圆钢管夹 (JB/ZQ4519-97 系列管子卡箍 ) a D0 公称通径 DN b d2 d3 A h1 a D0 公称通径 DN b d2 d3 A h1 h2 mm in mm in 30 25 20 3/4 40 10 M10 40 70 30 25 20 3/4 40 10 M10 40 70 28 30 28 20 3/4 40 10 M10 40 70 30 28 20 3/4 40 10 M10 40 70 28 38 32 25 1 40 10 M10 48 76 38 32 25 1 40 10 M10 48 76 31 38 34 25 1 40 10 M10 48 76 38 34 25 1 40 10 M10 48 76 31 46 38 32 11/4 50 10 M10 56 86 46 38 32 11/4 50 10 M10 56 86
公称内径 英寸 米重kg 根重kg 米重kg 根重kg DN15 1/2 21.3 2.8 2.450 1.280 7.680 1.357 8.140 DN20 3/4 26.9 2.8 2.450 1.660 9.960 1.760 10.560 DN25 1 33.7 3.2 2.800 2.410 14.460 2.554 15.320 DN32 1.25 42.4 3.5 3.060 3.360 20.160 3.560 21.360 DN40 1.5 48.3 3.5 3.060 3.870 23.220 4.100 24.600 DN50 2 60.3 3.8 3.325 5.290 31.740 5.607 33.640 DN65 2.5 76.1 4.0 3.500 7.110 42.660 7.536 45.210 DN80 3 88.9 4.0 8.380 50.280