Plastics piping systems - Thermoplastics valves - Test methods for resistance to internal pressure and leaktightness; German version EN 917:1997— 6 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 1: General requirements; German version EN 1074-1:2000— 11 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2: Isolating valves; German version EN 1074-2:2000 + A1:2004— 16 стр.
Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism; German version EN 1680:1997— 5 стр.
Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after temperature cycling under bending; German version EN 1704:1997— 4 стр.
Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow; German version EN 1717:2000; Technical rule of the DVGW— 53 стр.
Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements; German version EN 13774:2013— 33 стр.
