LPG equipment and accessories - Equipment for Liquefied Petroleum Gas automotive filling stations - Part 2: Components other than dispensers, and installation requirements; German version EN 14678-2:2007— 20 стр.
Petroleum, petrochemical and natural gas industries - Flare details for general refinery and petrochemical service (ISO 25457:2008); English version EN ISO 25457:2008— 127 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2007— 130 стр.
Petroleum, petrochemical and natural gas industries - Calculation of heater-tube thickness in petroleum refineries (ISO 13704:2007); English version EN ISO 13704:2007— 110 стр.