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This European Standard specifies the requirements and test methods for semi-rigid reel hoses for use on fire-fighting vehicles and trailer pumps. The hoses are intended for use at a maximum working pressure of 1,5 MPa for normal pressure hoses (category I) and 4,0 MPa for high pressure hoses (category II). The hoses are further subdivided into types and classes (see clause 4). The standard applies to delivery hoses for fire-fighting purposes intended for use at a minimum ambient temperature of -20 °C. NOTE 1 Hoses for use at temperatures lower than -20 °C may be supplied by agreement between the manufacturer and purchaser. Hoses conforming to this standard should be used with fire hose couplings conforming to the relevant national standards couplings. Requirements are also given for hose assemblies (see clause 8) where these are fitted by the hose manufacturer. NOTE 2 All pressures are expressed in megapascals. 1 MPa = 10 bar.