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8/18/2019 G-02 NOC
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GENERAL ENGINEERING SPECIFICATION
ASME CENTRIFUGAL PUMPS
GES G.02
Page 2 of 21
Rev 0 1999
INDEX
SEC TITLE PAGE
1.0 SCOPE OF SPECIFICATION 4
1.1 Introduction 4
1.2 Other NOC Specifications 4
1.3 Data Sheets 5
2.0 DEFINITIONS 5
2.1 Technical 5
2.2 Contractual 5
3.0 DESIGN 6
3.1 Codes and Standards 6
3.2 Additions and Exceptions to
ASME B73.IM Horizontal Pumps 6
3.3 Additions and Exceptions to
ASME B73.2M Vertical Pumps 10
4.0 MATERIALS 14
4.1 ASME Requirements 14
4.2 H2S Corrosion 14
4.3 Miscellaneous 144.4 Mechanical Seals 15
5.0 INSPECTION 15
5.1 Procedures 15
5.2 Scope 16
5.3 Nameplates 16
6.0 TESTING 16
6.1 Required Tests 16
6.2 Test Requirements 17
6.3 Test Certificates 18
7.0 DOCUMENTATION 18
7.1 Introduction 18
7.2 Schedules and Reports 18
7.3 Data and Drawings 18
7.4 Manuals 19
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ASME CENTRIFUGAL PUMPS
GES G.02
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SEC TITLE PAGE
8.0 PRIOR TO SHIPMENT 19
8.1 Painting and Coatings 19
8.2 Spares 20
8.3 Packing and Storage 20
8.4 Shipping 20
8.5 Warranty 20
DATA SHEETS
ASME Form A1 Centrifugal Pump Data Sheet (1 sheet)
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1.0 SCOPE OF SPECIFICATION
1.1 Introduction
1.1.1 This specification gives the minimum requirements for the design, material selection, inspection, testing,
documentation and preparation for shipment of single horizontal end suction and vertical in-line centrifugal
pumps.
1.1.2 This specification applies mainly to pumps in non-flammable, non-toxic and auxiliary services e.g. Glycol,
Water etc., but in special circumstances the specification may be applied to onshore oil production and
petroleum product service, with the prior approval of the Owner.
1.1.3 Pumps for oil production and petroleum product services are covered by GES G.01, Centrifugal Pumps
(API 610), 8th Edition.
1.1.4 The Vendor/Contractor shall comply fully with the provisions laid down in the specification. Any
exception must be authorised in writing by the Owner.
1.1.5 In the event of any conflict between this specification and the Data Sheets, or with any of the applicable
Codes and Standards, the Vendor/Contractor shall inform the Owner in writing and receive written
clarification before proceeding with the work.
1.1.5 This General Engineering Specification will form part of the Purchase Order/Contract.
1.2 Other NOC Specifications
The following NOC Specifications are an integral part of this specification and any exceptions shall be
approved in advance by the Owner.
GES A.04 Noise Level Criteria and Noise Control of Mechanical Equipment
GES A.06 Site Data
GES G.01 Centrifugal Pumps (API 610)
GES K.10 General Purpose Steam Turbines (API 611)
GES L.11 Induction Motors (Low Voltage)
GES N.01 Thermal Insulation for Hot Service
GES S.06 Skid Assemblies
GES X.01 Surface Preparation and Painting Application
GES X.02 Colour Coding of Equipment and Piping Systems
GES X.03 External Protective Coatings
The Vendor/Contractor shall also ensure all Sub-Contractors comply with the relevant sections for the
above specifications.
1.3 Data Sheets
The technical data supplied by the Owner for the equipment is given on the ASME B73.1M and 2M Data
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GES G.02
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Rev 0 1999
Sheet which is included at the end of this specification. The Vendor/Contractor shall complete the Data
Sheet with the remaining information and return it with his bid.
Prior to shipment, the Vendor/Contractor shall submit a completed "As Built" Data Sheet.
2.0 DEFINITIONS
2.1 Technical
The technical terms used in this specification are as defined below:
NPSH Net positive suction head is the total suction head in feet of liquid absolute (at the pump
centreline or impeller eye) less the absolute vapour pressure in feet of the liquid being
pumped at the pumping temperature.
NPSHA NPSH available at the pump.
NPSHR NPSH required by the pump to prevent cavitation. Cavitation shall be deemed to have
taken place when the rated head has been reduced by 3% when the pump is operated at
rated flow.
Suction Specific Speed(S) S= rpm x _ gpm (NPSHR)0.75
2.2 Contractual
The commercial terms used in this specification are defined as follows:
Owner
The oil and gas company, an associate or subsidiary, who is the end user of the equipment and facilities.
Vendor
The company supplying the equipment and material.
Contractor
The main contractor for a defined piece of work
Sub-Contractor
A company awarded a contract by a contractor to do part of the work awarded to the Contractor.
