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Reducers, Pipe reducer

A reducer is the component in a pipeline that reduces the pipe size from a larger to a smaller bore (inner diameter).

美标异径管尺寸

公称英寸 公称通径 壁厚/理论重量
Sch.20 Sch.30 Std Sch.40
  D1 D2 t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg
1×3/4 33.4 26.7             3.38 2.87 0.14 3.38 2.87 0.14
11/2×3/4 48.3 26.7             3.68 2.87 0.22 3.68 2.87 0.22
×1   33.4               3.38 0.24   3.38 0.24
×11/4   42.2               3.56 0.26   3.56 0.26
2×1 60.3 33.4             3.91 3.38 0.37 3.91 3.38 0.37
×11/4   42.2               3.56 0.39   3.56 0.39
×11/2   48.3               3.68 0.41   3.68 0.41
21/2×11/4 73 42.2             5.16 3.56 0.67 5.16 3.56 0.67
×11/2   48.3               3.68 0.68   3.68 0.68
×2   60.3               3.91 0.73   3.91 0.73
3×11/2 88.9 48.3             5.49 3.68 0.86 5.49 3.68 0.86
×2   60.3               3.91 0.91   3.91 0.91
×21/2   73               5.16 0.98   5.16 0.98
4×2 114.3 60.3             6.02 3.91 1.44 6.02 3.91 1.44
×21/2   73               5.16 1.52   5.16 1.52
×3   88.9               5.49 1.59   5.49 1.59
5×21/2 141.3 73             6.55 5.16 2.51 6.55 5.16 2.51
×3   88.9               5.49 2.6   5.49 2.6
×4   114.3               6.02 2.72   6.02 2.72
6×3 168.3 88.9             7.11 5.49 3.63 7.11 5.49 3.63
×4   114.3               6.02 3.72   6.02 3.72
×5   141.3               6.55 3.93   6.55 3.93
8×4 219.1 114.3             8.18 6.02 5.95 8.18 6.02 5.95
×5   141.3               6.55 6.08   6.55 6.08
×6   168.3               7.11 6.31   7.11 6.31
10×5 273 141.3             9.27 6.55 9.9 9.27 6.55 9.9
×6   168.3               7.11 10.1   7.11 10.1
×8   219.1 6.35 6.35 7.89 7.8 7.04 9.62   8.18 10.5   8.18 10.5
12×6 323.9 168.3             9.53 7.11 14.1 10.3 7.11 16.5
×8   219.1 6.35 6.35 10.7 8.38 7.04 14   8.18 14.6   8.18 17.2
×10   273   6.35 11.1   7.8 14.6   9.27 15.2   9.27 17.8
14×8 355.6 219.1 7.92 6.35 23.1 9.53 7.04 27.6 9.53 8.18 26 11.1 8.18 32.1
×10   273   6.35 24.2   7.8 29   9.27 27.4   9.27 33.7
×12   323.9   6.35 25.6   8.38 30.6   9.53 28.8   10.31 35.6
16×8 406.4 219.1 7.92 6.35 27.7 9.53 7.04 33.2 9.53 8.18 31.9 12.7 8.18 43.9
×10   273   6.35 28.8   7.8 34.5   9.27 33.1   9.27 45.7
×12   323.9   6.35 29.9   8.38 35.8   9.53 34.3   10.31 47.4
×14   355.6   7.92 30.5   9.53 36.5   9.53 35.2   11.13 48.3



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