Pneumatic on-off disconnecting switch control pneumatic valve pictures

Pneumatic switch to cut off the butterfly valve is the use of air pressure drive pneumatic valve rod rotating disc plate to control the switch of the pneumatic valve adjustment, is suitable for the two to cut off the occasion. Pneumatic on-off butterfly valve with double acting and single acting ( Spring return) , can be designed as normally open and normally closed, including single-acting instruments perform emergency reset function, can be in mechanical failure or lost gas source back to the open or closed position.



pneumatic cut-off butterfly effect of pneumatic valve:

the single-acting forms: gas closed type ( B) - - Loss of air pressure pneumatic valve automatically open (the FO) ； Gas open ( K) - - Loss of air pressure pneumatic valve automatically shut down (the FC)

form: with double acting air closed type ( B) - - Loss of air pressure pneumatic valve opening the unchanged ( FL) ； Gas open ( K) - - Loss of air pressure pneumatic valve open position remains the same (the FL)


pneumatic cut butterfly valve accessories: solenoid pneumatic valve, air filtration pressure reducer, trip switch, hand wheel, etc. Widely used in metallurgy, electric power, petroleum, chemical industry, as well as water supply and drainage pipe, such as switch on-off control use.

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