Inspection Authority
The organisation representing the Owner or Contractor that verifies that the equipment and facilities have
been designed, constructed, inspected and tested in accordance with the requirements of this specification
and the Purchase Order/Contract.
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Inspector
A qualified individual representing the Owner, Vendor/Contractor or the assigned Inspection Authority,
who verifies that the equipment and facilities have been designed, constructed, inspected and tested in
accordance with the requirements of this specification and the Purchase Order/Contract.
3.0 DESIGN
3.1 Codes and Standards
3.1.1 Horizontal pumps shall conform to ASME B73.IM "Specification for Horizontal End Suction Centrifugal
Pumps for Chemical Process", as amended by this specification.
3.1.2 Vertical pumps shall conform to ASME B73.2M "Specification for Vertical In-Line Centrifugal Pumps for
Chemical Process", as amended by this specification.
Only where called for in this specification, both horizontal and vertical pumps shall comply with therequirements of API 610 "Centrifugal Pumps for Petroleum, Heavy Duty Chemical and Gas Industry
Services".
3.2 Additions and Exceptions to ASME B73.IM - Horizontal Pumps
Where paragraphs have been amended/deleted or new requirements added, these are identified.
ASME 4.1 Pressure and Temperature Limits
4.1.1 Add:
"The maximum discharge pressure shall apply to all parts of the pressure casing".
4.1.4 "Pumps with variable speed drivers shall be capable of operating continuously up to at
least 105% of rated speed, and shall be capable of operating briefly under emergency
conditions up to the trip speed".
ASME 4.2 Flanges
4.2.1 Add:
When cast iron pumps are specified, they shall have flat face flanges, all steel pumps
shall have raised face flanges.
ASME 4.3 Casing
4.3.1 Add:
"Drain connections shall be supplied at the lowest point of the pump casing".
4.3.5 Jackets shall not be used on the casing, nor the stuffing box.
4.3.7 Add new paragraph:
"A vent connection shall be supplied for the pump if the casing is not self-venting".
4.3.8 Add:
"For flammable or toxic liquids, connections shall be socket welded and terminate in a
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valve, and be gussetted."
ASME 4.4 Impeller
4.4.1 Add:
"Closed Impellers are preferred".
4.4.3 Delete the paragraph and replace by:
"All impellers shall be dynamically balanced to ISO Grade G.25 of ANSI S2.19".
4.4.5 Add new paragraph:
Pumps with constant speed drivers shall have impeller sizes not exceeding 90% of the
maximum impeller size that can be installed in the pump casing. The head/capacity curve
shall rise continuously to shut off.
Pumps with constant speed drivers shall be capable of at least a 5% head increase at rated
conditions by replacement of the impeller with one of increased diameter".
4.4.6 Add new paragraph:
"The NPSH requirement shall be based on water. NPSH correction factors for
hydrocarbon shall not be applied. At rated flow, NPSHR shall be at least 3.3 ft (1.0 m)
less than NPSHA or less than 0.66 x NPSHA whichever is the lower value. The
Vendor/Contractor shall also state in his proposal the NPSHR at 125% of rated capacity".
4.4.7 Add new paragraph:
"Pumps that have stable head/capacity curves that continuously rise to shut-off are
preferred for all applications, and are required when parallel operation is specified. The
head rise shall preferably be 10-20% of the head at rated capacity".
ASME 4.5 Shaft
4.5.1 Add:
"All pumps shall be provided with a shaft sleeve sealed and locked to the shaft. The shaft
sleeve shall be resistant to wear, corrosion and erosion. The shaft sleeve shall be of the
replaceable type".
ASME 4.6 Shaft-sealing
4.6.1 Add:
"All pumps on process duty shall have mechanical seals. Welded metal bellows seals are
preferred.
All seals shall be single, balanced, hydraulic design, interior type.
Seals shall be identified by the classification in Appendix `D' of API 610, Eighth Edition.
The Vendor/Contractor shall provide seal piping and accessories as defined in Figures A2
and A3 of ASME B73.IM - 1991. Where the Owner has not specified the seal and piping plan on the Data Sheet, the Vendor/Contractor shall propose an arrangement suitable for
the duty for approval by the Owner.
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Seals shall be provided with a floating, carbon bushing, auxiliary sealing device".
4.6.2 In hot service (>212°F (100°C)) the seal fluid temperature shall not exceed 122°F (50°C);
the cooler shall be sized accordingly.
ASME 4.7 Bearings
4.7.1 Add:
"For pumps handling flammable or toxic liquids, the brackets between the pump casing
and the bearing housings shall be of steel".
4.7.5 Delete the first sentence, and replace by:
"Pump bearings and bearing housings shall be designed for oil lubrication".
ASME 4.8 Materials of Construction
4.8.1 Add:
"For flammable or toxic service, pump casings shall be in steel material".
