Registration number (WIID)Project No.TitleStatus
41403LVS EN 1451-1:2018Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polypropylene (PP) - Part 1: Specifications for pipes, fittings and the systemStandarts spēkā
63663LVS EN ISO 13263:2018Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics fittings - Test method for impact strength (ISO 13263:2010)Standarts spēkā
63644LVS EN ISO 3127:2018Thermoplastics pipes - Determination of resistance to external blows - Round-the-clock method (ISO 3127:1994)Standarts spēkā
80344LVS CEN/TS 1852-2:2026Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Part 2: Guidance for the assessment of conformity 
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