JB/T 3878.4-1985 插入焊接式锐角三通管接头

中华人民共和国机工业部部标准JB3878。4-85插入焊接式锐角三通管接头本标准规定了插入焊接式锐角三通管接头,适用于油、气为介质的管路系统。其余1L.标记示例:管子外径D为28mm的插入焊接式锐角三通管接头管接头28JB38784-85公称压力钢管外径重量d +0.5D,I D2HILLinr2barD十0.4g181018.53829171280058636201120.540301913830.670L60122254321920.8523251425.546341595400.97022281628.549361610245盛机械工业部19急5-0206发布1985-07-01实施442JB387喜4-85续表公称压力钢管外径重量d」+0.5DHLaF0,4kg321832.55439113491,454251735223555944121561.809402640.56550133602,432818422842.568531382732160503450.578613020155763.8396345|64937434221809058707656771139237242101105|10.0059065911301044126239128614283技术条件按JB38788-85的规定。443