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Pipe Spacing - Flange to Flange for ANSI Class 900 to 900

 

Pipe Spacing - Flange to Flange for ANSI Class 900 to 900

  • Pipe spacing is figured for 1 inch between flanges.  Dimensions are from center of pipe to center of pipe.
Pipe Size

(NPS)

11 1/222 1/233 1/24681012141618202224
1/2 - - - - - - - - - - - - - - - - -
3/4 - - - - - - - - - - - - - - - - -
1 6 7/8 7 7/16 8 3/16 8 3/4 8 11/16 - 9 11/16 11 7/16 13 3/16 14 11/16 15 15/16 16 9/16 17 13/16 19 7/16 20 13/16 - 24 7/16
1 1/4 - - - - - - - - - - - - - - - - -
1 1/2 - 8 8 3/4 9 5/16 9 1/4 - 10 1/4 12 13 3/4 15 1/4 16 1/2 17 1/8 18 3/8 20 21 3/8 - 25
2 - - 9 1/2 10 1/6 10 - 11 12 3/4 14 1/2 16 17 1/4 17 7/8 19 1/8 20 3/4 20 1/8 - 25 3/4
2 1/2 - - - 10 5/8 10 9/16 - 11 9/16 1 5/16 15 1/16 16 9/16 17 13/16 18 7/16 19 11/16 21 5/16 20 11/16 - 26 5/16
3 - - - - 10 1/2 - 11 1/2 13 1/4 15 16 1/2 17 3/4 18 3/8 19 5/8 21 1/4 20 5/8 - 26 1/4
3 1/2 - - - - - - - - - - - - - - - - -
4 - - - - - - 12 1/2 14 1/4 16 17 1/2 18 3/4 19 3/8 20 5/8 22 1/4 23 5/8 - 27 1/4
5 - - - - - - - - - - - - - - - - -
6 - - - - - - - 16 17 3/4 19 1/4 20 1/2 21 1/8 22 3/8 24 25 3/8 - 29
8 - - - - - - - - 19 1/2 21 22 1/4 22 7/8 24 1/8 25 3/4 27 1/8 - 30 3/4
10 - - - - - - - - - 22 1/2 23 3/4 24 3/8 25 5/8 27 1/4 28 5/8 - 32 1/4
12 - - - - - - - - - - 25 25 5/8 26 7/8 28 1/2 29 7/8 - 33 1/2
14 - - - - - - - - - - - 26 1/4 27 1/2 29 1/8 30 1/2 - 34 1/8
16 - - - - - - - - - - - - 28 1/2 30 3/8 31 3/4 - 35 3/8
18 - - - - - - - - - - - - - 32 33 3/8 - 37
20 - - - - - - - - - - - - - - 34 3/4 - 38 3/8
22 - - - - - - - - - - - - - - - - -
24 - - - - - - - - - - - - - - - - 42

data pipe spacing flange to flange 

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