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An air-operated valve is a type of power operated valve that uses air pressure against a piston or diaphragm to produce linear or circular movement to operate a valve. Types are 2-way, 3-way and 4-way. The 2 way air-operated valves can be either normally closed or normally opened.
Video Air-operated valve
See also
- Control valve
- Solenoid valve
Maps Air-operated valve
References
Source of the article : Wikipedia