RPZ Certification

The RPZ (Reduced Pressure Zone) Valve is a device which protects against backflow, providing protection against the contamination of mains cold water supplies. Backflow, causing cross-contamination between potable and non-potable water supplies, can constitute a serious public health hazard. RPZ valves are a widely used cost effective solution to provide protection against this hazard.

RPZ valves, once commissioned, require testing on an annual basis by an Accredited Tester. Scallon Services provides installation, commissioning and testing services across the whole of the Greater Austin.

Typical applications for RPZ valves include, but not limited to, the following :

• Swimming pools
• Commercial central heating systems with design heat output >45 kW
• Mini-irrigation systems without fertilizer or insecticide application, such as pop-up sprinklers or porous hoses
• Brewery and distillation plant
• Car washing and degreasing plants
• Commercial clothes washing machines
• Dyeing equipment
• Pressurized fire-fighting systems
• Printing and photographic equipment
• Water treatment plant using other than salt

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