往复容积泵技术条件

1、Issue 05.2002LS-Class: BMTechnical SpecificationPositive Displacement Pumps - Reciprocating based on API 674 second editionOrig.:Checked:Appr.:Total 9 PagesDescriptors: Rotating Equipment, Displacement Pump, Pump, API 674Replaces Issue 12.98CONTENTSPage TOC o 1-5 h z HYPERLINK l bookmark0 o Current

2、Document 0FOREWORD2 HYPERLINK l bookmark2 o Current Document GENERAL2 HYPERLINK l bookmark4 o Current Document Scope2 HYPERLINK l bookmark6 o Current Document Alternative Designs2 HYPERLINK l bookmark8 o Current Document Conflicting Requirements2 HYPERLINK l bookmark10 o Current Document Definition

3、of Terms2 HYPERLINK l bookmark12 o Current Document Referenced Publications2 HYPERLINK l bookmark14 o Current Document Unit Conversion2 HYPERLINK l bookmark16 o Current Document BASIC DESIGN3 HYPERLINK l bookmark18 o Current Document General3 HYPERLINK l bookmark20 o Current Document Selection of Ty

4、pes3 HYPERLINK l bookmark22 o Current Document Ratings3Cylinder and Pressure-Retaining Parts (Including HYPERLINK l bookmark24 o Current Document Pulsation Suppression Devices)3 HYPERLINK l bookmark26 o Current Document Cylinder Connections3 HYPERLINK l bookmark28 o Current Document Liquid End Appur

5、tenances3 HYPERLINK l bookmark30 o Current Document Power End Running Gear3 HYPERLINK l bookmark32 o Current Document Gas End, Direct-Acting Pump3 HYPERLINK l bookmark34 o Current Document Lubrication4 2.10 Materials HYPERLINK l bookmark38 o Current Document Nameplates and Rotation Arrows4 HYPERLINK

6、 l bookmark40 o Current Document Quality4 HYPERLINK l bookmark42 o Current Document ACCESSORIES52.3/ 巧.6.73 3 3 3 3 3 42.3/ 巧.6.73 3 3 3 3 3 4J 2.3/ J 2.344.4.45555 HYPERLINK l bookmark46 o Current Document Couplings and Guards5 HYPERLINK l bookmark48 o Current Document Mounting Plates5 HYPERLINK l

7、bookmark50 o Current Document Controls and Instrumentation6Piping6 HYPERLINK l bookmark54 o Current Document Pulsation and Vibration Control Requirements7 HYPERLINK l bookmark56 o Current Document Special Tools7INSPECTION, TESTING, AND PREPARATION FORSHIPMENT7General7 HYPERLINK l bookmark62 o Curren

8、t Document Inspection7T ests7 HYPERLINK l bookmark66 o Current Document Preparation for Shipment8 HYPERLINK l bookmark68 o Current Document VENDORS DATA8General8 HYPERLINK l bookmark72 o Current Document Proposals8 HYPERLINK l bookmark74 o Current Document Contract Data9Page 2Issue 05.20020 FOREWORD

9、This specification contains modifications (Mod) and additions (Add) to API Standard 674, second edition,June 1995, which is a part of this specificationParagraph numbers used below are the API 674 paragraph numbers.Paragraphs not mentioned below shall remain as they are described in API 674Paragraph

10、smarkedin API with a bullet shall apply as stated, if not statedotherwise in thisspecification.Paragraph numbersherein which do not appear in API 674 are new paragraphs(Newpara)which areinserted in alphabetical and/or numerical order.Paragraphsor partsof it which are substituted are marked with (Sub

11、st).Paragraphsor partsof it which are deleted (Delete) shall not apply.The statements of this specification are to be observed, if deviations are not explicitly specified in other documents (purchase order, data sheet, job-referred specification, etc).This specification shall be applied with Pumps -

12、 Technical Specification - General”.GENERALScope(Add): This specification covers the minimum requirements for reciprocating positive displacement pumps, their spare parts and accessories (if other special specifications are not valid).Alternative Designs(Add): Alternative designs deviating from this

13、 specification, but suitable for the operating conditions, may be offered in addition. Deviations from this specification shall be specified in the proposal for approval by Purchaser.Conflicting Requirements(Add): The Vendor has to bring discrepancies to Purchasers attention.Definition of Terms(Add)

