Pneumatic Diaphragm Gate Valve has less friction, close-open quickly, long life, and dependable sealing. It could be an SSV (Surface Safety Valve) with an Induction System, driven by compressed air. When the fluid pressure in the pipeline has some troubles, it will be auto-off, and it could auto-off the main valve while controlling system pressure blabbed. This valve has been installed with the manual pressure relief device, overpressure auto protector, and manually operated device.
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