公称 直径DN 英寸 in 外径mm SCH 5S SCH 10S SCH 10 SCH 20 SCH 30 SCH 40S STD SCH 40 SCH 60 SCH 80S ×S SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 ××S 6 1/8 10.29 - 1.24 - - - 1.73 1.73 1.73 2.41 2.41 2.41 - - - - - 8 1/4 13.72 - 1.65 - - - 1.73 1.73 1.73 - 3.02 3.02 3.02 - - - - - 10 3/8 17.14 - 1.65 - - - 2.31 2.31 2.31 - 3.20 3.20 3.20 - - - - - 15 1/2 21.34 1.65 2.11 - - - 2.77 2.77 2.77 - 3.73 3.73 3.73 - -
SCH SCH SCH SCH SCH SCH 5s 10s 20s 40s 80s 20 10 17 1.2 1.6 2 2.5 3.2 15 22 1.6 2 2.5 3 4 20 27 1.6 2 2.5 3 4 25 34 1.6 2.8 3 3.5 4.5 -32 42 1.6 2.8 3 3.5 5 40 48 1.6 2.8 3 4 5 50 60 1.6 2.8 3.5 4 5.5 3.5 -65 76 2 3 3.5 5 7 4.5 80 89 2 3 4 5.5 7.5 4.5 100 114 2 3 4 6 8.5 5 -125 140 2.8 3.5 5 6.5 9.5 5 150 168 2.8 3.5 5 7 11 5.5 200 219 2.8 4 6.5 8 13 6.5 250 273 3.5 4 6.5 9.5 15 6.5 300 325 4 4.5