1. Lub koom haum International rau Standardization kev faib cov chav kawm valve sealing
ISO 5208 International Organization for Standardization standard ISO 5208 "kev lag luam li qub hlau valve siab test".
2. American Petroleum Institute (APl) ntawm kev faib tawm valve sealing class American Petroleum Institute standard API 598 - 2004 "Valve Inspection and Testing".
3. American Valve thiab Yeeb Nkab Fitting Industry Manufacturers 'Standardization Association (MSS) kev faib tawm ntawm valve sealing class American Valve thiab Yeeb Nkab Fitting Industry Manufacturers 'Standardization Association tus qauv "Pressure Test of Steel Valves" MSS SP61 tso cai valve to yuav tsum muaj raws li nram no:
(1) Qhov twg cov yas los yog roj hmab siv rau ib qho ntawm qhov chaw sib khi hauv lub valve sealing khub, yuav tsum tsis muaj qhov pom kev rau lub sijhawm ntawm kev sib khi.
(2) Qhov siab tshaj plaws tso pa tawm ntawm txhua sab thaum kaw yuav tsum yog: rau cov kua dej, 0.4 milliliters ib millimeters, ib teev rau nominal loj (DN); rau gases, 120 milliliters ib millimeters, ib teev rau nominal loj (DN).
(3) Qhov tso cai tso tawm ntawm lub tshev valve tuaj yeem nce 4 zaug.
4. American National Standard / American National Instrumentation Association cov qauv (ANSI / FCI) ntawm kev faib tawm ntawm kev tswj valve sealing qib
American National Standard Bin American Instrument Society tus qauv ANSI/FCI70-2 (ASME B16.104) "tswj lub rooj tog zaum".
5. European Union cov qauv ntawm kev faib tawm valve sealing chav kawm
European txheem EN 12266-1 "kev lag luam li qub valve test" Tshooj l. Kev ntsuas siab, cov qauv kev xeem thiab cov qauv kev lees paub - yuav tsum tau ua.