可調(diào)容積的往復(fù)式容積泵技術(shù)條件

1、Issue 05.2002ReplacesTechnical SpecificationPositive Displacement pumps Controlled Volumebased on API 675 second editionOrig.:Checked:Appr.:Total 8 PagesIssue 12.98LS-Class: BMDescriptors: Rotating Equipment, Metering Pump, Pump, API 675CONTENTSPage TOC o 1-5 h z HYPERLINK l bookmark0 o Current Docu

2、ment 0 FOREWORD2 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 of

3、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 Pressure-Containin

4、g Parts3 HYPERLINK l bookmark22 o Current Document Liquid End Connections3 HYPERLINK l bookmark24 o Current Document Pump Check Valves3 HYPERLINK l bookmark26 o Current Document Diaphragms3 HYPERLINK l bookmark28 o Current Document Packed Plungers3 HYPERLINK l bookmark30 o Current Document Relief Va

5、lve Application3 HYPERLINK l bookmark32 o Current Document Gears3 HYPERLINK l bookmark34 o Current Document Enclosure3 HYPERLINK l bookmark36 o Current Document Drive Bearings3 HYPERLINK l bookmark38 o Current Document Lubrication3 HYPERLINK l bookmark40 o Current Document Capacity Adjustment3 HYPER

6、LINK l bookmark42 o Current Document Material4 HYPERLINK l bookmark44 o Current Document Name Plates and Rotation Arrows4 HYPERLINK l bookmark46 o Current Document Quality4 HYPERLINK l bookmark48 o Current Document ACCESSORIES5 HYPERLINK l bookmark50 o Current Document Drivers5 HYPERLINK l bookmark5

7、2 o Current Document Couplings and Guards5 HYPERLINK l bookmark54 o Current Document Baseplates5 HYPERLINK l bookmark56 o Current Document Controls and Instrument5 HYPERLINK l bookmark58 o Current Document Piping6 HYPERLINK l bookmark60 o Current Document Pulsation suppression devices6 HYPERLINK l b

8、ookmark62 o Current Document Special Tools6INSPECTION,TESTING, AND PREPARATION FOR HYPERLINK l bookmark64 o Current Document SHIPMENT6 HYPERLINK l bookmark66 o Current Document General6 HYPERLINK l bookmark68 o Current Document Inspection6 HYPERLINK l bookmark70 o Current Document Tests6 HYPERLINK l

9、 bookmark72 o Current Document Preparation forShipment7 HYPERLINK l bookmark74 o Current Document VENDORS DATA7 HYPERLINK l bookmark76 o Current Document General7 HYPERLINK l bookmark78 o Current Document Proposals7 HYPERLINK l bookmark80 o Current Document Contract Data8Page 2Issue 05.20020 FOREWOR

10、DThis specification contains modifications (Mod) and additions (Add) to API Standard 675, second edition, October 1994, which is a part of this specificationParagraph numbers used below are the API 675 paragraph numbers.Paragraphs not mentioned below shall remain as they are described in API 675Para

11、graphsmarkedin API with a bullet shall apply as stated, if not statedotherwise in thisspecification.Paragraph numbersherein which do not appear in API 675 are new paragraphs (Newpara) whichareinserted in alphabetical and/or numerical order.Paragraphsor partsof it which are substituted are marked wit

12、h (Subst).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 T

13、umps - Technical Specification - General*.GENERAL1-1 Scope(Add): This specification covers the minimum requirements for controlled volume pumps, their spare parts and accessories (if other special specifications are not valid).Alternative Designs(Add): Alternative designs deviating from this specifi

14、cation, 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):7e Vendor has to bring discrepancies to Purchasers attention.Definition of Terms(Add): The term

15、 Purchaser as used in this specification shall refer to Linde and/or its authorized representatives.The term Vendor1 as used in this specification shall refer to manufacturer of the equipment including his subcontractors.Referenced Publications(Mod): Instead of the American standards, codes and spec

16、ifications shown in API 675, the equivalent German standards, codes and specifications, respectively standards, codes and specifications applicable for the plant, are valid.Unit ConversionNo modification.BASIC DESIGNGeneral(Add): See Data Sheet.(Add): The max. permissible sound power level or sound

