agriculture Equipment
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Post  haoshi Wed Jan 12, 2011 12:51 am

It is a direct-acting and pilot combination of theory, there is no pressure when the inlet and outlet, the power, the electromagnetic force directly to the pilot valve and main valve lift off pieces in order, the valve opens. When the entrances and exits to start pressure, the power, the electromagnetic force pilot valve, main valve chamber under increased pressure, the chamber pressure drops, thus using up the pressure to open the main valve; power, the pilot valve with a spring Or to medium pressure to promote off pieces, moving down, the valve closes.Welcome to our website to see more products,eg:Solenoid Valves


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