Standardandspecification1.Designandmanufacture:API594,API6D,JB/TB8937;
2.Facetofaceandendtoend:API594,API6D,DIN3202,JB/T8937;
3.Pressure-temperaturerating:ASMEB16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
4.Inspectionandtest:API598,JB/T9092;
5.Pipeflange:JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASMEB16.5,DIN2543~2548,GB/T13402,API605,ASMEB16.47.
Structural Feature
1.Shortstructurallength,only1/4~1/8ofthatoftraditionalflangedcheckvalve;
2.Lowvolume,lightweight,only1/4~1/20ofthoseoftraditionalflangedcheckvalve;
3.Quickvalvediscclosedown,lowwaterhammerpressure;
4.Applicableforandeasilyinstalledforverticalorhorizontalpipelines;
5.Smoothflowpassagewayandsmallfluidresistance;
6.Flexibleactionandgoodsealingperformance;
7.Narrowvalvetravelandsmallclosedownimpact;
8.Integratedstructure,simpleandcompact,inbeautifulshape;
9.Longservicelifeandgoodreliability.
SpecificationsApplicableStandardsDesignASMEB16.34,API6DFiresafeAPI607AntistaticAPI608,API6DFacetofaceASMEB16.10,API6DWeldingendsASMEB16.25InspectionandtestAPI598,API6D