VAVK-3030-90000 – 4″ – Flanged ASTM – Normally Closed

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Description

Aquamatic – VAVK-3030-90000 – 428 – 4″ – Flanged ASTM – Normally Closed

Part Number VAVK-3030-90000
SKU 4500488
Model 428
Pipe Size 4″
Pipe Connection Flanged ASTM
Valve Option Normally Closed
Seal/Diaphragm/Disk (kit suffix) FKM / Buna / Hycar (RA)
Approximate Ship Weight (lbs.) 76

AquaMatic Series VAV Air Valves – Standard valves are normally open. Body and cap are of cast iron. Preformed stress-relieved diaphragm of nitrile (Buna N) on nylon, and static seals are FKM and Hycar, stainless steel and brass internal parts. Pipe sizes are 3/4- to 3-inch threaded (NPT or BSP) ; 3- to 4-inch flanged drilled in accordance with ASA16.1 class 125, or BSP4504.

Features and Benefits
Low Pressure LossY-pattern diaphragm valve features a large seat opening and high lift-disc for higher flow rates at a lower pressure loss than other comparable valves.
Cost-Effective DesignIn initial cost as well as lifetime maintenance expenses.
DurableCast iron, brass, stainless steel and nitrile elastomer components, giving an unparalleled service life of 3 years or longer depending on the application’s environment.
Positive ControlSeparate valve flow and control chambers permits positive sealing without springs. The optional spring-assist open feature is available for low pressure and selfdraining applications.
Long Diaphragm Life – Separate diaphragm chambers protects the diaphragm from the flow stream, while allowing the valve to be serviced in-line.

Additional information

Weight 76 lbs

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