What is a needle valve?
Instrumentation needle valve is an important part of the instrumentation measurement piping system, mainly shut-off valves and ball valves, its function is to open or cut off the pipeline access. Needle valve spool is a very sharp cone, like a needle into the valve seat, thus the name.
The function of any needle valve is to cut off the fluid. According to the different spool, can be divided into globe valves, gate valves, plug valves, ball valves and so on. Needle valve shape than other types of valves can withstand greater pressure, sealing performance is good, so generally used for smaller flows, higher pressure gas or liquid media sealing.
Needle valve and the pressure gauge is suitable for use. General needle valve shape are made into threaded connections. Needle valve instrumentation measurement piping system is an important part of a valve can be adjusted, cut off the fluid, the spool is a very sharp cone, generally used for smaller flows.
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