ASME 4.12 Miscellaneous Design Features
4.12.1 Add:
"Coupling guards shall be easily removable and non-sparking".
4.12.7 "Baseplate and Rigidity"
Add the following paragraphs:
4.12.7.1 "All pumps shall be provided with a drip rim type baseplate. A tapped drain opening shall be
provided of not less than NPT 1 at the pump end of the baseplate.
Fabricated baseplates are preferred. The baseplate shall extend under the pump and
driver. Two screwed earthing bosses shall be welded to the baseplate, at diametrically
opposite corners.
4.12.7.2 Mounting pads shall be provided for the pump and driver. The pads shall be larger than the foot
of the mounted equipment to allow levelling of the baseplate without removal of the
equipment.
The pads shall be fully machined flat and parallel. Corresponding surfaces shall be in the
same plane within 0.002 inch per foot (0.17 mm per metre) of distance between the pads.
These requirements shall be met by suporting and clamping the baseplate at the
foundation bolt holes only.
4.12.7.3 All pads for drive train components shall be machined to allow for the installation of shims at least
_ ins (3 mm) thick under each component. A set of stainless steel shims at least _ ins (3
mm) thick shall be furnished".
Add new paragraph:
4.12.8 "Couplings
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Spacer type couplings shall be provided. The minimum service factor shall be 1.5, based
on the driver nameplate rating.
Couplings operating at or above 3500 rpm with shaft diameter over 2½ ins (65 mm) shall
be dynamically balanced and match marked".
Add new paragraph:
4.12.9 "Electric Motor Driver Power Selection
Electric motors shall comply with GES L.11.
Motors shall be sized with a nominal nameplate rating of at least the following minimum
percentage margin over the pump rated horse power:-
Table 1 - Motor Power Selection
Pump BHP Range % Margin Pump BHP Range % Margin
1-4 HP 30 51-75HP 15
5-25 HP 25 > 75 10
26-50 HP 20 -- --
Pump motors shall preferably be of sufficient size to operate the pump without overload
at the end of curve condition".
Add new paragraph:
4.12.10 "Piping
4.12.10.1 Steel pump casing connections and piping for vent and drain shall be welded and flanged,
and shall have the same rating as the pump discharge flange.
For cast iron pumps where use of a studded boss or flange is impractical, threaded
connections will be considered. Piping and fittings shall be socket or butt welded: seal
welded threaded joints are not acceptable. For non toxic non flammable service, socket
weld "unions" may be provided to allow disassembly and maintenance.
4.12.10.2 All piping, except cooling water piping, shall be Schedule 80 seamless pipe for sizes 1½
and smaller and Schedule 40 minimum for NPS 2 and over. Seal flush piping shall be
NPS ½ minimum Schedule 40S stainless steel pipe, socket welded.
4.12.10.3 Cooling water piping shall be NPS ¾ minimum, Schedule 80 seamless pipe or ½ ins
(12.7 mm) minimum stainless steel tubing, 0.035 ins (0.95 mm) minimum wall thickness.
4.12.10.4 Swage nipples or reducing couplings shall be used for pipe size changes. Bushings and
street elbows are not acceptable.
4.12.10.5 Casing drain and vent connections shall be valved as close as possible to the pump. The
piping shall extend to the edge of the baseplate.
4.12.10.6 There shall be sufficient space between the pump casing and baseplate to allow
installation and removal of the elbow and valve on the drain connection".
4.13 Add new paragraph:
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GES G.02
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"Suction Specific Speed
Pumps shall have suction specific speeds (S) less than 11,000, in imperial units, (USgpm
and ft head) at the best efficiency point of the maximum impeller diameter."
ASME 5.1 General Information Application
5.1.3 Add:
GES A.04 shall apply. The sound pressure level measured at three feet (one meter) from
the surface of the pump and driver package shall not exceed 85 dB(A). The
Vendor/Contractor shall submit individual noise data for the pump and driver and the
combined noise spectrum for the pump and driver.
3.3 Additions and Exceptions to ASME B73.2M - Vertical Pumps
Where paragraphs have been amended/deleted, or new requirements added, these are identified from the
1991 Edition.
ASME 4.1 Pressure and Temperature Limits
4.1.1 Add:
"The maximum discharge pressure shall apply to all parts of the pressure casing".
4.1.4 "Pumps with variable speed drivers shall be capable of operating continuously up to at
least 105% of rated speed, and shall be capable of operating briefly, under emergency
conditions, up to trip speed".
ASME 4.2 Flanges
Add:
"When cast iron pumps are specified they shall have flat face flanges, all steel pumps
shall have raised face flanges".
ASME 4.3 Casing
4.3.1 Add:
"Drain connections shall be supplied at the lowest point of the pump casing".
