1、GB/T15329.1-20034材料和结构4.1软管软管应由耐液压流体的橡胶内衬层、一层或多层织物增强层和耐油耐天候的橡胶外覆层组成。软管应无需除掉外覆层就能装配管接头。4.2软管组合件软管组合件只应使用其功能已按本部分6.1、6.3、6.4和6.5验证的管接头制造。装配应遵循制造厂关于正确准备和装配软管组合件的说明书。5尺寸5.1直径和同心度当按GB/T9573测量时，软管的内径和外径应符合表1给出的值。当按GB/T9573测量时，软管的同心度应符合表2给出的值。表1软管的尺寸内径/mm外径/mm公称所有型别1型2型3型R6型R3型内径最小最大最小最大最小最大最小量大最小最大最小最大54.
2、45.210.011.611.012.612.013.510.311.911.913.56.35.96.911.613.212.614.213.615.211.913.513.515.187.48.413.114.714.115.716.117.713.515.116.7183109.010.014.716.315.717.317.719.315.116.718.319.812.512.113.317.719.718.720.720.722.719.020.623.024.61615.316.521.923.922.924.924.926.922.223.826.227.81918.219.8
3、26.028.028.030.025.427.831.032.52524.626.232.935.934.437.4一一36.939.331.530.832.840.843.842.946.03837.139.147.651.65149.851.860.364.36058.861.270.074.08078.881.291.596.510098.6101.4113.5118.5表2软管的同心度公称内径内径与外径之间的最大壁厚偏差/mm6.3及以下0.86.3以上但小于或等于191.019以上1.35.2长度软管及软管组合件的供货长度由制造厂和采购方商定。注：软管及软管组合件的推荐供货长度参见附录C,
