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SN EN ISO 21003-5
Multilayer piping systems for hot and cold water installations inside buildings - Part 5: Fitness for purpose of the system (ISO 21003-5:2008)
Edition
2008-11
SN EN ISO 22391-5
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 5: Fitness for purpose of the system (ISO 22391-5:2009)
Edition
2010-07
SN EN ISO 22391-5/A1
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 5: Fitness for purpose of the system (ISO 22391-5:2009/Amd 1:2020, Corrected version 2021-03); Amendment A1
Edition
2021-04
SN EN ISO 25065
Systems and software engineering - Software product Quality Requirements and Evaluation (SQuaRE) - Common Industry Format (CIF) for Usability: User requirements specification (ISO 25065:2019)
Edition
2021-01
SN EN 1074-1
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 1: General requirements
Edition
2000-06
SN EN 1074-2
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2: Isolating valves
Edition
2000-06
SN EN 1074-2/A1
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2: Isolating valves
Edition
2004-06
SN EN 1074-3
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 3: Check valves
Edition
2000-06
SN EN 1074-4
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 4: Air valves
Edition
2000-09
SN EN 1074-5
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 5: Control valves
Edition
2001-03