180° Returns Long Radius 
DN O.D. Center Back SCH STD SCH XS SCH XXS SCH 10 SCH 20 SCH 30 SCH 40 SCH 60 SCH 80 SCH 100 SCH 120 SCH 160
Inch mm to  to Face
    Center mm Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight Thickness Weight
    mm   mm kg mm kg mm kg mm kg mm kg mm kg mm kg mm kg mm kg mm kg mm kg mm kg
  D O K T   T   T   T   T   T   T   T   T   T   T   T  
1/2" 21 76 48 2.77 0.15 3.73 0.18 7.47 0.37             2.77 0.15     3.73 0.18         4.78 0.22
3/4" 27 57 43 2.87 0.16 3.91 0.20 7.82 0.43             2.87 0.16     3.91 0.20         5.56 0.27
1" 33 76 56 3.38 0.31 4.55 0.38 9.09 0.62             3.38 0.31     4.55 0.38         6.35 0.49
1 ¼" 42 95 70 3.56 0.55 4.85 0.73 9.70 1.00             3.56 0.55     4.85 0.73         6.35 0.81
1 ½" 48 114 83 3.68 0.81 5.08 1.07 10.16 1.61             3.68 0.81     5.08 1.07         7.14 1.41
2" 60 152 106 3.91 1.35 5.54 1.81 11.07 3.32             3.91 1.35     5.54 1.81         8.74 3.10
2 ½" 73 191 132 5.16 2.62 7.01 3.38 14.02 6.43             5.16 2.62     7.01 3.38         9.53 4.60
3" 89 229 159 5.49 4.18 7.62 5.33 15.24 10.25             5.49 4.18     7.62 5.33         11.13 8.30
3 ½" 102 267 184 5.74 5.87 8.08 7.96                 5.74 5.87     8.08 7.96            
4" 114 305 210 6.02 7.94 8.56 10.85 17.12 20.90             6.02 7.94     8.56 10.85     11.13 14.50 13.49 17.30
5" 141 381 262 6.55 13.40 9.53 18.76 19.05 34.64             6.55 13.40     9.53 18.76     12.70 25.50 15.88 31.10
6" 168 457 313 7.11 20.90 10.97 31.14 21.95 63.90             7.11 20.90     10.97 31.14     14.27 42.40 18.26 56.30
8" 219 610 414 8.18 42.00 12.70 62.88 22.22 110.50     6.35 33.45 7.04 27.20 8.18 42.00 10.31 53.30 12.70 62.88 15.09 78.20 18.26 92.60 23.01 114.00
10" 273 762 518 9.27 74.40 12.70 99.25 25.40 198.20     6.35 52.70 7.80 64.30 9.27 74.40 12.70 99.30 15.09 121.20 18.26 146.10 21.44 169.90 28.58 220.40
12" 324 914 619 9.53 108.50 12.70 143.05 25.40 281.30     6.35 75.40 8.38 98.40 10.31 120.60 14.27 165.20 17.48 199.70 21.44 243.10 25.40 281.30 33.32 366.50
14" 356 1067 711 9.53 139.30 12.70 183.84     6.35 96.44 7.92 119.80 9.53 140.10 11.13 167.00 15.09 224.00 19.05 278.70 23.83 345.60 27.79 397.00 35.71 495.30
16" 406 1219 813 9.53 183.20 12.70 241.10     6.35 125.98 7.92 157.30 9.53 183.40 12.70 241.10 16.66 324.10 21.44 409.90 26.19 495.30 30.96 457.10 40.49 735.20
18" 457 1372 914 9.53 233.10 12.70 307.40     6.35 159.53 7.92 199.30 11.13 277.90 14.27 353.60 19.05 467.40 23.83 577.80 29.39 704.20 34.93 827.80 45.24 1042.80
20' 508 1524 1016 9.53 287.90 12.70 382.34     6.35 197.90 9.53 288.50 12.70 381.80 15.09 461.70 20.62 624.90 26.19 785.60 32.54 960.40 38.10 1114.30 50.01 1438.60
22" 559 1676 1118 9.53 350.60 12.70 463.10     6.35 240.30 9.53 350.20 12.70 462.50     22.22 816.40 28.58 1037.60 34.92 1251.70 41.28 1462.70 53.98 1683.70
24" 610 1829 1219 9.53 415.90 12.70 551.50     6.35 285.30 9.53 416.90 14.27 632.90 17.48 771.50 24.61 1075.00 30.96 1335.00 38.89 1657.60 46.02 1937.00 59.54 2511.00