4.3.5 Jackets shall not be used on the casing nor the stuffing box.
4.3.7 Add new paragraphs:
"A vent connection shall be supplied for the pump if the casing is not self-venting.
Where seal piping does not provide for natural seal face wetting during start-up, the
Vendor/Contractor shall provide seal vent piping and a valve".
4.3.8 "For flammable or toxic liquids, connections shall be socket welded, terminating in a
valve, and be gusseted".
ASME 4.4 Impeller
4.4.1 Add:
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"Closed impellers are preferred".
4.4.3 Delete the paragraph and replace by:
"All impellers shall be dynamically balanced to ISO Grade G.25 of ANSI/ASME S2.19".
4.4.5 Add new paragraph:
"Pumps with constant speed drivers shall have impeller sizes not exceeding 90% of the
maximum impeller size that can be installed in the pump casing. The head/capacity curve
shall rise continuously to shut off".
4.4.6 Add new paragraph:
"The NPSH requirement shall be based on water. NPSH correction factors for
hydrocarbon shall not be applied. At rated flow, NPSHR shall be at least 3.3 ft (1.0m)
less than NPSHA, or less than 0.66 x NPSHA whichever is the lower value. The
Vendor/Contractor shall also state in his proposal the NPSHR at 125% of rated capacity".
4.4.7 Add new paragraph:
"Pumps that have stable head/capacity curves that continuously rise to shut-off are
preferred for all applications and are required when parallel operation is specified. The
head rise shall preferably be 10-20% of the head at rated capacity".
ASME 4.5 Shaft
4.5.1 Add:
"All pumps shall be provided with a shaft sleeve sealed and locked to the shaft. The shaftsleeve shall be resistant to wear, corrosion and erosion. The shaft sleeve shall be of the
replaceable type".
ASME 4.6 Shaft-sealing
4.6.1 Add:
"All pumps shall have mechanical seals. Welded metal bellow seals are preferred.
All seals shall be single, balanced hydraulic design, interior type.
Seals shall be identified by the classification in Appendix `D' of API 610, Eighth Edition.
The Vendor/Contractor shall provide seal piping and accessories as defined in Figures A2
and A3 of ASME B73.2M - 1991. Where the Owner has not specified the seal and
piping plan on the data sheet, the Vendor/Contractor shall propose an arrangement
suitable for the duty for approval by the Owner.
Seals shall be provided with a floating, carbon bushing, auxiliary sealing device".
ASME 4.7 Driver and Coupling Design
4.7.4 Motor Horsepower Selection
Delete the first sentence and replace by:
"All electric drive motors shall comply with GES L.11.
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Motors shall be sized with a nominal nameplate rating of at least the following minimum
percentage margin over the pump rated horsepower:-
Table 2 - Motor Power Selection
Pump BHP Range % Margin Pump BHP Range % Margin
1-4 HP 30 51-75HP 15
5-25 HP 25 > 75 10
26-50 HP 20 -- --
Pump motors shall be of sufficient size to operate the pump without overload, at the end
of curve condition."
4.7.6 Bearing - VB Pumps
Add new paragraph (d)
"Pump bearings shall preferably be designed for grease lubrication".
ASME 4.8 Materials of Construction
4.8.1 Add:
"For flammable or toxic service pump casings shall be in steel material".
ASME 4.12 Miscellaneous Design Features
4.12.1 Add:
"Coupling guards shall be easily removable and non-sparking".
Add new paragraph:
4.12.8 "Piping
4.12.8.1 Steel pump casing connections and piping for vent and drain shall be welded and flanged and have
the same rating as the pump discharge flange. For cast iron pumps where use of astudded boss or flange is impractical threaded connections will be considered. Piping and
fittings shall be socket or butt welded: seal welded threaded joints are not acceptable.
For non toxic non flammable service, socket weld "unions" may be provided to allow
disassembly and maintenance. Small bore auxiliary connections on seals may also be
screwed where space/access prohibit the use of flanges.
4.12.8.2 All piping, except cooling water piping, shall be Schedule 80 seamless pipe for sizes 1½ ins (38
mm) and smaller and Schedule 40 minimum for sizes 2 ins (50.8 mm) and over. Seal
flush piping shall be ½ ins minimum (12.7 mm) Schedule 40S stainless steel pipe, socket
welded.
4.12.8.3 Cooling water piping shall be ¾ in (19 mm) minimum, Schedule 80 seamless pipe or ½ ins (12.7mm) minimum stainless steel tubing, 0.035 ins (0.95 mm) minimum wall thickness.
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4.12.8.4 Swage nipples shall be used for pipe size changes. Bushings and street elbows are not acceptable.
4.12.8.5 Casing drain and vent connections shall be valved as close as possible to the pump".
Add new paragraph:
4.12.9 "Pedestals
The Owner shall specify if support pedestals are to be provided".
