Bolt Sizes For Flanges

  • October 2019
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ANSI B 16.5 150 CLASS FLANGE Size Size (NB) OD of the Pipe ID of the FLG OD of the FLG ½" 15 21.3 22.4 89 ¾" 20 26.7 27.7 98 1" 25 33.4 34.5 108 1¼" 32 42.2 43.2 117 1½" 40 48.3 49.5 127 2" 50 60.3 62 152 2½" 65 73 74.7 178 3" 80 88.9 90.7 190 4" 100 114.3 116.1 229 5" 125 141.3 143.8 254 6" 150 168.3 170.7 279 8" 200 219.1 221.5 343 10" 250 273.1 276.4 406 12" 300 323.9 327.5 483 14" 350 355.6 359.6 533 16" 400 406.4 410.5 597 18" 450 457.2 461.8 635 20" 500 508 513.1 699 24" 600 609 616 813

PCD 60.3 69.8 79.4 88.9 98.4 120.6 139.7 152.4 190.5 215.9 241.3 298.4 362 431.8 476.2 539.8 577.8 635 749.3

Butterfly Valve 150 NB 100 NB 80 NB 65 NB 50 NB 40 NB

126 M 20 x 150 118 M16 x 125 111 M16 x 125 109 M16 x 125 98 M16 x 115 87 M12 x 100

Flanges 15

11.1

32

42 M 12 x 50

RF Ø No.of Holes Hole Ø 35 4 16 43 4 16 51 4 16 63 4 16 73 4 16 93 4 20 105 4 20 127 4 20 157 8 20 186 8 22.2 216 8 22.2 269 8 22.2 324 12 25.4 381 12 25.4 413 12 28.6 470 16 28.6 533 16 32 584 20 32 692 20 34.9

Bolt Ø Bolt LG.(MS) Bolt LG.for BFV Bolt LG.(MSRL) Bolt LG.for BFV Thk. Bolt Ø Bolt Ø Inches MM Inches MM Inches MM Inches MM 11.1 ½" M 12 2" 50 2½" 65 ½" M 12 2½" 65 13 2½" 65 14.3 ½" M 12 2½" 65 3 80 ½" M 12 2½" 65 16 3 80 ½" M 12 18 3 80 4½" 115 3 80 5 125 19 5/8" M 16 3 80 5 125 3½" 90 5 125 22.2 5/8" M 16 3½" 90 5 125 3½" 100 5½" 140 24 5/8" M 16 3½" 90 5½" 140 4 100 6 150 24 5/8" M 16 3½" 90 6 150 4 100 6 150 ¾" M 20 3½" 90 25 6 150 4 100 6 150 25.4 ¾" M 20 4 100 6 150 4 100 6½" 165 ¾" M 20 29 4 100 6½" 165 4½" 115 6½" 165 30.2 7/8" M 22 4½" 115 7 175 4½" 115 7½" 190 32 7/8" M 22 4½" 115 7½" 190 5 125 8 200 35 1" 5 125 8 200 5 125 8½" 215 36.5 1" 5 125 9 225 5½" 140 9½" 240 40 1 1/8" 5½" 140 10 250 6 150 10½" 265 43 1 1/8" 6 150 6 150 48 1¼" 6½" 165 6½" 165

20 25 32 40 50 65 80 100 125 150 200 250 300

13 14.3 16 18 19 22.2 24 24 25 25.4 29 30.2 32

35 38 41 45 47 54 57 57 59 60 67 70 73

45 M 12 x 50 48 M 12 x 65 51 M 12 x 65 55 M 12 x 65 57 M 12 x 65 64 M 16 x 75 67 M 16 x 75 67 M 16 x 75 69 M 20 x 90 70 M 20 x 90 77 M 20 x 90 80 M 22 x 90 83 M 22 x 90

ANSI B 16.5 150 CLASS FLANGE Size Size (NB) OD of the Pipe ID of the FLG OD of the FLG ½" 15 95 ¾" 20 105 1" 25 115 1¼" 32 140 1½" 40 150 2" 50 165 2½" 65 185 3" 80 200 4" 100 220 5" 125 250 6" 150 285 8" 200 340 10" 250 405 12" 300 460 14" 350 520 16" 400 580 18" 450 640 20" 500 715 24" 600 840

