This standard specifies the general requirements and physical tests for fire-resistant hoses that transport gasoline and diesel under low pressure. For hoses with a nominal inner diameter of 10mm or less, the working pressure shall not exceed 0.34MPa; for hoses with a nominal inner diameter greater than 10mm, the working pressure shall not exceed 0.34MPa. More than 0.25MPa. This standard applies to hoses used in small boats with a fixed engine inside and a boat length not greater than 24m.