Ordinary Pressure
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Unidirection
Industrial Usage, Water Industrial Usage, Household Usage
Y Check Valve
BS1868, API 6D, Asme B16.34
Asme B16.34
Asme B16.10
RF, Rtj, Bw, Sw
Dnv CE 0575
ISO9001:2008
Sea Worthy or Air Worthy
API, ANSI, ASME, DIN, JIS, GB etc.