AIR VENT VALVE Body material : ASTM A126 WCB Cover material : ASTM A126 WCB Level material : Stainless Steel 304 Seat Ring : Stainless Steel 304 Float/Arm : Stainless Steel 304 Orifice Arm : Viton Working presure : 16 Bar Working Temperature : -10⁰C To 100⁰C End Connection : Screwed / NPT / FMNPT S...