This International Standard specifies the requirements for flexible rubber hoses and hose assemblies used for the transfer of metered quantities of liquified petroleum gases (LPGs) from dispensing equipment to motor vehicles. The hoses and hose assemblies specified in this International Standard are intended for use “wet”, i.e. permanently filled with liquid, in the temperature range from – 40 °C to + 60 °C. The maximum working pressure is 20 bar (2 MPa).