valve world

Swing Check Valve
standards:

 Design and Manufacture: Cast steel check valve to BS 1868, ASME B16.34 and API 6D；Forged steel check valve to API 602.  
    Inspection and Test: API 598 or API 6D.
    End flange dimension: ASME B16.5（for NPS≤24）；ASME B1...

As we know Valve will become more and more popular in the world, expecially in China. May be you are a foreigner, even you are Chinese you...

CHAODA achieved the API 6Fa fireproof test and API 607 fire of big size ball valve fireproof test
CHAODA has passed the TUU API 6Fa and API 607 Fireproof Test for big size

1. Thermocouple1) There mustn’t be any damage or peeling off for the cover of insulation wire or insulation sleeve, otherwise it will cause short circuit, which will influence the normal operation of the valve.