Ordinary Pressure
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Bidirectional
Industrial Usage, Water Industrial Usage, Household Usage
Flanged Dual Plate Wafer Check Valve
API 594, API 6D, ASME B16.34
ASME B16.34
Dnv CE 0575
ISO9001:2008
Sea Worthy or Air Worthy
API, ANSI, ASME, DIN, JIS, GB etc.