尺寸 管外徑 管壁厚() 尺寸 管外徑
給水管(1.6Mpa) 給水管(1.0Mpa) 化工管(1.0Mpa) SCH80 SCH40
3/8"
DN15 20.3 2.4 # 2.8 1/2" 21.34 3.7 2.77
DN20 25.3 2.5 # 3.3 3/4" 26.67 3.9 2.87
DN25 32.3 3 # 4.2 1" 33.4 4.6 3.38
DN32 40.3 3.7 2.4 3.5 1-1/4" 42.16 4.9 3.56
DN40 50.3 4.5 2.9 4.2 1-1/2" 48.26 5.1 3.68
DN50 63.3 5.6 3.5 5.4 2" 60.33 5.5 3.91
DN65 75.3 6.6 4.2 6.3 2-1/2" 73.03 7.1 5.16
DN80 90.3 7.8 5 7.5 3" 88.9 7.6 5.49
DN100 110.4 8.4 5.6 9.2 4" 114.3 8.6 6.02
DN125 140.5 9.6 7.1 11.6 5" 141.3 9.5 6.55
DN150 160.5 11 8.1 13.2 6" 168.28 11 7.11
DN200 225.7 12.4 11.3 18.5 8" 219.08 12.7 8.18
DN250 250.8 17.1 12.6 20.5 10" 273.05 15.1 9.27
DN300 316 21.6 15.8 25.8 12" 323.85 17.5 10.31