公称壁厚enmm
标准尺寸比
SDR33 SDR21 SDR17 SDR13.6 SDR11 公称压力,MPa 0.4 0.6 0.8 1.0 1.25 16 - - - - - 20 - - - - - 25 - - - - 2.3 32 - - - - 3.0 40 - - - - 3.7 50 - - - - 4.6 63 - - - 4.7 5.8 75 - - 4.5 5.6 6.8 90 - 4.3 5.4 6.7 8.2 110 - 5.3 6.6 8.1 10.0 125 - 6.0 7.4 9.2 11.4 140 4.3 6.7 8.3 10.3 12.7 160 4.9 7.7 9.5 11.8 14.6 180 5.5 8.6 10.7 13.3 16.4 200 6.2 9.6 11.9 14.7 18.2 225 6.9 10.8 13.4 16.6 20.5 250 7.7 11.9 14.8 18.4 22.7 270 8.6 13.4 16.6 20.6 25.4 315 9.7 15.0 18.7 23.2 28.6 355 10.9 16.9 21.1 26.1 32.2 400 12.3 19.1 23.7 29.4 36.3 450 13.8 21.5 26.7 33.1 40.9 500 15.3 23.9 29.7 36.8 45.4 560 17.2 26.7 33.2 41.2 50.8 630 19.3 30.0 37.4 46.3 57.2 710 21.8 33.9 42.1 52.2 800 24.5 38.1 47.4 58.8 900 27.6 42.9 53.3 1000 30.6 47.7 59.3
公称壁厚enmm
标准尺寸比
SDR33 SDR26 SDR17.6 SDR13.6 SDR11 公称压力,MPa 0.32 0.4 0.6 0.8 1.0 16 - - - - 2.3 20 - - - 2.3 2.3 25 - - 2.3 2.3 2.3 32 - - 2.3 2.4 2.9 40 - 2.3 2.3 3.0 3.7 50 - 2.3 2.9 3.7 4.6 63 2.3 2.5 3.6 4.7 5.8 75 2.3 2.9 4.3 5.6 6.8 90 2.8 3.5 5.1 6.7 8.2 110 3.4 4.2 6.3 8.1 10.0 125 3.9 4.8 7.1 9.2 11.4 140 4.3 5.4 8.0 10.3 12.7 160 4.9 6.2 9.1 11.8 14.6 180 5.5 6.9 10.2 13.3 16.4 200 6.2 7.7 11.4 14.7 18.2 225 6.9 8.6 12.8 16.6 20.5 250 7.7 9.6 14.2 18.4 22.7 270 8.6 10.7 15.9 20.6 25.4 315 9.7 12.1 17.9 23.2 28.6 355 10.9 13.6 20.1 26.1 32.2 400 12.3 15.3 22.7 29.4 36.3 450 13.8 17.2 25.5 33.1 40.9 500 15.3 19.1 28.3 36.8 45.4 560 17.2 21.4 31.7 41.2 50.8 630 19.3 24.1 35.7 46.3 57.2 710 21.8 27.2 40.2 52.2 800 24.5 30.6 45.3 58.8 900 27.6 34.4 51.0 1000 30.6 38.2 56.6
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