Type R Ring Gaskets and Grooves

R-20 through R-99
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Type R Ring Gaskets and Grooves

*All dimensions are in inches.     *Tolerance as per API - 6A.     *S = Approx. Distance between made-up Flanges.
2 TYPE R RING GASKETS AND GROOVES (AS PER API 6A)
RING NO. øP A B H C R1 E F R2 S
R-20 2.688 0.313 0.56 0.50 0.206 0.06 0.25 0.344 0.03 0.16
R-23 3.250 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-24 3.750 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-26 4.000 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-27 4.250 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-31 4.875 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-35 5.375 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-37 5.875 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-39 6.375 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-41 7.125 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-44 7.625 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-45 8.313 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-46 8.313 0.500 0.75 0.69 0.341 0.06 0.38 0.531 0.06 0.19
R-47 9.000 0.750 1.00 0.94 0.485 0.06 0.50 0.781 0.06 0.16
R-49 10.625 0.438 0.69 0.63 0.305 0.06 0.31 0.439 0.03 0.19
R-50 10.625 0.625 0.88 0.81 0.413 0.06 0.44 0.656 0.06 0.16
R-53 12.750 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-54 12.750 0.625 0.88 0.81 0.413 0.06 0.44 0.656 0.06 0.16
R-57 15.000 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-63 16.500 1.000 1.31 1.25 0.681 0.09 0.62 1.063 0.09 0.22
R-65 18.500 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-66 18.500 0.625 0.88 0.81 0.413 0.06 0.44 0.656 0.06 0.16
R-69 21.000 0.438 0.69 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-70 21.000 0.750 1.00 0.94 0.485 0.06 0.50 0.781 0.06 0.19
R-73 23.000 0.500 0.75 0.69 0.341 0.06 0.38 0.531 0.06 0.13
R-74 23.000 0.750 1.00 0.94 0.485 0.06 0.50 0.781 0.06 0.19
R-82 2.250 0.438 - 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-84 2.500 0.438 - 0.63 0.305 0.06 0.31 0.469 0.03 0.19
R-85 3.125 0.500 - 0.69 0.341 0.06 0.38 0.531 0.06 0.13
R-86 3.563 0.625 - 0.81 0.413 0.06 0.44 0.656 0.06 0.16
R-87 3.938 0.625 - 0.81 0.413 0.06 0.44 0.656 0.06 0.16
R-88 4.875 0.750 - 0.94 0.485 0.06 0.50 0.781 0.06 0.19
R-89 4.500 0.750 - 0.94 0.485 0.06 0.50 0.781 0.06 0.19
R-90 6.125 0.875 - 1.06 0.583 0.06 0.56 0.906 0.06 0.19
R-91 10.25 1.250 - 1.50 0.879 0.09 0.69 0.313 0.09 0.16
R-99 9.250 0.438 - 0.63 0.305 0.06 0.31 0.469 0.03 0.19


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