Walworth Pressure Seal Gate Valves
Pressure Seal Gate Valves handwheel or gear operated, rising stems, out side screw & yoke (OS&Y) Pressure Seal Valve are used primarily, but not limited, to power generation plants with fossil, coal, thermal, gas, nuclear plants, steam power stations, etc. Pressure seal valves are excellent in the following conditions: high pressure, high temperature, steam. oxidizing environments, among others. Walworth Pressure Seal Vast Steel Valves use the pressure line to assist in the seal of the valve with a preloaded metallic or graphite pressure seal gasket placed between body and bonnet which reduces weight for easy installation and maintenance increasing safety and seal of the body-bonnet joint. Walworth Pressure Seal valves are designed in accordance ASME B16.34 Pressure Classes 600, 900, 1500 & 2500# and size 2″ up to 24″ nominal diameter.