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SAE threaded hose connections make certification testing fast and trouble-free, especially in tight installations. It is designed to protect against backflow caused by either back-pressure or back-siphonage. The durable, but economical, device is easily maintained in the line without any special tools. It consists of two independently acting spring-loaded check valves with an automatic differential relief valve located between the check valves. The diaphragm and the sensing passage are built into the all bronze body to eliminate possible damage. The assembly offers installation flexibility by providing inlet and outlet bronze elbows to meet space requirements, adaptability and lower installation cost.

Technical Sheet