Registration number (WIID)Project No.TitleStatus
77952LVS EN 1555-1:2025Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: GeneralStandarts spēkā
77951LVS EN 1555-3:2025Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: FittingsStandarts spēkā
77954LVS EN 1555-4:2025Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: ValvesStandarts spēkā
82580LVS EN ISO 16486-4:2025/A11:2025Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: ValvesStandarts spēkā
35337LVS EN ISO 13260:2012Thermoplastics piping systems for non-pressure underground drainage and sewerage - Test method for resistance to combined temperature cycling and external loading (ISO 13260:2010)Standarts spēkā
78275LVS EN 13476-3:2025Plastics piping systems for non-pressure underground drains and sewers - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Specifications for pipes and fittings with smooth internal and profiled external surface and the system, Type BStandarts spēkā
79543LVS EN 1329-1:2026Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system 
79476LVS CEN/TS 1329-2:2026Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Assessment of conformity 
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