Add new paragraph:
4.12.10 "Couplings
The minimum coupling service factor shall be 1.5 based on the driver nameplate rating.
Couplings operating at or above 3500 rpm with shaft diameter over 2 ins (50 mm) shall
be dynamically balanced and match marked".
Add new paragraph:
ASME 4.13 "Suction Specific Speed
Pumps shall have suction specific speeds (S) less than 11,000, in imperial units, (USgpm
and ft head) at the best efficiency point of the maximum impeller diameter."
ASME 5.1 General Information Application
5.1.3 Add:
"GES A.04 shall apply. The sound pressure level measured at three feet (one meter) from
the surface of the pump and driver package shall not exceed 85 dB(A). The
Vendor/Contractor shall submit individual noise data for the pump and driver and the
combined noise spectrum for the package".
4.0 MATERIALS
4.1 ASME Requirements
4.1.1 Where materials are not specified, the Vendor/Contractor shall propose the most suitable materials for the
duty from paragraph 4.8 of ASME B73.1M - 1991 and ASME B73.2M - 1991, for the approval of the
Owner.
Similarly, in the absence of a detailed seal specification, the Vendor/Contractor shall also propose the most
appropriate mechanical seal type and materials using the API 610 designation, for the approval of the
Owner.
4.1.2 Materials, casting factors and the quality of any welding shall be equal to those required by Section VIII,
Division 1 of the ASME Code. The manufacturer's data report forms, as specified in the code, are not
required.
4.2 H2S Corrosion
4.2.1 Any corrosive agents present in the process fluids and in the environment, including constituents that may
cause stress corrosion cracking, will be specified by the Owner.
4.2.2 All materials subject to pressure and exposure to a medium (whether gas or liquid) containing H2S shall
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comply with the yield strength and hardness restrictions stipulated in NACE MR-01-75 (94).
When approved, wear surfaces may be hardened by the application of a suitable coating.
4.3 Miscellaneous
4.3.1 The use of chaplets in pressure castings shall be held to a minimum. The chaplets shall be clean and
corrosion free (plating permitted) and of a composition compatible with the casing.
4.3.2 Where mating parts such as studs and nuts of AISI Standard Type 300 stainless steel, or materials with
similar galling tendencies are used, they shall be lubricated with a suitable anti-seizure compound.
4.3.3 If austenitic stainless steel parts exposed to conditions that promote inter-granular corrosion are to be
fabricated, hard-faced, overlaid or repaired by welding, they shall be made of low carbon or stabilized
grades.
4.3.4 Minor parts that are not identified (such as nuts, springs, washers, gaskets and keys) shall have corrosion
resistance at least equal to that of specified parts in the same environment. Seal / O-ring material betweenthe shaft and the shaft sleeve shall be verified by the Vendor/Contractor as being satisfactory for the service
conditions.
Welding of piping, pressure-containing parts, and wetted parts, as well as any weld repairs to such parts,
shall be performed by personnel and procedures qualified in accordance with Section VIII, Division 1 and
Section IX of the ASME Code.
4.3.5 Impact testing is required for critical exposure temperatures below -20°F (-29°C).
4.3.6 PWHT is required for all carbon and ferritic alloy steel pressure containing components that are welded
and/or weld repaired, when the weldment is exposed to a process environment containing wet H2S. The
PWHT procedure outlined in the ASME Code, Section VIII, paragraphs UW-40, UW-49, UHA-32 andUCS-56 shall be followed, except that notes in Tables UHA-32 and USC-56 do not apply. All welds,
regardless of type or size, that are exposed to wet H2S shall be PWHT at a minimum temperature of 1100°F
(595°C). External attachments on P-1 Group 1 and 2 materials do not require PWHT.
4.3.7 Connections welded to pressure casings shall be installed as specified below.
Auxiliary piping welded to alloy steel casings shall be of a material with the same nominal properties as the
casing material or low-carbon austenitic stainless steel. Other materials compatible with the casing material
and intended service may be used with the Owner's approval.
Radiographic NDE of welds is preferred but where this is not possible, due to nozzle orientation, magnetic
particle or liquid penetrant inspection of welds will be required.
Repair welding shall not be carried out without the Owner's approval including approval of the weld
procedures to be used.
4.3.8 Asbestos shall not be used in any form which can result in free asbestos becoming a health hazard. The
Vendor/Contractor shall declare all asbestos use and submit alternative material for review by the Owner.
4.4 Mechanical Seals
Springs shall be Alloy 20 or 316 stainless steel. Other metal parts shall be 316 stainless steel or another
corrosion-resistant material suitable for the service, except that metal bellows shall be of the seal
manufacturer's recommended material for the service. Metal bellows shall have a corrosion rate of less
than 2 mils (51 micrometres) per year.
