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SMC Corporation (SMC 株式会社, SMC Kabushiki-gaisha) is a Japanese TOPIX Large 70 company [5] founded in 1959 [6] as Sintered Metal Corporation, [7] which specializes in pneumatic control engineering to support industrial automation.
Air (or other gas) pressure is the power source for pneumatic valve actuators. [1] They are used on linear or quarter-turn valves. Air pressure acts on a piston or bellows diaphragm creating linear force on a valve stem. Alternatively, a quarter-turn vane-type actuator produces torque to provide rotary motion to operate a quarter-turn valve.
An air-operated valve, also known as a pneumatic valve, is a type of power-operated pipe valve that uses air pressure to perform a function similar to a solenoid. As air pressure is increased, the compressed air starts to push against the piston or diaphragm walls which causes the valve to actuate.
8world News is a department which produces news, current affairs, and info-ed programmes for two Mediacorp channels aired in Mandarin, Channels 8 and U.. Prior to 2010, the news were presented in three timeslots - News 8 At One (Chinese:1點新聞), which airs daily; Singapore Today (Chinese:獅城6點半), and News 8 at 10.
Air-actuated control valves each with a 4–20 mA "I to P" converter integral to a valve positioner. In this example each positioner is comparing the valve steam travel against control signal, and applying any correction. The opening or closing of automatic control valves is usually done by electrical, hydraulic or pneumatic actuators. Normally ...
valve with pneumatic diaphragm actuator and "smart" positioner which will also feed back to the controller the actual valve position Pneumatic rack and pinion actuators for valve controls of water pipes. A pneumatic actuator mainly consists of a piston or a diaphragm which develops the motive power. It keeps the air in the upper portion of the ...