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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).

国标异径管

表格一:
公称尺寸 公称通径 壁厚/理论重量
Sch.5s Sch.10s Sch.20s Sch.20 Sch.30 Sch.40
D1 D2 t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg
20×15 25 18 1.6 1.6 0.035 2.1 2.1 0.05 2.6 2.6 0.054             2.9 2.9 0.06
25×20 32 25 1.6 1.6 0.045 2.8 2.1 0.11 3.2 2.6 0.12             3.2 2.9 0.12
×15   18   1.6 0.055   2.1 0.09   2.6 0.104               2.9 0.104
32×25 38 32 1.6 1.6 0.079 2.8 2.8 0.13 3.2 3.2 0.151             3.6 3.2 0.167
×20   25   1.6 0.071   2.1 0.12   2.6 0.135               2.9 0.15
×15   18   1.6 0.064   2.1 0.11   2.6 0.12               2.9 0.132
40×32 45 38 1.6 1.6 0.119 2.8 2.8 0.2 3.2 3.2 0.228             3.6 3.6 0.254
×25   32   1.6 0.11   2.8 0.19   3.2 0.211               3.2 0.234
×20   25   1.6 0.1   2.1 0.17   2.6 0.191               2.9 0.212
×15   18   1.6 0.091   2.1 0.15   2.6 0.172               2.9 0.191
50×40 57 45 1.6 1.6 0.175 2.8 2.8 0.3 3.6 3.2 0.377             4 3.6 0.416
×32   38   1.6 0.163   2.8 0.28   3.2 0.351               3.6 0.386
×25   32   1.6 0.153   2.8 0.26   3.2 0.329               3.2 0.362
×20   25   1.6 0.142   2.1 0.24   2.6 0.303               2.9 0.333
65×50 76 57 2 1.6 0.335 3 2.8 0.49 3.6 3.6 0.588 4.5 3.2 0.724       5 4 0.798
×40   45   1.6 0.307   2.8 0.45   3.2 0.537               3.6 0.727
×32   38   1.6 0.29   2.8 0.43   3.2 0.507               3.6 0.686
×25   32   1.6 0.277   2.8 0.47   3.2 0.482               3.2 0.651
80×65 89 76 2 2 0.417 3 3 0.62 4 3.6 0.813 4.5 4.5 0.909       5.6 5 1.11
×50   57   1.6 0.372   2.8 0.55   3.6 0.724   3.2 0.808         4 0.99
×40   45   1.6 0.346   2.8 0.51   3.2 0.67               3.6 0.914
×32   38   1.6 0.33   2.8 0.48   3.2 0.639               3.6 0.811
100×80 108 89 2 2 0.573 3 3 0.85 4 4 1.12 5 4.5 1.39       5.9 5.6 1.62
×65   76   2 0.539   3 0.8   3.6 1.05   4.5 1.3         5 1.52
×50   57   1.6 0.491   2.8 0.73   3.6 0.957   3.2 1.18         4 1.38
×40   45   1.6 0.461   2.8 0.68   3.2 0.898               3.6 1.29
125×100 133 108 2.9 2 1.26 3.4 3 1.47 5 4 2.14 5 5 2.14       6.3 5.9 2.66
×80   89   2 1.17   3 1.37   4 1.98   4.5 1.98         5.6 2.46
×65   76   2 1.11   3 1.3   3.6 1.89   4.5 1.88         5 2.34
×50   57   1.6 1.03   2.8 1.2   3.6 1.73   3.2 1.73         4 2.15
150×125 159 133 2.9 2.9 1.69 3.4 3.4 1.98 5 5 2.86 5.6 5 3.21       7.1 6.3 4.02
×100   108   2 1.56   3 1.83   4 2.65   5 2.96         5.9 3.7
×80   89   2 1.47   3 1.72   4 2.49   4.5 2.78         5.6 3.47
×65   76   2 1.41   3 1.64   3.6 2.38   4.5 2.65         5 3.32
200×150 219 159 2.9 2.9 2.43 4 3.4 3.33 6.3 5 5.17 6.3 5.6 5.17       8 7.1 6.51
×125   133   2.9 2.3   3.4 3.15   5 4.98   5 4.9         6.3 6.12
×100   108   2 2.19   3 2.9   4 4.65   5 4.65         5.9 5.84
250×200 273 219 3.6 2.9 4.55 4 4 5.05 6.3 6.3 7.88 6.3 6.3 7.88 8 7.1 8.36 8.8 8 10.9
×150   159   2.9 4.15   3.4 4.58   5 7.16   5.6 7.16         7.1 9.88
×125   133   2.9 3.98   3.4 4.42   5 6.87   5 6.87         6.3 9.48
×100   108   2 3.83                         8.8 5.9 9.01
300×250 325 273 4 3.6 7 4.5                       10 8.8 17.15
×200   219   2.9 6.52                           8 15.94
×150   159   2.9 6.06                           7.1 14.76
×125   133   2.9 5.86                           6.3 14.26
350×300 377 325 4 4 13.32 5                       11 10 35.9
×250   273   3.6 12.44                           8.8 33.46
×200   219   2.9 11.57                           8 31.07
×150   159   2.9 10.64                           7.1 28.49
400×350 426 377 4 4 16.45 5                       13 11 50.31
×300   325   4 15.5                           10 47.31
×250   273   3.6 14.59                           8.8 44.48
×200   219   2.9 13.69                           8 41.66
450×400 478 426 4 4 19.85 5                       14 12.5 68.84
×350   377   4 18.88                           11 65.41
×300   325   4 17.92                           10 61.98
×250   273   3.6 17                           8.8 58.7
500×450 529 478 5 4 36.77 5.6                       16 14.2 115.05