Mechanical seal gasket materials shall comply with the table below:
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Table 3 - Temperature Limits on Mechanical Seal Gaskets
Gasket Material
Ambient or Pumping Temperature F (
C)
Minimum Maximum
TFE -20 (-29) +350 (+177)
Nitrile (Buna-N) -20 (-29) + 210 (+99)
Neoprene 0 (-18) +200 (+93)
Fluoroelastomer 0 (-18) +350 (+177)
FFMK Elastomer + 10 (-12) +350 (+177)
Graphite Foil -20 (-29) +350 (+177)
5.0 INSPECTION
5.1 Procedures
5.1.1 The inspection requirements are covered by the document "General Conditions of Purchase" which forms
part of the Purchase Order/Contract. Additional requirements are given below.
5.1.2 All items of plant and equipment referenced within this specification shall be subject to inspection by the
Owner or the Inspection Authority.
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5.1.3 Inspection shall be in accordance with 4.1 and 4.2 of API 610 Eighth Edition as amended by this
specification. All inspection activities to be performed, including any special requirements, shall be agreed
with the Owner and shall be incorporated within the agreed Quality Control Plan provided by the
Vendor/Contractor. The Vendor/Contractor shall submit procedures for all applicable NDT techniques for
approval by the Owner before production commences.
5.1.4 All operators of NDT equipment shall have thorough knowledge of the operation of the equipment to be
used and shall hold an appropriate certificate of competence, which is to be agreed by the Owner.
5.1.5 The Vendor/Contractor is to furnish the Owner's Inspector with all reasonable facilities, to satisfy himself
that the equipment is fabricated and tested in accordance with the relevant code and this specification.
5.1.6 Any approvals given by the Owner's Inspector and/or the Inspection Authority do not relieve the
Vendor/Contractor of any responsibility regarding guarantees, workmanship or compliance with the code
and this specification.
5.2 Scope
Inspection and testing shall comply with paragraphs 4.1 and 4.2 of API 610, as amended below:
API 4.1 General
4.1.4* The Owner reserves the right to observe any inspection carried out by the Vendor/Contractor, as
agreed at an inspection coordination meeting to be held within four (4) weeks of order placement.
4.1.6* Appendix "N" (Inspector's checklist) is not applicable.
API 4.2 Inspection
4.2.1.3 Delete and replace with:
"The Vendor/Contractor's Quality Control Plan shall be submitted with his proposal and shall
specify the parts to be examined and the type of examination the Vendor/Contractor intends to
carry out. The proposed quality plan is subject to the approval of the Owner."
4.2.3.1* A cleanliness inspection is not required.
4.2.3.2* Hardness verification is only required if hydrogen sulphide is present (paragraph 2.11.1.11 of API
610).
5.3 Nameplates
Nameplates shall be provided complying with paragraph 3.6 of API 674.
6.0 TESTING
6.1 Required Tests
The following tests may be required and witnessed by the Owner:
- hydrostatic (mandatory)
- mechanical run (mandatory)
- performance (if specified)
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- NPSHR (if specified)
- Auxiliary equipment (if specified)
- Vibration (if specified)
The Owner may waive the execution and/or witnessing of the tests if the pumps involved are of small
power requirements or where NPSHA significantly exceeds NPSHR. Specific requirements will be given
on the Data Sheet by the Owner.
6.2 Test Requirements
6.2.1 Test requirements as indicated on the Data Sheet shall be carried out in accordance with paragraphs (a) to
(f) below:
(a) Hydrostatic Test
A hydrostatic test complying with paragraph 5.2.1 of ASME B73.1M - 1991/ASME B73.2M - 1991 asamended below, shall be carried out on pressure containing components of all pumps except:
5.2.1 - Delete "10 minutes" and replace with "30 minutes".
(b) Mechanical Run
The mechanical run shall be at rated head and speed for a minimum period of one (1) hour.
(c) Performance Test
Paragraph 5.2.2 of ASME B73.1M - 1991/ASME B73.2M - 1991 shall apply. Performance curves
shall comply with paragraph 5.2.3 of ASME B73.1M - 1991 and ASME B73.2M - 1991, and shall beincluded in the data book.
(d) NPSHR Test
NPSHR tests, when required, shall comply with paragraph 4.3.4.1 of API 610 8th edition. Testing shall
be carried out with contract mechanical seals installed.
(e) Auxiliary Equipment Tests
When required auxiliary equipment such as oil systems, gears and control systems shall be tested in the
Vendor's/Contractor's shop. Details of the auxiliary-equipment test shall be developed jointly by the
Owner and the Vendor/Contractor.
(f) Vibration Test
Vibration readings, when required, shall be taken on the bearing housings. Unless otherwise agreed,
the acceptance limits shall be as stated in API 610 paragraphs 2.8.3.7 to 2.8.3.9.
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6.2.2 For all specified tests above the Vendor/Contractor shall submit test procedures in writing to the Owner for
approval prior to the start of the testing programme. The test procedures shall be detailed and include the
acceptance criterion (for each test) which shall be internationally accepted.