14、: The term Purchaser as used in this specification shall refer to Linde and/or its authorized representatives.The term Vendor as used in this specification shall refer to manufacturer of the equipment including his subcontractors.Referenced Publications(Mod): Instead of the American standards, codes

15、 and specifications shown in API 674, the equivalent German standards, codes and specifications, respectively standards, codes and specifications applicable for the plant, are valid.Unit ConversionNo modifications.BASIC DESIGNGeneral(Add): See Data Sheet*.(Add): The max. permissible sound power leve

16、l or sound pressure level will be specified on the “Vendor Noise Data Sheef.(Add): The required clearance areas shall be shown definitely in the outline drawings.(Mod): Motors, electrical components and installations shall be suitable for the area classification specified on the Pumps - Technical Sp

17、ecification - General and/or Data Sheet”.(Add): All equipment covered by this specification shall be suitable for operation outdoors, totally unprotected from the weather. Conditions and further informations are noted on the Pumps - Technical Specification - General and/or Data Sheet*.Selection of T

18、ypesNo modifications.Ratings2.3.5 (Add): If necessary, compressibility data w川 be specified on Data Sheet”.Cylinder and Pressure-Retaining Parts (Including Pulsation Suppression Devices)No modifications.Cylinder Connections(Add): Inlet and outlet connections shall be flanged. Inlet and outlet nozzle

19、s shall be designed for the same pressure if not specified otherwise.(Add): Other connections shall be noted for consideration in the proposal.Liquid End Appurtenances(Add): A cooling/heating jacket shall be supplied if necessary for the specified operating conditions. Operating and design co

20、nditions of the cooling water/heating system are specified on Pumps - Technical Specification - General44 and/or Data Sheer.(Add): Stuffing boxes and packing design shall be Vendors standard for the specified services.(Add),. Operating and design conditions for the cooling water/heating system are s

21、pecified on Pumps -Technical Specification - General“ and/or Data Sheet.(Add): See Data Sheet.(Add): Stuffing boxes and packing design shall be Vendors standard for the specific services. Fluidwill be specified on Data Sheet.Power End Running Gear(Add): If not specified otherwise, the provisions spe

22、cified in through shall apply.(Add): A connection for insertion of an oil heater shall be provided if not specified otherwise.(Add): The distance piece shall be equipped with Vendors standard safety guards if not specified otherwise.Gas End, Direct-Acting PumpNo modifications.Page 4I

23、ssue 05.2002Lubrication(Add): If not specified otherwise, Vendors standard system shall be used.(Add): Additionally a switch-over full-flow twin oil filter shall be used if not specified otherwise.(Add): Specified on Data Sheet.(Add): Specified on Data Sheet：(Add): Specified on Data Sheet.(Ad

24、d): If not specified otherwise, Vendors standard system shall be used for the specified services.2.10 Materials (Add): See Pumps - Technical Specification - General and/or Data Sheet. (Add): If there is any presence of H2S in the media it w川 be specified on the Data Sheet..1

25、(Add): M weld repairs of pressure casings have to be approved by the Purchasers material inspection department prior to repair..2 (Mod): Repair by plugging will not be accepted. Defective parts of grey iron or nodular iron shall be replaced by regular parts..1 (Add): Are specified in

26、 the relevant purchasers technical specification..4 (Mod): The proposed connection designs shall submitted to the purchaser for approval before fabrication.2.10.5 (Add): For pumping temperatures below -29 C, carbon steel and alloy steel for pressure casing, plunger, cylinder and valves shall

27、 be impact tested at the lowest operating temperature if not specified otherwise. The operating temperature can decrease down to design temperature. If not specified otherwise, at pumping temperatures below -10O C the AD Instructional Pamphlet W10u shall be used. (Mod): The minimum design me

28、tal temperature used for impact tests shall be the design temperature of the pump, which will be specified on the Data Sheet.Nameplates and Rotation Arrows2.11.3 (Add): At least the following informations are required:Name and address of the manufacturerPump type and sizeItem numberSerial numberRate

29、d capacityRated pressurePump speedPower inputHydrostatic test pressureRated design pressureRated design temperatureAdditionally, the item number and the casing hydrostatic test pressure shall be stamped on the discharge flange.QualityNo modifications.3 ACCESSORIESDrivers(Add): The Purchaser specifie

