Двойной плита обратный клапан

Dual Plate Check Valve Double Door Check ValveWafer Butterfly Check Valve Application: This product is used for preventing the back-going of medium in pipelines and equipments,and the pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve disc will antomatically close to avoid accidents. Material of main parts: Body: Cast Lron,Ductile Lron,Cast Steel,Stainless Steel304,Stainless Steel316. Disc:StainlessSteel,Ductile Lron Coated byNickel, Stainless Steel316, Stainless Steel304 , Aluminum Bronze.Stem: Stainless Steel316/304/416. Seat: NBREPDM etc. Sizes: 2"-24" Normal Pressure: PN1.0-1.6Mpa Applicable Medium: WaterSaltAacidSodaNaturalGasAirMellowOilFoodand Steam etc. Temperature Range: -10oC-130oC