Ordinary Temperature
Ordinary Pressure
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Unidirection
Industrial Usage, Water Industrial Usage, Household Usage
Flexible Check Valve
BS1868, API 6D, ASME B16.34
ASME B16.34
ASME B16.10
ASME B16.25, ASME B16.5/16.47
Dnv CE 0575
ISO 9001: 2008
Sea Worthy
API, ANSI, ASME, DIN, JIS, GB etc.