This European Standard covers the gravity discharge coupler and specifies the performance requirements, critical dimensions and tests necessary to verify the compliance of the equipment to this standard. The equipment specified by this standard is suitable for use with liquid petroleum products and other dangerous substances of Class 3 (flammable liquids) of the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) which have a vapour pressure at 50°C not greater than 110kPa.
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