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Dims of Grooved (Camprofile) Gaskets ASME B16.20 to be used with Raised Face flanges ASME B16.5

Dimensions of Grooved (Camprofile) Gaskets
Class 150 - 400
NPS d1 d2 d3
150 300 400
1/2 23 33.3 44.4 50.8 50.8
3/4 28.6 39.7 53.9 63.5 63.5
1 36.5 47.6 63.5 69.8 69.8
44.4 60.3 73 79.4 79.4
52.4 69.8 82.5 92.1 92.1
2 69.8 88.9 101.6 108 108
82.5 101.6 120.6 127 127
3 98.4 123.8 133.4 146.1 146.1
111.1 136.5 158.8 161.9 158.7
4 123.8 154 171.5 177.8 174.6
5 150.8 182.6 193.7 212.7 209.5
6 177.8 212.7 219.1 247.7 244.5
8 228.6 266.7 276.2 304.8 301.6
10 282.6 320.7 336.5 358.8 355.6
12 339.7 377.8 406.4 419.1 415.9
14 371.5 409.6 447.7 482.6 479.4
16 422.3 466.7 511.2 536.6 533.4
18 479.4 530.2 546.1 593.7 590.5
20 530.2 581 603.2 650.9 644.5
24 631.8 682.6 714.4 771.5 765.2
Grooved (Camprofile) Gasket
Class 600 - 2500
NPS d1 d2 d3
600 900 1500 2500
1/2 23 33.3 50.8 60.3 60.3 66.7
3/4 28.6 39.7 63.5 66.7 66.7 73
1 36.5 47.6 69.8 76.2 76.2 82.5
44.4 60.3 79.4 85.7 85.7 101.6
52.4 69.8 92.1 95.2 95.2 114.3
2 69.8 88.9 108 139.7 139.7 142.8
82.5 101.6 127 161.9 161.9 165.1
3 98.4 123.8 146.1 165.1 171.5 193.7
111.1 136.5 158.7      
4 123.8 154 190.5 203.2 206.4 231.7
5 150.8 182.6 238.1 244.5 250.8 276.2
6 177.8 212.7 263.5 285.8 279.4 314.3
8 228.6 266.7 317.5 355.6 349.3 384.1
10 282.6 320.7 369.9 431.8 431.8 473
12 339.7 377.8 454 495.3 517.5 546.1
14 371.5 409.6 488.9 517.5 574.7  
16 422.3 466.7 561.9 571.5 638.1  
18 479.4 530.2 609.6 635 701.7  
20 530.2 581 679.5 695.3 752.4  
24 631.8 682.6 787.4 835 898.5  

General notes:

  • Dimensions are in millimeters unless otherwise indicated.
  • Images shows Grooved Gaskets with Covering Layer and Centering Ring.
  • d1 = Inside diameter.
  • d2 = Outside diameter.
  • d3 = Outside diameter of centering ring.
  • Thickness (t) specified by customer.
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