Febco - 611-MJXFL 4 - Part of the 611 Series ZC100F-8NH Operation calibrated at factory to

Operation calibrated at factory to eliminate field calibration

and regular use in wet conditions

and a variety of grate finishes—including aluminum

Outer/Inner Diaphragm

This 6 inch stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of objectionable but not toxic water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

Febco - 611-MJXFL 4 - Part of the 611 Series ZC100F-8NH Operation calibrated at factory toThis 4 inch mechanical joint by flange valve setter is constructed of fusion epoxy coated ductile iron. It augments the installation of the MasterSeries N pattern backflow preventer valve. Integral ductile iron supports between elbows transfer thrust downstream, thus eliminating thrust block requirements between elbows. It has a ductile iron body. The maximum working pressure is 175 psi (12. 1 bar). Features Epoxy coated for longevity ANSI 150 pound