6.2.3 No preservative or paint shall be applied to welds, mechanical joints or pressure containing components
prior to any hydrostatic test.
6.2.4 All test gauges shall have been calibrated within 12 months and the calibration certificates made available
to the Inspector.
6.3 Test Certificates
Test certificates shall be provided as follows:-
(a) The manufacturer's physical and chemical certification for pressure containing parts
(b) NDT certification (radiographic, magparticle, ultrasonic, dye penetrant)
(c) Hydrotest certificates
(d) Shop mechanical run/performance/NPSH test data
7.0 DOCUMENTATION
7.1 Introduction
7.1.1 This section covers the documentation requirements for design, materials, inspection, testing, installation
and operation of the pump(s).
7.2 Schedules and Reports
7.2.1 The Vendor/Contractor shall supply with his proposal, a schedule showing submission of all documents for
review and approval, proposed Sub-Contractors and material procurement and a production/fabrication
programme.
7.2.2 The Vendor/Contractor shall submit with his proposal a Quality Control Plan for the contract.
7.2.3 After the contract award, monthly reports on design, material procurement and production progress shall be
submitted to the Owner.
7.2.4 A co-ordination meeting shall be held within six (6) weeks of the placement of the Purchase
Order/Contract, to review all engineering and manufacturing requirements of the order.
7.3 Data and Drawings
7.3.1 The documents detailed below shall be submitted for approval/review to the Owner and to the Inspection
Authority within the periods agreed between the Owner and Vendor/Contractor. It shall be the
responsibility of the Vendor/Contractor to ensure that the production schedule takes into account
documentation submission periods, plus a three (3) week approval review period by the Owner and/or the
Inspection Authority. The Vendor/Contractor shall be responsible for obtaining approvals from the
Inspection Authority.
7.3.2 All calculations shall be carried out in a clear and logical manner. The source of formulae or methods shall be clearly referenced. Computer calculations will only be accepted if all input is shown, together with
calculated values of intermediate terms and factors and the computer program has been validated to the
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satisfaction of the Owner.
7.3.3 The Vendor/Contractor shall submit as a minimum, the data and drawings listed below:
For Proposals (Typical Data)
(a) Performance curves
(b) Outline drawing with max forces on nozzles
(c) Data sheet completed
(d) Seal description and piping arrangement
(e) Cross section drawings
For Contract (Certified Data)
All document items listed in Appendix "A" of ASME B73.1M and B73.2M 1991 with the addition of the
following:
(a) General arrangement of motor with cable box details
(b) Coupling drawing
(c) Appendix "A" Parts list paragraph A3.3(b) refer to paragraph 8.2 of this specification for operating
spares period.
7.4 Manuals
Requirements for data books and Installation Operation and Maintenance Manuals are as follows:
7.4.1 Data Books
Two (2) copies of the data book shall be provided containing the shop manufacturing Record/Test
Certificates.
7.4.2 Installation, Operating and Maintenance Manuals
Six (6) copies of Installation, Operating and Maintenance Manuals shall be provided containing the
information defined in Appendix "A" of ASME B73.1M and B73.2M 1991 and the data and drawings
referred to in section 7.3.3 of this specification.
8.0 PRIOR TO SHIPMENT
8.1 Painting and Coatings
Surface preparation and painting shall be in accordance with GES X.01, GES X.02 and GES X.03. The
Vendor/Contractor may offer their own paint system, suitable for the duty, as an option.
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8.2 Spares
The Vendor/Contractor shall submit with his initial equipment proposal, a priced list of recommended spare
parts for "Start-up" and for "Two Years Operation".
8.3 Packing and Storage
This section describes the minimum requirement for the preservation and protection of reciprocating pumps
during the sea and land transportation and storage, prior to installation.
Additions and Exceptions to API 610
The preparation for shipment shall comply with API 610 Section 4.4 as amended below:
4.4.1* Delete this paragraph and replace with:
The equipment shall be prepared for export shipment by sea. Shipment as non-containerised
deck cargo is not permissible.
The probable storage period will be specified in the order/enquiry and will extend from the
time of despatch to the time of unpacking at site. If the storage period is not stated, a
minimum period of twenty-four (24) months shall be assumed.
4.4.3.2 Delete the first sentence and add:
The Vendor/Contractor shall request and obtain the Owner's authorisation if he recommends
disassembly of any pump for shipment.
4.4.3.3 Delete this paragraph and replace by:
Painting shall comply with GES X.01, GES X.02 and GES X.03, unless manufacturer's
standard paint system has been approved by the Owner.
4.4.3.13 Add the following paragraph:
Mechanical seals, carbon rings and other sealing devices shall be installed for shipment. If
shaft packing is required, two sets of packing in unused condition shall be supplied, one set
installed and one set boxed and shipped attached to the equipment.
