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ČSN is a protected designation of Czech national technical standards.
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves
Standard published on 1.11.2025
Selected format:Plastové potrubní systémy pro rozvody plynných paliv - Potrubní systémy z neměkčeného polyamidu (PA-U) se svařovanými a mechanickými spoji - Část 4: Ventily (Norma k přímému použití jako ČSN).
Change published on 1.3.2026
Selected format:Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 5: Fitness for purpose of the system
Standard published on 1.12.2021
Selected format:Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 7: Assessment of conformity
Standard published on 1.2.2024
Selected format:Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 1: General
WITHDRAWN published on 1.3.2021
Selected format:Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes
WITHDRAWN published on 1.4.2021
Selected format:Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings
WITHDRAWN published on 1.4.2021
Selected format:Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves
WITHDRAWN published on 1.8.2022
Selected format:Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General
Standard published on 1.11.2024
Selected format:Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 2: Pipes
Standard published on 1.11.2024
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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