Application The gate valve is designed to open or close the
service fl uid fl ow fully. The gate valve is not used for fl ow-control or
throttling purposes. It is used in primary, secondary and auxiliary circuits of
the nuclear power plants inside or outside hermetically sealed zones. Working
medium radioactive water steam gas other working media Maximum working
temperature Tmax 350 °C Technical description The gate valves are with rising
stem and fl exible wedge. The body and the bonnet are connected mutually by fl
anged joint–bolted design. The seat rings are welded into the body. The sealing
surfaces of the seats and of the wedge are overlay by hard faced but without
cobalt overlay alloy. The packing is made of graphite rings. Production range
DN 50-600 MAWP up to 25,0Mpa Body material forged carbon steel 11 416.1
stainless forged steel 08X18H10T (1.4541)