EN 682:2002/A1:2005 Elastomeric seals -- Materials requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids

EN 682:2002 specifies requirements for elastomeric materials used in seals for supply pipes and fittings , ancillaries and valves at operating temperatures in general from -5° C up to 50° C and in special cases from -15° C up to 50° C, for the following: General applications a) gaseous fuel (manufactured, natural and liquefied petroleum gas (LPG) in gaseous phase), b) hydrocarbon fluids with aromatic content up to 30% (v/v), including LPG in liquid phase.