DEMCO闸阀 世界级品牌CAMERON Gate Valve Catalog.pdf

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1、DISTRIBUTEDVALVES®DEMCOGateValves®DEMCODISTRIBUTEDVALVESDISTRIBUTEDVALVESTABLEOFCONTENTSFEATURESANDBENEFITSSeriesDMGateValves2SeriesDM7500GateValves3SeriesDT&DBGateValves4PRODUCTSPECIFICATIONSGeneralTechnicalInformation6DIMENSIONSANDMATERIALSPARTSLISTSeriesDM7500GateV

2、alves7500psiWP8SeriesDMGateValves1000,2000,3000&5000psiWP16SeriesDMGateValvesASMEClass400&60030ASMEClass900&150034SeriesDTGateValvesASMEClass600,900&150038TRADEMARKINFORMATION48®CT-DEM-GATEDEMCO12/07NP-5M1DISTRIBUTEDVALVESSERIESDMGATEVALVESDEMCOSeriesDMGateValves,thep

3、remierdesignedGateValveintheoilandgasdrillingmarket,specificallyengineeredfortherigorousrequirementsofoilfieldapplications.Designedfordependable,heavydutyperformanceinabrasiveserviceconditions,DEMCODMgatevalvesarecommonlyselectedforanumberofoilfieldapplications,includ

4、ing:•Drillingstandpipemanifold•Pumpmanifoldblockvalves•Highpressuremudmixinglines•Highpressuredrillingsystemblockvalves•Wellheads•Welltreatingandfracservice•Productionmanifolds•Productiongatheringsystems•ProductionflowlinesTheDEMCOSeriesDMGateValvesareavailableinASMEC

5、lasses400,600,900and1500.AlsoavailableinAPIworkingpressures2000,3000and5000psig.(NotAPIMonogrammed).FEATURESANDBENEFITSINLINEFIELDREPAIRABILITYThebonnetiseasilyremovedforinternalpartsinspectionand/orAreplacementwithoutremovingthevalvefromtheline.Thisdesignsimplicitype

6、rmitsfastandeasyservicewithouttheneedforspecialtools.FFLEXIBLETRIMOFFERINGSOptionalmaterialsforstems,gates,seatinsertsandseatelastomersmakeiteasiertotrimvalvesforawiderangeofserviceconditions.Threeinternalplasticcoatingsforthebodyandbonnetareofferedtoimproveresistance

7、towearandcorrosion.DOUBLEACTINGTHREADDESIGNFORFASTOPERATIONATheASMEseriesdoubleactingthreaddesignusesathreadedstemEintothegateworkingwiththreadsinthebonnetandhandleassembly.StemsarepolishedandincludeadependableO-ringandanti-DM3in.(80mm)ASME900/1500extrusionseal.Thisun

8、iquedesigniseconomicalandeffective.Note:4inch(100mm)ASMEClass1500valveisadoubleacting,risingstemdesign,similartothe4inch(100