DIN11850卫生管(外径×壁厚)公差对照表 公称通径DN 第 一 系 列 Serie 1 第 二 系 列 Serie 2 第 三 系 列 Serie 3 管子外径 OD of pipe 外径公差 tolerance of OD 壁厚 thickness of wall 壁厚公差 tolerance of thickness of wall 重量 kg/ m 管子外径 OD of pipe 外径公差 tolerance of OD 壁厚 thickness of wall 壁厚公差 tolerance of thickness of wall 重量 kg/m 管子外径 OD of pipe 外径公差 tolerance of OD 壁厚 thickness of wall 壁厚公差 tolerance of thickness of wall 重量 kg/m 10 12 0.27 13 0.43 14 0.60 15 18 0.42 19 0.66 20 0.90 20 22 ±0.11 0.51 23 ±0.12 0.81 24 ±0.12 1.10 25 28 ±0.14 0.66 29 ±0.15 1.03 30 ±0.15 1.40 32 34 ±0.17 0.82 35 ±0.18 1.26 36 ±0.18 1.70 40 40 ±0.2 0.97 41 ±0.21 1.5 42 ±0.21 2.00 50 52 ±0.26 1.26 53 ±0.27 1.9 54 ±0.27 2.80 65 70 ±0.35 3.43 80 85 ±0.43 4.16 100 104 ±0.78 5.03 125 129 ±0.97 6.36 150 154 ±1.18 7.49 200 204 ±1.53 10.12 1 ±0.1 1.5 ±0.15 2 ±0.20 2 ±0.20 WWW.LYSF.COM *DIN11850 standard pipe,Called as normal diameter (DN) in Germany can be divded into the size standard(OD×thickness of wall) of three series and expressed as follows: *以(DN)通径为称呼的德国DIN11850标准管道,根据使用条件和场合的不同分为三个系列 (外径×壁厚)的尺寸标准,如下表所示: 在外径的极限公差(偏差)中含有不圆度。
管外径及壁厚(例如在沿边焊接时)的 更好的极限公差(偏差)需要另外商定管子终端需光滑(平整),并去毛刺 1.按照DIN EN ISO 1127公差等级D4(包括DNBO7),公差等级D3(DN1007)的规定; 2.按照DIN EN ISO 1127公差等级T5(壁厚1mm),T4(壁厚1.5mm)及T3(壁厚 2mm)的规定 The limit tolerance (deviation of outer diameter has out of roundness, The better limit tolerance of outer diameter and thickness of wall (e.g.weld edgewise) should be discussed.The end of pipe should be smooth(level)and deburred. 1.According to the regulations of tolerance grade of D4(including DNBO) and D3(DN1007) in DIN EN ISO 1127. 2.According to the regulations of tolerance grade of T5 (thickness of wall 1 mm)and T4 (thickness of wall 1.5mm)and T3 (thickness of wall 2 mm) in DIN EN ISO 1127. ±0.1 ±0.1 ±0.1 。