to disc)

Arm

Detail of pressure seal construction

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Contd...

B3 Cast Steel High Pressure Valves - BT Series

High Pressure Swing Check Valves - BT7 series

Cross Section A-APlug (Seal welded to body)

Bushing

SpindleDetails of pressure seal construction

Design:ASME B 16.34Testing: ASME B 16.34

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Contd...

High Pressure Swing Check Valves BT7 Series - Technical Features


Contd...

Body Design

Seat Diameter

Edge Preparation

Pressure Seal


BHEL standard inside diameter is decided based on ASME B 16.34 or connecting pipe size.

Edge preparation is in accordance with ASME B 16.25.

Sealing surface on both body and bonnet is overlaid with austenitic stainless steel for freedom from rust.Differential angle at face between seal ring and bonnet is maintained for good sealing tightness. Hardness of seal ring is HB 90(Max.).

High Pressure Swing Check Valves BT7 Series - Technical Features


Contd...

Opening Angle

Pressure seal for spindle

Arm-disc Connection

Spindle

Opening angle of 45-50 degrees is provided for quick closing due to reverse flow and for a lower pressure drop when fully opened.

Sealing mechanism through spindle is of the same construction as the one of pressure seal bonnet.

To ensure secure connection between arm and disc nut, welding to disc instead of split pin is used.

A special material named OHTARON with hard Chrome plating is used in all valves.

High Pressure Swing Check Valves - BT7 Series - Technical Features


Cushion plate

Stopper pin

Bushing

OPTIONAL FEATURE

To achieve a shock absorbing effect and to reduce fluttering action, cushion plate is provided.

To prevent the disc from revolving, stopper pin is inserted between disc and arm.

Special material named SUPER NICKERON is used to prevent wearing and /or seizure.

Drain connection

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Contd...

12345

6

BodyBonnetDiscSeat RingSpindle

Pressure Seal Ring

ASTM A216 - WCB/WCCASTM A105ASTM A182-F22ASTM A182-F2213 Cr Stainless Steel

Soft Iron (HB 90)

ASTM A217 - WC6ASTM A182-F22ASTM A182-F22ASTM A182-F2216 Cr-Ni-Mo Steel(OHTARON)

Soft Iron (HB 90)

ASTM A217 - WC9ASTM A182-F22ASTM A182-F22ASTM A182-F2216 Cr-Ni-Mo Steel(OHTARON)

Soft Iron (HB 90)


5

3

4

6

2

1

High Pressure Swing Check Valves BT7 Series - Materials


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Contd...

ANSI Class1500Model No.BT715N0Size : 21/2" - 5"

d1/d2 H L A B X Y APPROXWt.(Kg)Size

(Inch)

60/6070/7085/90

105/110

215250260310

DIMENSIONS (mm)

105115125140

7689

102116

130140160180

550550650650

354070

105

254305406483

21/2345

NOTE X and Y dimensions show minimum space for removal

High Pressure Swing Check Valves BT7 Series - Dimensions


d2d1

L

H A

ppro

x'Y

' Min

B Ap

prox

'X' M

inA

?

Contd...

ANSI Class 2500, 2750Model No.BT725N0, BT728N0Size : 21/2" - 6" (2500)

6" (2750)

d1/d2 H L A B YX APPROXWt.(Kg)SizeInch

50/5060/6070/7580/80

105/105

215250280295315

DIMENSIONS (mm)

115125140160170

9098

113122125

550550650650

1400

140150170190200

5070

110150160

330368457533610

21/23456


NOTE X and Y dimensions show minimum space for removal


d2d1

L

H A

ppro

x'Y

' Min

B Ap

prox

'X' M

inA

?

Contd...

ANSI Class 1500Model No.BT715N1Size : 6" - 14"

d1/d2 H L A B X YAPPROXWt.(Kg)

Size(Inch)

130/130165/165205/210245/245280/280

355415490540610

DIMENSIONS (mm)

180200230270320

143170210245260

14001500160017001700

130150200240260

160270515680980

559711864991

1067

68

101214

NOTEX and Y dimensions show minimum space for removal


Cast Steel High Pressure Valves - BT Seriesd2d

1

L

H A

ppro

x'Y

' Min

B A

ppro

x

'X' M

inA

?

Contd...

ANSI Class 2500Model No.BT725N1Size : 8" - 18"

DIMENSIONS (mm)

d1/d2 H L A B X Y APPROXWt.(Kg)SizeInch

140/140165/165210/210250/250270/270300/300

435480570710790925

225250353355400460

170198245315352360

200200330370400500

150016001700170017501850

350605950

150018403125

762914

1041111812451397

81012141618NOTE

X and Y dimensions show minimum space for removal


Cast Steel High Pressure Valves - BT Seriesd2d

1

L

H A

ppro

x'Y

' Min

B A

ppro

x

'X' M

inA

?

Contd...

When ordering, enable us to supply valves fully meeting your technical requirements by giving us the following information.


Contd...

1. Design Pressure & Temperature :

2. Working Pressure & Temperature :

3. Fluid to be Handled: Water Steam Air Oil Other ( )

4. Valve Type : Gate Globe Needle

Swing check Stop Check Others ( )

5. Valve Nominal Size :

6. Connecting Pipe Dimension (ID X OD)

7. End Connection : Butt Welding Flanged Others ( )

8. Body Material :

9. Applicable Code : ANSI ASME API DIN Others ( )

10. Operating : Hand Gear Electric Motor Others ( )

11. Preventive Measures Against Fluid Thermal Expansion No

Yes Balance Hole ( Inlet Outlet) Balance Valve ( Inlet Outlet )

12. By-Pass Valve : No Yes

13. Witness Inspection : No Yes (Scope : )

14. Parameters required for Motor Operated Valve :

z Operating Differential Pressure for Actuator sizing :z Voltage : ..................................... V (Variation %z Frequency : ................................ Hz (Variation %)z Insulation Class : E B H F

15. Parameters required for Needle Valve sizing :

z Inlet Pressure (P1) Kg/Cm2 z Inlet Temperature : Cz Outlet Pressure (P2) : Kg/Cm2 z Flow Quantity through Valve : Kg/Hr

16. Other Optional features if any :

Extension Spindle Limit Switch Locking arrangements


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Contd...

NOTEz Model numbers along with speciality codes are designed to cover essential features. When ordering, please refer model

numbers with speciality codes to preclude misunderstanding of your requirements. Also, a detailed description for SPECIALS must always accompany order.

z The materials and dimensions specified are indicative and are subject to change without prior intimation in view of the constant design improvements being incorporated.

MODEL NUMBERS BT X XX X X

Rating15 - 1500 C20 - 2000 C25 - 2500 C28 - 2750 C30 - 3000 C35 - 3500 C

Design Variant

N - ANSI VALVE

Type5 - Gate6 - Globe7 - SCNRV8 - Regulating9 - Elbow Down

SPECIALITY CODE XX X X X

Size02 - 21/203 - 304 - 405 - 506 - 608 - 810 - 1012 - 1214 - 1416 - 1618 - 1820 - 2024 - 24

OperationH - HandwheelM - MotorG - Gear

EndB - Butt Welded

MaterialB - WCBC - WCC6 - WC69 - WC9


Documents

Bh Bt Valves