the working principle of three type pneumatic ball valve 1. When the pneumatic actuators after connected with gas source circuit and system, and the air through A pipe tube into A cylinder (A or B B) cylinder Push the piston movement to end, so as to drive the rotation axis of rotation and the ball core & 90 deg; 2. Pneumatic actuators at the top of the moving and visual, when green flag & other; Open & throughout; The word mark when the valve opens. 3. Reply is light green light when the valve is in open position, and the red light when the valve is in closed position 4. The locator 5 adjustable valve pipe flow. Seat is elastic sealing structure, reliable sealing, easy opening and closing. 6. Have pour sealing bottoms structure is used to the valve stem, valve cavity when the abnormal pressure, the Industrial Valves stem will not be impact. 7. Pneumatic piston type actuators with low friction materials bearing sleeve, inside and outside the cylinder body hard anodic oxidation of corrosion on the surface, greatly improving the service life of the cylinder.

Wow, this sounds like a bit of a cruel question, but it is a vitally important question to ask yourself if you are struggling with your resilient seated valve and you would like to stop the flanged gate valve problem.
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