30、s and furnishes the pump driver. The driver will be shipped directly to Vendors work shop for mounting and alignment of the whole unit by the Vendor.In case the driver is not a standard electrical motor or a turbine, an outline drawing of the driver will be supplied to the Vendor.The Vendor shall pr

31、ovide all informations to enable the Purchaser to order the driver 3 weeks after pump purchase order.(Add): Anticipated process variations that may affect the sizing of the driver will be especially specified on Data Sheet.(Add): The starting conditions and starting method are specified on Pumps - T

32、echnical Specification - General and/or Data Sheer.(Add): See ,Pumps - Technical Specification - General and/or Data Sheet.(Add): Special motor starting-torque requirements will be specified on Pumps - Technical Specification -General11 and/or relevant Motor Data Sheet.(Add): See Pumps - Technical S

33、pecification - General and/or relevant Turbine Data Sheet.(Mod): If not specified otherwise, Vendors standard gears suitable for the specified operating conditions shall be used.(Add): See Data Sheet.(Mod): Cog-belt or chain-type drive shall not be used if not specified otherwise.Couplings and Guard

34、s(Add): Coupling manufacturer and type will be specified on Data Sheet* and/or Tumps - Technical Specification - General,1.(Add): Only if especially specified, couplings and coupling mountings shall comply with API Standard 671.(Add): If not specified otherwise, the coupling w川 be mounted by the Ven

35、dor.(Add): If not specified otherwise, nonsparking guards will be used.Mounting PlatesGeneral(Mod): Preferably a baseplate extending under the pump, gear and driver shall be supplied if not specified otherwise.10 (Mod): Anchor bolts shall be supplied by the Vendor.Baseplate and Skid(Add): Ifnot spec

36、ifiedotherwise, the baseplates shallbe a single fabricated steel unit.(Add): Ifnot specifiedotherwise, the baseplates shallbe provided with levelingpads.(Add): Ifnot specifiedotherwise, the baseplates shallbe designed for grouting.(Add): Ifnot specifiedotherwise, subplates shall be provided by the V

37、endor.(Add): If necessary for operating and maintenance, decking shall be provided.Page 6Issue 05.2002Controls and InstrumentationGeneral Controls and instrumentation shall be in accordance with Purchasers instrument and control specification.Control Systems(Add): See Purchasers instrument an

38、d control specification and/or Data Sheet*.(Mod): A constant-speed governor and governor valve shall be furnished by the Vendor if not specified otherwise.Instrument and Control Panels(Add): See Purchasers instrument and control specification and/or Data Sheet.InstrumentationTachometer(Add): See Pur

39、chasers instrument and control specification and/or Data Sheer.Pressure Gauges(Add): See Purchasers instrument and control specification and/or Data Sheer.Relief Valves(Add): Relief valves for protection of the pump shall be provided by the Vendor if not specified otherwise.(Add): See Data Sheef.Flo

40、w Indicators(Add): See Data Sheef.Alarms and Shutdowns(Add): See Purchasers instrument and control specification and/or Data Sheef.Electrical Systems(Add): See Pumps - Technical Specification - General” and/or Data Sheef.(Add): See Pumps - Technical Specification - General11 and/or Data Sheef.Piping

41、General(Add): Pipe wall thickness shall be suitable for the specified design data or as a minimum in accordance with Schedule 40.Copper tubings and brass fittings are unacceptable.No unon-soldred taper-bush type pipe unions“ shall be used.Process Piping(Add): The limit of supply between Vendor and P

42、urchaser are the inlet/outlet nozzles of the whole equipment (pump with accessories) if not specified otherwise on Data Sheet.(Add):The Vendor shall review all piping, appurtenances and vessels upstream and downstream of the pump. Scope see Data Sheef.Cooling Water Piping (New- para)(Add): The cooli

43、ng water piping on pumps shall be supplied by Vendor, terminating with flanges at the edge of the baseplate on pump side.(Add): Closed sight flow indicators are required for all cooling water systems if not specified otherwise.Pulsation and Vibration Control RequirementsGeneral(Add):The Vendor shall

