There are many other types of Instrument Valves, but they are still applicable to gate valves, throttle valves, ball valves, butterfly valves, diaphragm valves, plunger valves, plug valves, check valves, safety valves for industrial piping. , pressure reducing valves, traps, etc. Definition of instrument valve The instrument valve is a pipe accessory. It is a device used to change the passage section and the direction of flow of the medium to control the flow of the conveying medium.
1. Gate valve of instrument valve
The working principle of the gate valve of the instrument valve: the sealing surface of the gate and the sealing surface of the valve seat are smooth, flat and consistent, and processed into a very close and tight sealing pair. The gate is turned on and off by the lifting and lowering of the valve stem to form a turn-on and turn-off of the medium. It acts as a shut-off in the pipeline.
2, the use of instrument valves
(1) Switch on or off the medium in the pipeline. Such as gate valves, globe valves, ball valves, plug valves, diaphragm valves, butterfly valves, etc.
(2) Adjust and control the flow and pressure of the medium in the pipeline. Such as throttle valves, regulating valves, pressure reducing valves, safety valves, etc.
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