Ordinary Pressure
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Unidirection
Industrial Usage, Water Industrial Usage, Household Usage
Non-Slam Check Valve
API 6D, ASME B16.34, DIN 320
ASME B16.34
ASME B16.10
ASME B16.25, ASME B16.5/16.47
Dnv CE 0575
ISO9001:2008
Sea Worthy or Air Worthy
API 6D, BS1868, DIN3202, ISO