SCREW DOWN NON-RETURN VALVE 489
15 - 200
up to 560°C (with PTFE sealing up to ≤ 200°C)
water, steam and other non-toxic, non aggressive liquid and gas media and engine fuel, sea water
The valves are designed to keep pipeline safe from returning the medium. Screw-down-nonreturn valve can be used as a stop globe valve to open and stop the flow. The valve is not supposed to be used as a regulating device.