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



 
Class 150 - 400
NPSd1d2d3
150300400
1/22333.344.450.850.8
3/428.639.753.963.563.5
136.547.663.569.869.8
44.460.37379.479.4
52.469.882.592.192.1
269.888.9101.6108108
82.5101.6120.6127127
398.4123.8133.4146.1146.1
111.1136.5158.8161.9158.7
4123.8154171.5177.8174.6
5150.8182.6193.7212.7209.5
6177.8212.7219.1247.7244.5
8228.6266.7276.2304.8301.6
10282.6320.7336.5358.8355.6
12339.7377.8406.4419.1415.9
14371.5409.6447.7482.6479.4
16422.3466.7511.2536.6533.4
18479.4530.2546.1593.7590.5
20530.2581603.2650.9644.5
24631.8682.6714.4771.5765.2
NPSd1d2150300400
d3
Class 600 - 2500
NPSd1d2d3
60090015002500
1/22333.350.860.360.366.7
3/428.639.763.566.766.773
136.547.669.876.276.282.5
44.460.379.485.785.7101.6
52.469.892.195.295.2114.3
269.888.9108139.7139.7142.8
82.5101.6127161.9161.9165.1
398.4123.8146.1165.1171.5193.7
111.1136.5158.7.........
4123.8154190.5203.2206.4231.7
5150.8182.6238.1244.5250.8276.2
6177.8212.7263.5285.8279.4314.3
8228.6266.7317.5355.6349.3384.1
10282.6320.7369.9431.8431.8473
12339.7377.8454495.3517.5546.1
14371.5409.6488.9517.5574.7...
16422.3466.7561.9571.5638.1...
18479.4530.2609.6635701.7...
20530.2581679.5695.3752.4...
24631.8682.6787.4835898.5...
NPSd1d260090015002500
d3
 

 

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.