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Conventional hand valve is a manual valve, which is suitable for unidirectional flow. It can be used for the pipeline of the liquid, air suction and hot gas in refrigeration and air conditioning devices.
Adopt nylon spool, sealing surface is not easy to be damaged, long service life.
With stainless steel diaphragm, can prevent leakage during service life.
Fully open or fully closed just needs a half of the rotation, with advantages of easy operation, wide usage and no noise etc.