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.
Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 2: Specific functional recommendations for polyethylene (MOP up to and including 10 bar); German version prEN 12007-2:2010
Plastics - Polyamides - Determination of <epsilon>-caprolactam and <omega>-laurolactam by gas chromatography (ISO 11337:2010); German version EN ISO 11337:2010— 22 стр.
Petroleum, petrochemical and natural gas industries - Non-metallic materials in contact with media related to oil and gas production - Part 1: Thermoplastics (ISO 23936-1:2009); English version EN ISO 23936-1:2009— 36 стр.
Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations; German version EN 1775:2007— 50 стр.