PE80级聚乙烯管材公称压力和规格尺寸

公称壁厚en,mm 公称外径 dn,mm 标准尺寸比 SDR33 0.4 16 20 25 32 40 50 63 75 90 110 125 140 160 180 200 225 250 280 315 355 400 450 500 560 630 710 800 900 1000 — — — — — — — — — — — 4.3 4.9 5.5 6.2 6.9 7.7 8.6 9.7 10.9 12.3 13.8 15.3 17.2 19.3 21.8 24.5 27.6 30.6 SDR21 0.6 — — — — — — — — 4.3 5.3 6.0 6.7 7.7 8.6 9.6 10.8 11.9 13.4 15.0 16.9 19.1 21.5 23.9 26.7 30.0 33.9 38.1 42.9 47.7 SDR17 公称压力，MPa 0.8 — — — — — — — 4.5 5.4 6.6 7.4 8.3 9.5 10.7 11.9 13.4 14.8 16.6 18.7 21.1 23.7 26.7 29.7 33.2 37.4 42.1 47.4 53.3 59.3 1.0 — — — — — — 4.7 5.6 6.7 8.1 9.2 10.3 11.8 13.3 14.7 16.6 18.4 20.6 23.2 26.1 29.4 33.1 36.8 41.2 46.3 52.2 58.8 1.25 — — 2.3 3.0 3.7 4.6 5.8 6.8 8.2 10.0 11.4 12.7 14.6 16.4 18.2 20.5 22.7 25.4 28.6 32.2 36.3 40.9 45.4 50.8 57.2 SDR13.6 SDR11