17、pressure level will be specified on the Vendor Noise Data Sheet,.(Add): The required clearance areas shall be shown definitely in the outline drawings.2.1.7 (Mod): Motors, electrical components and installations shall be suitable for the areaclassification specified on the Pumps - Technical Specific

18、ation - General and/or Data Sheet.(Mod): 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.(Add): A cooling/heati

19、ng jacket shall be supplied if necessary for the specified operating conditions. Operating and design conditions of the cooling water/heating system are specified on Pumps - Technical Specification - General and/or Data Sheef.Pressure-Containing PartsNo modification.Liquid End Connections2.3.1 (Add)

20、: Inlet and outlet connections shall be flanged. Inlet and outlet nozzles shall bedesigned for the same pressure if not specified otherwise.Pump Check Valves(Mod): The valves design shall be Vendors standard for the specified services if not specified otherwise.Diaphragms2.5.5 (Add): If double diaph

21、ragms are specified on the Data Sheefa suitable diaphragm ruptureindication system shall be supplied by the Vendor.Packed Plungers2.6.2 (Add): Stuffing boxes and packing design shall be Vendors standard for the specifiedservices.Relief Valve Application2.7.2 (Add): External relief valves for protect

22、ion of the pump shall be provided by the Vendor if notspecified otherwise.Gears(Mod): Gears for controlled volume pumps shall be Vendors standard gears suitable for the specified services.EnclosureNo modification.Drive BearingsNo modification.LubricationNo modification.Capacity AdjustmentNo modifica

23、tion.Page 4Issue 05.2002MaterialGeneral(Add): Specified on 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 Sheer.Castings(Add): All weld repairs of pressure casings have to be approved by the Purchasers ma

24、terial inspection department prior to repair.(Mod): Repair by plugging w川 not be accepted. Defective parts of grey iron or nodular iron shall be replaced by regular parts.Welding(Add): Are specified in the relevant Purchasers technical spec幣cation.(Mod): The proposed connection designs shall submitt

25、ed to the Purchaser for approval before fabrication.Impact Test Requirements(Mod): For pumping temperatures below -29, carbon steel and alloy steel for pressure casing, plunger, cylinder and valves shall be impact tested at the lowest operating temperature if not specified otherwise. The operating t

26、emperature can decrease down to design temperature. If not specified otherwise, at pumping temperature below -10 the *AD Instruction Pamphlet W10n shall be used.(Mod): The minimum design metal temperature used for impact tests shall be the design temperature of the pump, which will be specified on t

27、he Data Sheer.Name Plates and Rotation Arrows(Add): At least the following informations are required:Name and address of the manufacturerPump type and sizeItem numberSerial numberRated capacityRated pressurePump speedPower inputHydrostatic test pressureRated design pressureRated design temperatureAd

28、ditionally, the item number and the casing hydrostatic test pressure shall be stamped on the discharge flange.QualityNo modification.ACCESSORIESDrivers(Add): The Purchaser specifies and furnishes the pump driver. The driver will be shipped directly to Vendors work shop for mounting and alignment of

29、the whole unit by the Vendor.In case the driver is not a standard electrical motor, an outline drawing of the driver will be supplied to the Vendor.The Vendor shall provide all informations to enable the Purchaser to order the driver 3 weeks after pump purchase order.(Add): Anticipated process varia

30、tions that may affect the sizing of the driver will be especially specified on nData Sheet,.(Add): The starting conditions and starting methode are specified on Pumps - Technical Specification -General4 and/or Data Sheet.(Add): See Pumps - Technical Specification - General and/or Data Sheet.(Add): S

31、pecial motor starting-torque requirements w川 be specified on Pumps - Technical Specification - General14 and/or relevant Motor Data Sheef.Couplings and GuardsNo modification.Baseplates(Add): Preferably a baseplate extending under the pump and driver shall be supplied if not specified otherwise.(Add)

32、: See Pumps - Technical Specification - General4 and/or Data Sheet.(Mod.): Anchor bolts shall be furnished by the Vendor.Controls and InstrumentGeneral(Mod): Controls and instrumentation shall be in accordance with Purchasers instrument and control specification.Control systems(Add): See Purchasers

