Valves for gas distribution systems with maximum operating pressure <kleiner => 16 bar - Performance requirements; German version EN 13774:2003— 30 стр.
Valves - Materials for bodies, bonnets and covers - Part 3: Cast irons specified in European standards; German version EN 1503-3:2000 + AC:2001— 4 стр.
Elastomeric seals - Material requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids; German version EN 682:2002 + A1:2005— 20 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.
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.