Standards

Reference	Title
LVS EN 13959:2005	Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
LVS EN 14367:2005	Non controllable backflow preventer with different pressure zones - Family C, type A
LVS EN 14396:2004	Fixed ladders for manholes
LVS EN 14451:2020	Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A
LVS EN 14452:2005	Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B
LVS EN 14453:2005	Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C
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

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Legislation/Applicable standard