Investment Casting Check Valve
KOSEN Investment Casting Screwed Check Valves is used to prevent back flow in the line .Flow is in a straight line through the valve resulting in minimal pressure drop . The disc swings into the open position as the media flows through the line .Back pressure in the line holds the disc in the closed position . KOSEN Investment Casting Screwed Check Valves may be installed in horizontal or vertical lines ,but must be installed in proper relation to the media flow as indicated by the flow direction arrow marked on the body .
Technical Specification
Normal Size Range: 1/2"-4"
Normal Pressure Rating: 200PSI/PN16
Material: WCB, CF8,CF8M,CF3,CF3M
Temperature Range: -29°C~425°C
Threaded: BSPT, BSP(BS21), NPT(B1.20.1), DIN2999/259
Inspection testing:API598
Investment casting body / bonnet
Screwed cap, swing type disc, integral seat