PE管材规格：
公称外径dn,mm 公称壁厚en,mm
标准尺寸比
SDR26 SDR21 SDR17 SDR13.6 SDR11
公称压力，Mpa
0.6 0.8 1 1.25 1.6
32 - - - - 3
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 4.2 5.3 6.6 8.1 10
125 4.8 6 7.4 9.2 11.4
140 5.4 6.7 8.3 10.3 12.7
160 6.2 7.7 9.5 11.8 14.6
180 6.9 8.6 10.7 13.3 16.4
200 7.7 9.6 11.9 14.7 18.2
225 8.6 10.8 13.4 16.6 20.5
250 9.6 11.9 14.8 18.4 22.7
280 10.7 13.4 16.6 20.6 25.4
315 12.1 15 18.7 23.2 28.6
355 13.6 16.9 21.1 26.1 32.2
400 15.3 19.1 23.7 29.4 36.3
450 17.2 21.5 26.7 33.1 40.9
500 19.1 23.9 29.7 36.8 45.4
560 21.4 26.7 33.2 41.2 50.8
630 24.1 30 37.4 46.3 57.2
710 27.2 33.9 42.1 52.2 -
800 30.6 38.1 47.4 58.8 -
900 34.4 42.9 53.3 - -
1000 38.2 47.7 59.3 - -
