公称外径
(dn) | 各管系列的公称壁厚 | | S6.3 | S5 | S4 | | SDR13.6 | SDR11 | SDR9 | | 20 | 2.2 | 2.3 | 2.5 | | 25 | 2.2 | 2.5 | 2.8 | | 32 | 2.4 | 2.9 | 3.6 | | 40 | 3.0 | 3.7 | 4.5 | | 50 | 3.7 | 4.6 | 5.6 | | 63 | 4.7 | 5.8 | 7.1 | | 75 | 5.6 | 6.8 | 8.4 | | 90 | 6.7 | 8.2 | 10.1 | | 110 | 8.1 | 10.0 | 12.3 | | 140 | 10.3 | 12.7 | 15.7 | | 160 | 11.8 | 14.6 | 17.9 |
| 工作温度 | 压力校正因子 | | oF | oC | | 73-80 | 23-27 | 1.00 | | 90 | 32 | 0.92 | | 100 | 38 | 0.90 | | 120 | 49 | 0.80 | | 140 | 60 | 0.70 | | 160 | 71 | 0.61 | | 180 | 82 | 0.53 | | 200 | 93 | 0.45 |
注：S6.3=PN1.6; S5=PN2.0; S4=PN2.5
| 规格 | 外径 | 壁厚及公差δ | | Size | / | dn | Schedule40 | Schedule80 | | 1/2" | 21.3 | 21.3 | 2.77 | 3.73 | | 3/4" | 26.7 | 26.7 | 2.87 | 3.91 | | 1" | 33.4 | 33.4 | 3.38 | 4.55 | | 11/4" | 42.2 | 42.2 | 3.56 | 4.85 | | 11/2" | 48.3 | 48.3 | 3.68 | 5.08 | | 2" | 60.3 | 60.3 | 3.91 | 5.54 | | 21/2" | 73.0 | 73.0 | 5.16 | 7.01 | | 3" | 88.9 | 88.9 | 5.49 | 7.62 | | 4" | 114.3 | 114.3 | 6.02 | 8.56 | | 5" | 141.3 | 141.3 | 6.55 | 9.52 | | 6" | 168.3 | 168.3 | 7.11 | 10.97
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