Registration number (WIID)Project No.TitleStatus
62507LVS EN 1555-2:2021Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: PipesStandarts spēkā
31483LVS EN 1555-2:2011 APlastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: PipesAtcelts
5995LVS EN 1555-2:2003Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: PipesAtcelts
77952LVS EN 1555-1:2025Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General 
62517LVS EN 1555-1:2021Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: GeneralStandarts spēkā
31481LVS EN 1555-1:2011 APlastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: GeneralAtcelts
5994LVS EN 1555-1:2003Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: GeneralAtcelts
40702LVS EN 15383+A1:2014Plastics piping systems for drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) - Manholes and inspection chambersStandarts spēkā
33040LVS EN 15383:2013Plastics piping systems for drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) - Manholes and inspection chambersAtcelts
73394LVS EN 1519-1:2019/AC:2021Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polyethylene (PE) - Part 1: Requirements for pipes, fittings and the systemStandarts spēkā
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