Febco 850manual

WARNING: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. For more information: www.p65Warnings.ca.gov

FEBCO 850Double Check Valve

The FEBCO Series 850 Double Check Valve Assembly Backflow Preventers are designed for non-health hazard applications. The Series 850 are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fire line, or industrial processing. Small diameter sizes 1/2 to 2 inch. Standard assembly with ball valves or union end ball valves. End Connections: NPT ANSI / ASME B1.20.1.

Febco 850Repair Kit

This 2 inch small diameter double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance. This assembly consists of a bronze body construction, NPT end connections, quarter turn ball valve shutoffs, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats.