Pipe Spacing - Flange to Flange for ANSI Class 150 to 400

Written by Matt Milbury. Posted in Pipe Spacing Datasheets

Pipe Spacing - Flange to Flange for ANSI Class 150 to 400 Datasheet

data pipe spacing flange to flange

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