Description

FEBCO Double Check Valve Assembly Model LF850 3 in. Epoxy Coated Ductile Iron With NRS Gate Valve

The FEBCO Series 850 Double Check Valve Assemblies 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.

Field replaceable seats

Commonality between 1st and 2nd check components

Ductile iron valve body design

Winterization feature with disc retainers and valve body drain ports

Stainless steel check components

Captured O-ring design

Clapper check assembly

End connections – compliant to ASME B16.1 class 125 and AWWA class D flange

No special tools required for servicing

Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

Includes ball valve