Plastics piping systems - Valves for polyethylen (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism
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.