WATTS 9D-S-M3 1/2 1/2 in. Union Backflow Preventer Valve, Sweat

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About This Product

This 1/2 in. dual check valve backflow preventer with an intermediate atmospheric vent is designed to stop reverse flow of potentially contaminated hot or cold water into the potable water system. Ideal for continuous pressure, non-health hazard applications, it is commonly used in small supply lines for equipment such as laboratory systems, processing tanks, sterilizers, dairy equipment, and boiler feed lines. It features a brass body, stainless steel internal components, an integral strainer, two tight-sealing rubber check valves, and soldered end connections.

Highlights

• Durable stainless steel internal components

• Can be installed vertically or horizontally

• Union connections allow for easy installation and replacement

• Full-size internal passage minimizes debris buildup and check fouling

• Compact design ensures efficient, economical performance

• Optimized flow with minimal pressure drop

• Simple construction for easy servicing and upkeep

Specifications