8.4 Shipping
Detailed shipping arrangements are covered by the Purchase Order/Contract.
The equipment shall not leave the Vendor's/Contractor's works for shipment until the release has been
approved by the Owner's Inspector.
8.5 Warranty
The Contractor shall provide manufacturer's written guarantees of the pumps performance. Curves of head
versus flow with efficiency and power lines shall be provided to cover the operating range.
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The Vendor/Contractor shall warrant all materials and services supplied against any defect for a minimum
of twelve (12) months after commissioning or twenty-four (24) months from the date of delivery to site,
whichever is the shorter period, or for the period stipulated in the Order.
Should any item be found defective, the Vendor/Contractor shall be responsible for all costs associated
with restoring the equipment to the standard specified by the Purchase Order/Contract.
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CLIENT
PLANT SHEET 1 of 1
SERVICE ITEM No. No. of UNITS
ASME B73.1M-1991 ASME B73.2M-1991
1 Vendor /Contractor
2 Pump Size and Model BRG. Frame Service
4
5 Liquid/Slurry Performance Curve No.
6 PT.°F Norm Max. US GPM at Norm Rated RPM NPSH (Water)
7 SP.GR. At Norm PT Total Head, FT Rated Eff. % BHP Rated
8 VAP, Press. At Norm PT. PSIA Suct. Press. PSIG Max. Rated Max. BHP Rated Impeller
9 Vis. At Norm PT SSU NPSHA, FT Max. Head Rated
10 Corr./Eros. Caused By PH HYD. HP Max. Disch. Press. PSIG
11 Driver HP to be Selected for Max. S.G. & Max. Viscosity Min. Continuous GPM
12
13 CONSTRUCTION ASME B73.1M ASME B73.2M OTHER
14 Pump Type: Horiz. Vert.In-Line Coupled Motor Shaft Nonwit. Perf. Wit. Perf.
15 Cradled Mnt. Nonwit. Hydro. Wit. Hydro.16 Case Horizontal Mount: Foot Centerline Nonwit.NPSH Wit. NPSH
17 Verticle Mount: Motor Shaft Rigid Coupling Other Nonwit. Vibration Wit. Vibr.
18 Split: Radial Axial Type Volute: Single Double Dismantle & Inspect after Test
19 Press: Max.Allow. PSIG °F Hydro Test PSIG Other
20 Connect: Drain Gage Suction Gage Discharge
21 Impeller Dia. Rated Max. Impeller Type
22 Bearings Type: Radial Thrust
23 Lube: Oil Oil Mist Grease Grease for Life Casing
24 Coupling: MFR Model Guard Oiler Impeller
25 Driver Half MTD. By: Pump MFR. Driver MFR. Purchaser Wear Rings
26 Stuffing Box Cover: Standard Jacketed Seal Only Shaft/Sleeve
27 Packing: MFR. & Type Size/No. of Rings Gland
28 Lantern Rings: Yes No Gaskets
29 Mech. Seal: MFR. & Type Material Code Baseplate
30 Balanced Unbalanced Single Inside Outside Coupling Guard
31 Double Back to Back Tandem Face to Face Other:
32 Cartridge
33
34 Stuf. Box Plan No. C.W. Piping Plan No. INSPECTION Not Required
35 Total Cooling Water Req'd. GPM Sight F.I. Req'd. In Process Final
36 Packing Cooling Injection Req'd. Total GPM PSIG Days Notification Required
37 External Seal Flush Fluid GPM PISG
38 Seal Quench Plan Seal Quench Fluid
39 DRIVER: Motor Turbine Other Provided By
40 HP RPM Frame Volts/Phase/Hertz
41 MFR. Bearings Service Factor
42 Type Insulation AMPS: FL LR
43 Lube Temp. Rise °F Encl.
44 Inlet Press. Exhaust Press. Steam Temp. Water Rate
45 Other
46 Customer/User
47 Location
48 Customer P.O. No.
49 Item No(s) Equip. No(s)
50 Factory Order No(s) Pump Serial No(s)
Revision No./Date
Prepared by/Date
Authorised by/DatePurpose
(C) 1999 NATIONAL OIL CORPORATION. The information on this sheet may be used only for the purpose for which it is supplied by NOC.
3 No. Pumps Req'd No. Motors Req'd Item No.
AUXILIARY PIPING (See Figs. A2 and A3 For Code)
DATA SHEET No.
P.O. / CONTRACT No.
CENTRIFUGAL PUMP DATA SHEET FORM A1
OPERATING CONDITIONS - EACH PUMP PERFORMANCE
No. Turbines Req'd Item No.
ADDITIONAL REQUIREMENTS/COMMENTS
PUMP MATERIAL
SOUND SPECIFICATION REQUIREMENTS
SHOP TESTS