Armatury AS00 - Gate Valve

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). Gate Valve