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Control valves Working principle ZZYP self-reliance pressure regulator valve pressure pipeline stable after working principle: when the valve is given to after pressure The pressure of the main valve, and pressure differential film have changed, caused to pass small valve core components of valve movement, When the valve is increased pressure to command device after next film, spray nozzle cavity with baffle, output to reduce the distance of the valve For signal pressure decreases, will also cause valve core components to close small moves in the direction of the valve. The valve, the valve after little pressure Force to the given value equal to mp2. Conversely, when the pressure is reduced to a given value after the command output pressure increases, The main valve, the valve until after the pressure is given value.