Type: check valve Application: General Power: Manual Structure: Check Customized support OEM Place of Origin Tianjin, China Warranty 3 years Brand Name TWS Check Valve Model Number Check Valve Temperature of Media Medium Temperature, Normal Temperature Media Water Port Size DN40-DN800 Check Valve Wafer Butterfly Check Valve Valve type Check Valve Check Valve Body Ductile Iron Check Valve Disc Ductile Iron Check Valve Stem SS420 Valve Certificate ISO, I-CE, iingcango, dnv. I-Valve Volvel Imveliso ye-NEAM ...