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Product Description

Dual Plate Check Valve( Double Door Check Valve ) (Wafer Butterfly Check Valve) 
Specifications 

Certificate: WRAS / ISO9001. Newest model+best price+high quality. Professional service. Size: 2"-24". 
Dual Plate Check Valve 

Double Door Check Valve 

Wafer 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 by Nickel, Stainless Steel316, Stainless Steel304, Aluminum Bronze. 
Stem: Stainless Steel316/304/416. 
Seat: NBREPDM etc. 
Size: 2"-24" 
Normal Pressure: PN1.0-1.6Mpa 
Applicable Medium: WaterSaltAacidSodaNaturalGasAirMellowOilFoodand Steam etc. 
Temperature Range: -10oC-130oC 


Butterfly check valve through With GS, CE, api, ISO certificate 
Non-toxic, environmental-friendly material 
Customized design offered 
High quality, reasonable price 
Our production process are made under ISO9001, CE, API strictly 
We can produce many kinds of butterfly check valve, such as wafer disc 
Butterfly check, wafer dual plate butterfly check valve 

Note: As for the difference working condition, difference working condition difference design 
, so we have to redesign the products according to your working codition. The picturs 
Below designed before are served as reference.