44、 offer in his proposal suitable pulsation suppression devices. Informations about the preliminary issue of the Purchasers piping system design will be a part of the inquiry.Pulsation Design Approaches(Add): If not specified otherwise, the Vendor has to check the Purchasers final piping system design

45、 concerning detrimental pulsation and vibration.(Add): Normally for control of detrimental pulsation and vibration the Design Approach 3 shall be used. For further consideration the costs for Design Approach 2 shall be quoted in the Vendors proposal.Special ToolsNo modifications.4 INSPECTION, TESTIN

46、G, AND PREPARATION FOR SHIPMENTGeneral(Add): The Vendor shall state the provided scope of inspection and testing in his offer. Based on these informations, eventual additional inspections and tests will be specified.(Add): All inspections and tests shall be carried out by the Vendor. Inspections and

47、 tests carried out by Purchaser will be agreed with the Vendor and noted in the purchase order.(Add): See 4.1.1 with additions.InspectionGeneral(Mod): Data acc. to a) and d) are not required.(Mod): See 4.1.1 with additions.Material inspection(Mod): See 4.1.1 with additions.Mechanical inspection(Add)

48、: The Vendor is responsible for the cleanliness of the equipment and shall make inspections as necessary.(Add): The Vendor shall submit his standard for inspection and testing of the equipment.TestsTesting(Add): The following tests shall be performed on all pumps:Certified material test in accordanc

49、e with Data Sheet”Certified hydrostatic testCertified performance testOther required tests w川 be specified on Data Sheet“ and/or purchase order.(Mod): The Vendor shall notify the Purchaser not less than ten (10) working days prior to the date of all agreed tests and inspections, so that the Purchase

50、r may be present. After receipt of this notification the Purchaser will decide whether to be present.(Mod): See with additions.Page 8Issue 05.20024.3.2Hydrostatic T est(Mod): Minimum test pressure: 1.5 times design pressure.Performance Test, Power Pump (Add): Necessity of reduced spee

51、d or reduced pressure shall be noted for consideration in the proposal.T est T olerances(Add): For power pumps the following tolerances are acceptable:Capacity:Minus zero, plus 2 % at rated pump discharge pressurePower consumption:Plus 3 %NPSHR:Plus zeroNPSH Test(Add): Required NPSH tests are specif

52、ied in the Data Sheet4.Optional Tests (New- para)Material testing and inspections required by the pump Vendor shall be specified for consideration in the proposal. Testing and inspection required by Purchaser for specific items w川 be specified in purchase order or Data Sheet1*. See also para. 2.10.5

53、 of this specification.Material Tests (New- para)For pressure containing parts, plunger and tie-rods the following certified tests in accordance withEN 10204 are required:Special Requirements(specified on Data Sheet EN 10204/3.1 B)Chemical analysis and tensile strength and impact tests verified by i

54、nspection certificates in accordance with EN 10204/3.1 BNormal Requirements(specified on Data Sheet EN 10204/2.2)Chemical analysis and tensile strength verified by test report in accordance with EN 10204/2.2If the temperature at maximum allowable working (rated) pressure is below minus 29 , Special

55、Requirements shall be applied.4.4 Preparation for Shipment(Add): The pumps and all accessories are to be suitably prepared for shipment specified in the purchase order”. Outdoor storage for at least one (1) year must be provided for.(Add): If not specified otherwise, the assembly of the whole unit s

56、hall be done in the Vendors work shop prior to shipment.5 VENDORS DATA5-1 GeneralNo modification.5.2 ProposalsGeneral(Add): The Vendors proposal shall include:All documents, drawings, etc., as shown on Document and Data Requirements* in Column A;Noise - Data Sheet* fully completed;Form Pumps - Price

57、s and Weights“ completed;Special instructions for installation and piping.Drawings(Mod): All documents, drawings, etc. as shown on Document and Data Requirements* in Column A and/or specification for documentation shall be furnished.5.2.5 Options(Add): Material testing and inspections required by th

58、e pump Vendor shall be specified for consideration in the proposal.5.3 Contract DataGeneral(Mod): All documents, drawings, etc. as shown on Document and Data Requirements* in Column B + C and/or specification for documentation shall be furnished.Installation, Operating, Maintenance, and Technical Data Manuals(Add): The installation and operating in