Product DescriptionPneumatic retaining lock valve is one of the
auxiliary units of the combination instrument of the pneumatic
unit. When the gas source system of the instrument fails, the lock
valve can automatically cut off the passage between the regulator
and the valve, so that the valve can be kept in the original
position to ensure the normal process of the process, until the gas
source fault is eliminated, and normal work is resumed. Therefore,
the pneumatic lock valve is suitable for use in important automatic
control circuits as a safety protection position.technical
parameter1. Ambient temperature: -20-+60ºC, relative humidity
≤95%2. Environmental vibration frequency: ≤25Hz, amplitude
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