Legislation/Applicable standard

ReferenceTitle
LVS EN 12729:2023Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
LVS EN 12889:2023Trenchless construction and testing of drains and sewers
LVS EN 13076:2003Devices to prevent by popullition by backflow of potable water - Unrestricted air gap-Family A - Type A
LVS EN 13077:2023Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
LVS EN 13078:2004Devices to prevent pollution by backflow of potable water - Air gap submerged feed incorporating air inlet plus overflow - Family A, typ C
LVS EN 13079:2025Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D
LVS EN 13101:2003Steps for underground man entry chambers - Requirements, marking, testing and evaluation of conformity
LVS EN ISO 13266:2023Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics shafts or risers for inspection chambers and manholes - Determination of resistance against surface and traffic loading (ISO 13266:2022)
LVS EN ISO 13267:2023Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics inspection chamber and manhole bases - Test methods for buckling resistance (ISO 13267:2022)
LVS EN 13433:2022Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A
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