GB/T 18948-2009 in English

《GB/T 18948-2009内燃机冷却系统用橡胶软管和纯胶管 规范》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC1（全国橡胶与橡胶制品标准化技术委员会软管分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了用于自重含3.5t以下车辆内燃机(见GB/T3730.2的规定)中以1,2?乙二醇为冷却剂的增压或泄压冷循环系统的直式或预成型软管或纯胶管。本标准可用作分类方法,以使原始装备制造商(OEM)可对不包括所规定的主要型别内的专用试验进行详细标注(参见附录D 的示例)。在这种情况下,软管或纯胶管不带有任何显示本标准编号的标记,而应按OEM 的零部件图样详细标注的识别标记。

Scope

This standard specifies the straight-type or pre-pressurized cold cycle system for the pressurization or decompression cold cycle system with 1,2-ethylene glycol as the coolant in the internal combustion engine (see GB/T 3730.2) with a dead weight of 3.5 t or less. Formed hose or pure rubber hose. This standard can be used as a classification method so that the original equipment manufacturer (OEM) can carry out detailed labeling of special tests not included in the main types specified (see an example in Appendix D). In this case, the hose or pure rubber hose does not have any markings showing the number of this standard, but should be marked with identification marks in detail according to the OEM's parts drawings.