Standards

Reference	Title
LVS EN 14454:2005	Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A
LVS EN 14455:2005	Devices to prevent pollution by backflow of potable water - Presssurised air inlet valves DN 15 to DN 50 - Family L, type A and type B
LVS EN 14506:2005	Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C
LVS EN 14525:2023	Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement
LVS EN 14622:2005	Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F
LVS EN 14623:2005	Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
LVS EN 15096:2020	Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specification
LVS CEN/TS 13598-3:2022	Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Assessment of conformity

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Legislation/Applicable standard