Behavioral sensitivity and dependability
This is to show valve changes to medium parameter, make the sensitive pitch of corresponding reaction. Wait to throttle, pressure-relief valve, control valve with will adjust for the valve of medium parameter and relief valve, drain valve valve that has specific function, its function sensitivity and dependability are very main specifications index.
Service life
It shows the durable rate of valve, it is the main function index of valve, have very great economy sense. Normally with can assuring sealed requirement open shut a frequency to express, also can express with use time.
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