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- The patented Nidel® Model 50H high flow double check backflow preventer is intended for irrigation purposes and designed to protect hose connections from backflow contamination in freezing and non-freezing conditions. The Nidel® Model 50 high flow double check backflow preventer automatically drains when the hose is removed and unlike single check vacuum breakers can be field tested for reliability. Uses include outside hose bibbs, wash racks, dairy barns and swimming pool areas.
Woodford® Nidel® Backflow Preventer, High Flow, 3/4 in Nominal, Female Hose ThreadxMale Hose Thread, 125 psi, Double Check Backflow, Brass Body
- Field testable
- Drains automatically when hose is removed
- No spray back
- Theft resistant brass break-off set screw
- 3/4 in female inlet hose thread
- 3/4 in male outer nozzle hose thread
- Automatic draining
- (2) Check Valves With Molded Rubber Diaphragms
- Backflow TypeDouble CheckBody MaterialBRASSEnd StyleFemale Hose Thread x Male Hose ThreadNominal Size3/4 inManufacturerWoodford ManufacturingManufacturer #50H-BRPressure Rating125 psiTypeHigh Flow