• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.

Air Vents /Vacuum Valves are used to exhaust large quantities of air upon system start-up, as well as allowing air to re-enter the line upon system shut down or system failure. As water enters the valve, the float will rise, closing the discharge port. The valve will remain closed until system pressure drops to near zero psi. It will not open and release any accumulation of air while the system is under pressure.

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Air Vent / Air Valves

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