VAV Valve

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AquaMatic VAV
1 inch "Y" pattern diaphragm valve
Cast Iron body and cap for air applications
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SERIES 424 AIR VALVE (VAVD & VAVE)

Features	Benefits
•Engineered for extended cycle life in high-use air applications
•Large seat opening and high lift-disc for higher flow rates at a lower pressure loss
•Separate flow and control chambers permit positive closing without springs; and only nominal cost for spring assist opening for low-pressure and self-draining applications
•Cost-effective solution both in initial cost, as well as lifetime maintenance expenses
•Separate diaphragm chambers protects the diaphragm from the flow stream, while allowing the valve to be serviced in-line
•Constructed of cast iron, brass, stainless steel and Nitrile elastomer components, giving an unparalleled service life
/4-inch through 3-inch threaded (N.P.T. or B.S.P.); 3-inch through 4-inch flanged drilled in accordance with ASA16.1 class 125, or BSP4504