This International Standard specifies general requirements and physical tests for non-fire-resistant hoses for conveying petrol and diesel oil designed for a working pressure not exceeding 0,34 MPa for hoses with inner diameter up to and including 10 mm and 0,25 MPa for hoses up to 63 mm inner diameter in craft of hull length up to 24 m. It applies to hoses for small craft with permanently installed fuel systems. Specifications for fire-resistant hoses are laid down in ISO 7840.