Spiral Wound Gaskets - conform to API 601 to suit ASME/ASNI B16.5 flanges

All dimension in millimeters

Nominal d1  d2 d3 d4
Pipe size inch 150 -
300
400 -
600
900 1500 2500 150-
300
400-
600
900 1500 2500 150 -
600
900 2500 150 300 400 600 900 1500 2500
1/2" 14.3 14.3 14.3 14.3 14.3 19.0 19.0 19.0 19.0 19.0 31.8 31.8 31.8 47.8 54.1 54.1 54.1 63.5 63.5 69.8
3/4" 20.7 20.7 20.7 20.7 20.7 25.4 25.4 25.4 25.4 25.4 39.6 39.6 39.6 57.2 66.8 66.8 66.8 69.8 69.8 76.2
1" 27.0 27.0 27.0 27.0 27.0 31.8 31.8 31.8 31.8 31.8 47.8 47.8 47.8 66.8 73.2 73.2 73.2 79.5 79.5 85.8
1 1/4" 38.1 38.1 33.3 33.3 33.3 47.8 47.8 39.6 39.6 39.6 60.4 60.4 60.4 76.2 82.6 82.6 82.6 88.9 88.9 104.9
1 1/2" 44.5 44.5 41.4 41.4 41.4 54.1 54.1 47.8 47.8 47.8 69.8 69.8 69.8 85.8 95.2 95.2 95.2 98.6 98.6 117.6
2" 55.6 55.6 52.3 52.3 52.3 69.8 69.8 58.7 58.7 58.7 85.8 85.8 85.8 104.9 111.2 111.2 111.2 143.0 143.0 146.0
2 1/2" 66.7 66.7 63.5 63.5 63.5 82.6 82.6 69.8 69.8 69.8 98.6 98.6 98.6 124.0 130.3 130.3 130.3 165.1 165.1 168.4
3' 81.0 81.0 81.0 81.0 81.0 101.6 101.6 95.2 92.2 92.2 120.6 120.6 120.6 136.6 149.4 149.4 149.4 168.4 174.8 196.8
4" 106.4 106.4 106.4 106.4 106.4 127.0 120.6 120.6 117.6 117.6 149.4 149.4 149.4 174.8 181.1 177.8 193.8 206.5 209.6 235.0
5" 131.8 131.8 131.8 131.8 131.8 155.7 147.6 147.6 143.0 143.0 177.8 177.8 177.8 196.8 215.9 212.8 241.3 247.6 254.0 279.4
6" 157.2 157.2 157.2 157.2 157.2 182.6 174.8 174.8 171.4 171.4 209.6 209.6 209.6 222.2 251.0 247.6 266.7 289.0 282.7 317.5
8" 215.9 209.6 209.6 206.2 200.2 233.4 225.6 222.2 215.9 215.9 263.6 257.3 257.3 279.4 308.1 304.8 320.8 358.9 352.6 387.4
10" 268.3 260.4 260.4 257.8 247.6 287.3 274.6 276.4 266.7 270.0 317.5 311.2 311.2 339.8 362.0 358.9 400.0 435.1 435.1 476.2
12" 317.5 317.5 314.4 314.4 292.1 339.8 327.2 323.8 323.8 317.5 374.6 368.3 368.3 409.7 422.4 419.1 457.2 498.6 520.7 549.4
14" 349.3 349.3 342.9 339.8 - 371.6 362.0 355.6 362.0 - 406.4 400.0 - 450.8 485.9 482.6 492.2 520.7 577.8 -
16" 400.0 400.0 393.7 387.4 - 422.4 412.8 412.8 406.4 - 463.6 457.2 - 514.4 539.8 536.7 565.2 574.8 641.4 -
18" 449.3 449.3 444.5 438.2 - 474.7 469.9 463.6 463.6 - 527.0 520.7 - 549.4 596.9 593.8 612.9 638.3 704.8 -
20" 500.0 500.0 495.3 489.0 - 525.5 520.7 520.7 514.4 - 577.8 571.5 - 606.6 654.0 647.7 682.8 698.5 755.6 -
24" 603.3 603.3 603.3 577.8 - 628.6 628.6 628.6 577.8 - 685.8 679.4 - 717.6 774.7 768.4 790.7 838.2 901.7 -