Briefly describes the pneumatic V type regulating pneumatic valve USES and characteristics

use and characteristics, the use is a quarter-turn structure, it has to do with pneumatic valve positioner, proportional control can be realized; V pneumatic valve core is the most suitable for all kinds of regulating occasions, with large rated flow coefficient, adjustable than large, good sealing effect and zero regulation performance, small size, can be installed in vertical lie. Apply to control gas, steam, liquid medium. , characteristics: a quarter-turn structure, by V pneumatic valve, actuator, positioner of and other accessories. There is a best than the intrinsic flow feature of such as approximation; With double bearing structure, small starting torque, has excellent sensitivity and speed of induction; Strong ability of shear. , pneumatic piston actuators using compressed air as power source, through the movement of the piston drives the crank arm to degrees of rotation, to make the pneumatic valve open/close automatically. Part of it is: the adjusting bolt, actuator housing, crank arm shaft, piston, connecting rod, cylinder block, cylinder, cardan shaft. Working principle of pneumatic valve, pneumatic control, pneumatic control pneumatic valve is made up of actuators and regulating mechanism. Actuator is adjust the thrust part of pneumatic valve, it according to the size of the control signal pressure produce corresponding thrust, promote regulating mechanism. Pneumatic valve body is the adjustment of the pneumatic valve pneumatic control components, it is directly contact with control agent, regulating the flow of the fluid. Working principle: the right of stomatal intake, inside the actuator piston to move both sides, drives the intermediate output shaft rolling, travel Angle just degree, make the pneumatic valve is fully open. Left hole inlet, inside the actuator piston to move in the middle, drives the intermediate output shaft rolling, stroke Angle and degrees, the pneumatic valve full close. Simple, ventilation, pneumatic valve, open porosity of the right of the right hole pneumatic valve clearance, ventilation, if the site source fault suddenly gave up the ghost, the pneumatic valves to keep the original position.
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