District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2009+A1:2013— 53 стр.
BS ISO 4427-5. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Part 5. Fitness for purpose of the system— 17 стр.
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2009+A2:2015— 56 стр.
Plastics piping systems - Valves for polyethylen (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism
District cooling pipes - Bonded single pipe systems for directly buried cold water networks - Part 1: Factory made pipe assembly of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene
District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made pipe assembly of steel service pipe, polyurethane thermal insulation and a casing of polyethylene
Thermoplastics pipes, fittings and assemblies for the conveyance of fluids - Determination of the resistance to internal pressure - Part 4: Preparation of assemblies (ISO 1167-4:2007)
Plastics piping systems - Valves for polyethylen (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 5: Fitness for purpose of the system; German version EN 1555-5:2010— 17 стр.
