Wafer-Typ Gummi ausgekleidet (Fluor) Schmetterling val

Features 1.Unique design of molded rubber (PTFE) seat has excellent balance and support, effectively avoid the damage to the rubber (PTFE),when the valve in fully closed position, Rubber (PTFE) in the best compression state to maintain zero leakage; 2. Due to a high precision smooth machining, rubber (PTFE) seat is very low coefficient of friction, can live longer life; 3. Structure simple, light weight, easy installation and removal, easy maintenance; 4. Can installed in any location, to achieve two-way sealing Standard Design, manufacture standardGB/T12238Face to faceGB12221Flange standardGB/T9113Inspection and testGB/T13927-92Nominal diameter50 2000mmNominal pressurePN≤2.0MPaActuated typeManual, Pneumatic, Electrical, HydraulicMain materialHT200,QT400,WCB,CF8,CF3,CF3MSuitable mediumAir, water, steam, gas and acid, alkali, salt and weak corrosive medium