PCD 65 75 85 100 110 125 145 160 180 210 240 295 355 410 470 525 585 650 770

Butterfly Valve 150 NB 100 NB 80 NB 65 NB 50 NB 40 NB

126 M 20 x 150 118 M16 x 125 111 M16 x 125 109 M16 x 125 98 M16 x 115 87 M12 x 100

Flanges 15 20 25 32 40 50 65 80 100 125 150 200 250 300

11.1 13 14.3 16 18 19 22.2 24 24 25 25.4 29 30.2 32

32 35 38 41 45 47 54 57 57 59 60 67 70 73

42 M 12 x 50 45 M 12 x 50 48 M 12 x 65 51 M 12 x 65 55 M 12 x 65 57 M 12 x 65 64 M 16 x 75 67 M 16 x 75 67 M 16 x 75 69 M 20 x 90 70 M 20 x 90 77 M 20 x 90 80 M 22 x 90 83 M 22 x 90

Bolt Ø Bolt LG RF Ø No.of Holes Hole Ø Thk. Bolt Ø Bolt Ø Inches 4 14 4 14 4 14 4 18 4 18 4 18 4 18 8 18 8 18 8 18 8 23 12 23 12 27 12 27 16 27 16 30 20 30 20 33 20 36

Bolt LG MM

BOLT SIZES FOR FLANGES ANSI ASA-150 SIZE-NB 15 20 25 32 40 50 65 80 100 125 150 200 250 300

OD 89 98 108 117 127 152 178 190 229 254 279 343 406 483

ID 21.4 27 34.1 42.9 48.4 62 77 88.9 114.3 141 165.1 222 277 327

NH 4 4 4 4 4 4 4 4 8 8 8 8 12 12

PCD Hole Ø 60.5 15 70 15 79.5 15 89 15 98.5 15 120.5 19 152.5 19 152.5 19 190.5 19 216 22 241.5 22 298.5 22 362 25 432 25

THK 11.2 12.7 14.3 15.9 17.5 22.3 22.3 23.9 24 24 25.4 28.6 30.2 31.8

BOLTS FOR FLG-FLG (Include +3 Gasket) Size Length Qty 0.5 1.8 4 0.5 1.9 4 0.5 2.1 4 0.5 2.2 4 0.5 2.3 4 0.63 2.9 4 0.63 2.9 4 0.63 3 4 0.63 3 8 0.88 3.1 8 0.88 3.2 8 0.88 3.5 8 0.88 3.7 12 0.88 3.8 12

ANSI B 16.5 150 CLASS FLANGE Size Size (NB) OD of the Pipe ID of the FLG OD of the FLG ½" 15 21.3 24.3 90 ¾" 20 26.7 29.7 98 1" 25 33.4 36.4 108 1¼" 32 42.2 45.2 117 1½" 40 48.3 51.3 127 2" 50 60.3 63.3 152 2½" 65 73 76 178 3" 80 88.9 91.9 191 4" 100 114.3 117.3 229 5" 125 141.3 144.3 254 6" 150 168.3 171.3 279 8" 200 219.1 222.1 343 10" 250 273.1 276.1 406 12" 300 323.9 326.9 483 14" 350 355.6 358.6 533 16" 400 406.4 409.4 597 18" 450 457.2 460.2 635 20" 500 508 511 699 24" 600 609 612 813

PCD 60 70 79 90 98 121 140 152 191 216 241 298 362 432 476 540 578 635 749

MS RF Ø No.of Holes Hole Ø Thk. Bolt Ø Bolt LG.(MS) Bolt LG.for BFV 35 4 16 11 ½" 2 43 4 16 13 ½" 2½" 51 4 16 14 ½" 2½" 63 4 16 16 ½" 2½" 73 4 16 18 ½" 3 4½" 5/8" 93 4 20 19 3 5 105 4 20 22 5/8" 3½" 5 127 4 20 24 5/8" 3½" 5½" 5/8" 157 8 20 24 3½" 6 186 8 22 25 ¾" 3½" 6 216 8 22 29 ¾" 4 6 269 8 22 29 ¾" 4 6½" 7/8" 324 12 25 30 4½" 7 381 12 25 32 7/8" 4½" 7½" 413 12 28 35 1" 5 8 470 16 28 36 1" 5 9 533 16 32 40 1 1/8" 5½" 10 584 20 32 43 1 1/8" 6 692 20 34 48 1¼" 6½"

MSRL Bolt LG.(MSRL) Bolt LG.for BFV 2½" 2½" 3 3 3 5 3½" 5 3½" 5½" 4 6 4 6 4 6 4 6½" 4½" 6½" 4½" 7½" 5 8 5 8½" 5½" 9½" 6 10½" 6 6½"

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