Dual Check Valve With Intermediate Atmospheric Vent

Watts 3 4 dual check valve with intermediate atmospheric vent lf9d m2.

Dual check valve with intermediate atmospheric vent.

Depending on the type of dual check valve the intended applications range from residential water systems at the service entrance fire sprinkler systems and beverage machines. Series 9d dual check valves with intermediate atmospheric vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. Dual check valve with intermediate atmospheric vent sizes. It consists of a brass body with stainless steel internal parts integral strainer and two durable tight sealing rubber check valves.

It consists of a brass body with stainless steel internal parts integral strainer and two durable tight sealing rubber check valves. Protects against polluted water into the potable water supply. The zurn wilkins 760 dual check valve assembly with atmospheric vent provides low hazard protection against backflow from a residential boiler or small commercial boiler. Assembly shall provide protection where a potential health hazard does not exist.

Designed for use in non health hazard cross connections and continuous pressure applications that are subject to backpressure or backsiphonage incidents. 1 2 15mm 3 4 20mm series bbfp is specially made for smaller supply lines and ide ally suited for laboratory equipment processing tanks sterilizers dairy equipment and similar applications. Series 9d is designed for continuous pressure non health hazard applications in smaller supply lines such as laboratory equipment processing tanks sterilizers dairy equipment and. It is particularly recom mended for boiler feed lines to prevent backflow when supply.