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1、1.orpersona1.useon1.yinstudyandresearch;notforcommercia1.use英寸与毫米换算表英寸(in)(分数英寸)英寸(in)(小数英寸)毫米(mm)英寸(in)(分数英寸)英寸(in)(小数英寸)毫米(mm)1/2().500012.7(X)3/640.0468751.1911/40.25006.3505/640.0781251.9843/40.750019.0507/640.1093752.7781/80.12503.1759/640.1406253.5723/8037509.52511/640.1718754.3665/80.625015.8
2、7513/640.2031255.1597/80.875022.22515/640.2343755.9531/16().06251.58817/640.2656256.7473/160.18754.76319/640.2968757.5415/16031257.93821/6403281258.3347/160.437511.11323/6403593759.1289/160.562514.28825/64039()6259.92211/160.687517.46327/640.42187510.71613/160.812520.63829/640.45312511.50915/160.937
3、523.81331/640.48437512.3031/320.031250.79433/640.51562513.0973/320.093752.38135/640.54687513.8915/320.156253.96937/640.57812514.6847/320.218755.55639/640.60937515.4789/320.281257.14441/640.64062516.27211/320.343758.73143/640.67187517.()6613/320.4()62510.31945/640.70312517.85915/320.4687511.90647/640
4、.73437518.65317/320.5312513.49449/640.76562519.44719/320.5937515.08151/640.79687520.24121/320.6562516.66953/640.82812521.03423/320.7187518.25655/640.85937521.82825/320.7812519.84457/640.89()62522.62227/320.8437521.43159/640.92187523.41629/320.9062523.01961/640.95312524.20931/320.9687524.60663/640.98
5、437525.0031/640.0156250.39764/641.(XX)(XX)25.4004分、6分、1寸是英制说法。4分管是G1/2英寸的俗称；6分管是G3/4英寸的俗称。公称通径DN/mm俗称相当管螺纹/in外径D/mm1013.51722273480 5 0 56 112 2管管管管管管分分分分分寸 1 2 3 4 6 184 8 2 41/1/3 1 3 1、6“管和4”管，分别是直径为15Omm和IOOmm的管子；家用的暖气管、自来水管，一般都是4分管（直径为15mm）,与之相配套的水龙头、管件（例如阀门、弯头、三通、堵头等等）也都是4分管的。？4,DN1.OO?仅供个人用于学
6、习、研究；不得用于商业用途。Forpersona1.useon1.yinstudyandresearch;notforcommercia1.use.Nurfurdenperson1.ichenfurStudien1Forschung1zukommerzie1.1.enZweckenverwendetwerde.PourI6tudeetIarechercheiquementadesfinspersone1.1.es;pasadesfinscommercia1.es.TCM1.bKo/viaK)Ae讯oopbeHCnOib3yrc夕a。806y1.IeHH凡HCcneAOBaHH丘nHeAoJ1.*hhncob3BabCf1.bKOMMepHeCKMX1.ef1.X.以下无正文
