Dab tsi yog cov qauv siv feem ntau rau npauj npaim valve?
1.BUTTERFLY VALVE DESIGN Standard
ASME B16.34 (valveflange, xov & vuam txuas) ASME B31.3 (txheej txheem raj)
TS EN 13445 DIN 3840: APl 609 Npauj Npaim Valve: Ob chav flange, Lug & wafer hom
2.FLANGE Standard
ASME B16.5 (steel yeeb nkab flange & flange txuas) ASME B16.47 (dN loj loj steel flange) ISO 7005 EN 1092 DIN 2501
API 605 1.5.2.7 JIS(Japanese industrial standard
3.STRUCTURE LENGTH(L) Standard
API 609
API6A BS 2080 ISO 5752 EN 558-1 DIN 3202
ANSI B16.10 (Rau rooj vag) JIS B2002 NFE29-305
4.ACTUATOR CONNECTION PLATFORM ISO 5211
5.Kev ntsuas kev ntsuas tus qauv ISO 5208
6.AP|598 VALVE TESTING & INSPECTION EN 12266-1
