Instrument measuring Instrument needle valve is an important part of the piping system, the main shut-off valve and ball valve, its function is to be used to turn on or off the pipeline path. Card sets with easy installation and removal instrument valves, connections are tight, there is conducive to fire, explosion and high voltage capability, good sealing performance, etc., are power plants, oil refineries, chemical plant piping and instrumentation to measure an advanced connection valve. Needle shut-off valve sealing good, long life, even after the sealing surface is damaged, only need to replace wearing parts, you can continue to use.
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