×400   426   4 34.98                           12.5 109.34
×350   377   4 33.37                           11 104.15
×300   325   4 31.71                           10 98.81
表格二(续):
公称尺寸 壁厚/理论重量
Sch.60 Sch.80 Sch.100 Sch.120 Sch.140 Sch.160
t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg t1 t2 kg
20×15       4 3.6 0.077                   5.6 4.5 0.099
25×20       4.5 4 0.16                   6.3 5.6 0.207
×15         3.6 0.138                     4.5 0.476
32×25       5 4.5 0.222                   6.3 6.3 0.268
×20         4 0.198                     5.6 0.237
×15         3.6 0.173                     4.5 0.206
40×32       5 5 0.339                   7.1 6.3 0.454
×25         4.5 0.312                     6.3 0.416
×20         4 0.282                     5.6 0.372
×15         3.6 0.251                     4.5 0.329
50×40       5.6 5 0.56                   8.8 7.1 0.821
×32         5 0.512                     6.3 0.756
×25         4.5 0.487                     6.3 0.702
×20         4 0.446                     5.6 0.654
65×50       7.1 5.6 1.1                   10 8.8 1.41
×40         5 0.993                     7.1 1.32
×32         5 0.935                     6.3 1.24
×25         4.5 0.885                     6.3 1.17
80×65       8 7.1 1.71                   11 10 2.04
×50         5.6 1.51                     8.8 1.79
×40         5 1.39                     7.1 1.64
×32         5 1.32                     6.3 1.55
100×80       8.8 8 2.35                   14.2 11 3.56
×65         7.1 2.19                     10 3.38
×50         5.6 1.98                     8.8 2.96
×40         5 1.84                     7.1 2.74
125×100       10 8.8 4.09       12.5 11 4.99       16 14.2 6.19
×80         8 3.78                     11 5.68
×65         7.1 3.57                     10 5.35
×50         5.6 3.27                     8.8 4.86
150×125       11 10 6.06       14.2 12.5 7.63       17.5 16 9.17
×100         8.8 5.56         11 6.99         14.2 8.38
×80         8 5.2                     11 7.8
×65         7.1 4.96                     10 7.41
200×150       12.5 11 9.91       17.5 14.2 13.49       22.2 17.5 16.64
×125         10 9.36         12.5 12.71         16 15.64
×100         8.8 8.86         11 11.99         14.2 14.72
250×200 12.5 10 12.8 16 12.5 19.21 17.5 16 17.6 22.2 17.5 25.94 25 20 28.85 28 22.2 31.87
×150         11 15.35         14.2 23.32         17.5 28.53
×125         10 16.6         12.5 22.26         16 27.2
×100         8.8 15.89         11 21.26         14.2 25.89
300×250 14.2 12.5 24 17.5 16 29.24 22.2 17.5 36.47 25 22.2 40.66 28 25 45.04 32 28 50.79
×200   10 22.27   12.5 27.1   16 33.74   17.5 37.57   20 41.57   22.2 46.73
×150         11 24.99         14.2 34.5     38.11   17.5 42.74
×125         10 24.7         12.5 33.21         16 41.05
350×300 16 14.2 51.45 20 17.5 63.55 25.8 22.2 80.54 28 25 86.82 32 28 97.99 36 32 108.86
×250   12.5 47.9   16 59.1   17.5 74.79   22.2 80.57   25 90.9   28 100.79
×200   10 44.4   12.5 54.71   16 69.11   17.5 74.4   20 83.76   22.2 92.82
×150         11 49.99         14.2 67.73         17.5 82.13
400×350 17.5 16 69.54 22.2 20 87.14 28 25.8 108.22 30 28 115.3 36 32 136.17 40 36 149.64
×300   14.2 68.33   17.5 81.78   22.2 101.46   25 108.08   28 127.44   32 139.94
×250   12.5 61.35   16 76.73   17.5 95.5   22.2 101.21   25 119.18   28 130.73
×200   10 57.39   12.5 71.68   16 88.66   17.5 94.63   20 110.89   22.2 121.49
450×400 20 17.5 95.69 25 22.2 118.22 30 28 140.41 36 30 165.86 40 36 182.51 45 40 202.83
×350   16 90.84   20 112.15   25.8 132.91   28 157.09   32 172.76   36 191.84
×300   14.2 85.99   17.5 106.07   22.2 125.6   25 148.28   28 162.6   32 180.8
×250   12.5 81.35   16 100.26   17.5 118.6   22.2 139.84   25 153.55   28 170.17
500×450 20 20 142.64 28 25 196.39 32 30 222.56 40 36 273.48 45 40 304.34 50 45 334.47
×400   17.5 135.49   22.2 186.37   28 221.1   30 259.13   36 288.19   40 316.51
×350   16 129   20 177.26   25.8 200.68   28 246.08   32 273.49   36 300.15
×300   14.2 122.3   17.5 167.87   22.2 189.93   25 232.6   28 258.3   32 283.24



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