6 in Double Check Backflow Preventer, Flanged and Grooved

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for installation on potable water lines, this check valve assembly provides protection against both backsiphonage and backpressure of polluted water into the supply system. The unit is constructed with a stainless steel main valve body and is certified as lead-free for applications requiring compliance with low-lead standards. Rated for operation at pressures up to 175 psi and temperatures reaching 140 degrees Fahrenheit, this assembly is compatible with both butterfly and gate valve configurations. The internal check components are accessible for maintenance without requiring the removal of the device from the pipeline, facilitating efficient service and inspection in water distribution systems.