WATTS 9D 1/2 BACKFLOW PREVENTER

Forged brass body for durability Compact design Stainless steel internal parts Horizontal or vertical installation Backflow Preventer Type Dual Check with Atmospheric Vent Inlet Connection Size 1/2" Inlet Shutoff Valve Type No Shutoff Valve Maximum Temperature-Fahrenheit 250 F Maximum Working Pressure-BAR 12.10 Maximum Working Pressure-PSI 175 Outlet Connection Size 1/2" Series 9D Strainer Yes This 1/2 inch dual check valve backflow preventer with atmospheric vent helps prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.