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RMC RPZ High Hazard Check Valve Testable c/w BV & Strainer 25mm SR003C
Reduced Pressure Zone Device protects against backflow by either back-pressure or back-siphonage from a cross-connection between potable water systems and substances in ‘high hazard’ conditions.
The device features a lead-free construction and is 3rd party certified to AS/NZS 2845.1. It consists of two (2) mechanically independent, spring loaded, center stem guided check valves. It also has a hydraulically dependent differential pressure relief valve with the sensing passage set in an integral cast unleaded bronze body, with a single access cover. The assembly has three (3) vertical test cocks and two shut off valves which are quarter-turn, full-port and resilient seated.
The relief valve has a removable stainless steel seat ring. The check valves are held into place by stainless steel clips and the check valve assemblies are non-interchangeable with silicone discs.