33、instrument and control specification and/or Data Sheet.Instrument and controlpanels(Add): See Purchasers instrument and control specification and/or Data Sheer.Instrumentation(Add): See Purchasers instrument and control specification and/or Data Sheet.Relief valves(Mod): See Data Sheet.Electrical sy

34、stems(Add): See Pumps - Technical Specification - General1 and/or Data Sheet.(Add): See Pumps - Technical Specification - General.Page 6Issue 05.2002PipingGeneral(Add): Pipe wall thickness shall be suitable for the specified design data or as a minimum in accordance with Schedule 40.Copper tubings a

35、nd brass fittings are unacceptable.No Mnon-soldered taper-bush type pipe unionsn shall be used.Process piping(Add): The limit of supply between Vendor and Purchaser are the inlet/outlet nozzles of the whole equipment (pump with accessories) if not specified otherwise on Data Sheet.(Add): The Vendor

36、shall review all piping, appurtenances and vessels upstream and downstream of the pump. Scope see Data Sheet.Pulsation suppression devices(Add): The Vendor shall offer in his proposal suitable pulsation suppression devices.(Add): The Vendor has to check the pipe arrangement drawings of Purchaser and

37、 advise thePurchaser if pulsation dampers are required or other provisions have to be taken.Special ToolsNo modifications.INSPECTION, TESTING, AND PREPARATION FOR SHIPMENTGeneral(Add): The Vendor shall state the provided scope of inspection and testing in his offer. Based on these informations, even

38、tual additional inspections and tests will be specified.(Add): All inspections and tests shall be carried out by the Vendor. Inspections and 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.

39、 to a) and d) are not required.(Mod): See 4.1.1 with additions.Material inspection(Add): See 4.1.1 with additions.Mechanical inspection(Add): The Vendor is responsible for the cleanliness of the equipment and shall make inspections as necessary.(Add): The Vendor shall submit his standard for inspect

40、ion and testing of the equipment.TestsGeneral(Add): The following tests shall be performed on all pumps:Certified material test in accordance with Data Sheet”Certified hydrostatic testCertified performance testOther required tests will be specified on Data Sheet and/or purchase order.(Mod): The Vend

41、or shall notify the Purchaser not less than ten (10) working days prior to the date of all agreed tests and inspections, so that the Purchaser may be present. After receipt of this notification the Purchaser w川 decide whether to be present.Hydrostatic Test(Mod): Minimum testpressure:1.5 timesdesignp

42、ressure.Performance Test(Add): Flow repeatability and linearity testsarerequired. Operating conditions specified in DataSheetu are minimum required conditions. The following tolerances are acceptable:Capacity:Minus zero, plus 4 % at rated pump discharge pressurePower consumption:Plus 4 %Optional Tes

43、ts (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 will be specified in purchase order or Data Sheet.Material Tests (New - para)For pressure containing parts

44、, plunger and tie-rods the following certified tests in accordance with EN 10204 are required:Special Requirements (specified on Data Sheet EN 10204/3.1 B)Chemical analysis and tensile strength and impact tests verified by inspection certificates in accordance with EN 10204/3.1 BNormal Requirements(

45、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 Requirements shall be applied.Preparation for Shipment(Add): The pumps and a

46、ll 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.VENDORS DATAGeneralNo modification.ProposalsGeneral(Add): The Vendors proposal shall include:All documents, drawings, etc., as shown on Document an

47、d Data Requirements in Column A;Noise Data Sheer fully completed;Form Pumps - Prices 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

48、 be furnished.Options(Add): Material testing and inspections required by the pump Vendor shall be specified for consideration in the proposal.Page 8Issue 05.20025-3 Contract DataGeneral(Mod): All documents, drawings, etc. as shown on Document and Data Requirements in Column B + C and/or specificatio

49、n for documentation shall be furnished.Installation, Operating, Maintenance, and Technical Data Manuals(Add): The installation and operating instructions shall be delivered in such form that they can be easily put into a four-pin documentation folder.The instructions shall include:The pump specific part consisting of:Data sheetPerformance test curveArrangement drawing of complete unit (pump, driver, gear, auxiliaries, baseplate,