Features and working principle of imported high temperature and high pressure gate valve High temperature high pressure valve is one of the most commonly used shut-off valves. It is mainly used to switch on or cut off the medium in the pipeline and is not suitable for regulating the flow of medium. The gate valve has a wide range of pressures, temperatures and calibers, especially for medium and large diameter pipes. Imported high temperature and high pressure gate valves are mainly suitable for high temperature and high pressure environments in thermal power stations, nuclear power stations, petrochemicals, and other general industrial applications. Imported high temperature and high pressure valve advantages: Imported high temperature and high pressure gate valve working principle:
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1. The inlet of high temperature and high pressure gate valve adopts pressure self-tightening sealing structure. The higher the inner cavity pressure is, the better the sealing performance is. The two ends of the branch pipe are welded and adapted to different takeover requirements.
2. The seal surface of the gate and valve seat is made of Stellite based hard alloy. The high hardness of the movement seal, wear resistance, high temperature resistance, corrosion resistance, anti-scratch performance and long service life.
3. The valve stem is tempered and surface nitrided, which has good corrosion resistance and scratch resistance.
4. The opening and closing of the electric valve is controlled by the electric device. The electric device is equipped with a special motor, reducer, torque control mechanism, on-site operating mechanism, hand and electric switching mechanism. In addition to local operation, remote operation is also available.
1. It adopts pressure self-tightening sealing structure, elastic gate, and both ends are welded together.
2. The valve seat sealing surface is made of cobalt-based hard alloy plasma spray welding, which has good wear resistance and scratch resistance.
The valve sealing surface is hardened and nitrided.
3. The surface of valve stem is treated with anti-corrosion nitriding, which has good corrosion resistance and scratch resistance.
4. The opening and closing of the valve is controlled by the electric device. The electric device is equipped with a special motor, reducer, torque control mechanism, on-site operating mechanism, hand, and electric switching mechanism. It can also perform remote operation in addition to local operation. .
