常用线管规格简介.pdf

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1、常用穿线线管规格型号线管型号、规格管材种类（图注代公称口径（㎜）外径（㎜）壁厚（㎜）内径（㎜）号）1615.71.213.3电线管2019.71.217.3（KGB）扣压2524.71.222.3式薄壁镀锌3231.61.229.2铁管4039.61.237.21615.71.213.32019.71.217.3电线管（KDG）套接2524.71.222.3紧定式镀锌3231.61.229.2铁管4039.61.237.25049.61.247.21615.71.612.52019.71.616

2、.52524.71.621.53231.61.628.44039.61.636.45049.61.646.41615.871.612.672019.051.615.85电线管（MT）2525.41.622.2黑铁电线管3231.751.628.554038.11.634.95050.81.647.61520.752.515.752026.252.521.2525322.527焊接钢管3240.752.535.75（SC）40462.54150582.55370743688086.5380.510

3、011231061521.252.7515.752026.752.7521.252533.53.25273242.253.2535.7540483.541水煤气钢管50603.5537075.53.75688088.5480.510011441061251404.51311501654.515616161.41320201.516.9聚氯乙烯硬质电线管25251.721.4（PC）（PVC3232227.8中型管）4040235.450502.344.116161.912.220202.115.

4、8聚氯乙烯硬25252.220.6质电线管32322.726.6（PC）（PVC40402.834.4重型管）50503.243.663633.456.21518.72.4513.82021.22.616聚氯乙烯塑2528.52.922.7料波纹电线3234.53.0528.4管（KPC）4042.53.1536.25054.53.846.9