A standard check valve actrated by counter flow. The valve can be used by -pass valve or counter-weigft. On request, dash pots check valves being equipped with dash pots to preclude sudden closure in event of counter flow are available.

1.Size 
Swing check valve : 80~1500mm 
 
2.Working Pressure
Max. 10 ㎏f/㎠1(6㎏f/㎠~ 20㎏f/㎠)  

3.Valve End 
Flange(KSD3578 , 4309) 
Other standards are available on request.
 
4.Fluid 
Service Water 
 
5.Test Pressure 
Leakage test-----Working Pressure
Shell test-----Twice of working Pressure
 
6.Main Materal 
Body : Cast Iron (GC 20) 
       Ductile Cast Iron (GCD450)
       Steel Casting (SC 410) 
 Disk : Cast Iron (GC 20) 
        Ductile Cast Iron (GCD450)
        Steel Casting (SC 410)
 Stem : Staninless Steel (STS 304,403)
 Seat : Bronze Casting (BC 6) 
        Stainless Steel (STS 304)

※The Other materials are avaiable request.