BS EN 14451:2020

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Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A|Water supply and waste systems (buildings), Pollution, Valves, Designations, Anti-siphonage systems, Leak tests, Check valves, Vacuum techniques, Flow control, Drainage, Potable water, Endurance testing, Performance testing, Durability, Marking, Size, Sanitary appliances

186 GBP