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Gasket Dimensions for Class 400

Dimensions as per ASME B16.21 for ASME 16.5 Flanges

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Nominal Diameter 

 Inside Diameter

 Outside Diameter

 1/2"

 .084"

 2.12"

 3/4"

 1.06"

2.62

 1"

 1.31"

 2.88"

 1-1/4"

 1.66"

 3.25"

 1-1/2"

 1.91"

 3.75"

 2"

 2.38"

 4.38"

 2-1/2"

 2.88"

 5.12"

 3"

 3.50"

 5.88"

 3-1/2"

 4.00"

 6.38"

 4"

 4.50"

 7.00"

 5"

 5.56"

 8.38"

 6"

 6.62"

 9.75"

 8"

 8.62"

 12.00"

 10"

 10.75"

 14.12"

 12"

 12.75"

 16.50"

 14"

 14.00"

 19.00"

 16"

 16.00"

 21.12"

 18"

 18.00"

 23.38"

 20"

 20.00"

 25.50"

 24"

 24.00"

 30.25"

NOTE: The data setforth in this brochure is typical. The user's specific application should be combined with an independent study and evaluation for the materials suitability. For recommendations please contact UFC Fluorogreen. Selecting the wrong sealing products could result in property damage and/orpersonal injury. We assume no responsibility for errors contained in this brochure.