Dimensions of Type R Octagonal and Oval Ring Gaskets

Expired

R Octagonal & Oval Ring joint gasket dimensions.

Ring Joint Gasket

  Height of Ring  
Ring
Number		 Pitch Diameter of
Ring (P)		 Width of Ring (A) Oval (B) Octagonal (H) Width of Flat on
Octagonal Ring (C)		 Radius in Octagonal
Ring (R1)
inches mm inches mm inches mm inches mm inches mm inches mm
R-11 1.344 34.14 0.250 6.35 0.440 11.2 0.380 9.7 0.170 4.32 0.060 1.5
R-12 1.563 39.70 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-13 1.688 42.88 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-14 1.750 44.45 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-15 1.875 47.63 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-16 2.000 50.80 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-17 2.250 57.15 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-18 2.375 60.33 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-19 2.563 65.10 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-20 2.688 68.28 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-21 2.844 72.24 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-22 3.250 82.55 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-23 3.250 82.55 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-24 3.750 95.25 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-25 4.000 101.60 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-26 4.000 101.60 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-27 4.250 107.95 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-28 4.375 111.13 0.500 12.70 0.750 19.1 0.690 17.5 0.341 8.66 0.060 1.5
R-29 4.500 114.30 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-30 4.625 117.48 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-31 4.875 123.83 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-32 5.000 127.00 0.500 12.70 0.750 19.1 0.690 17.5 0.341 8.66 0.060 1.5
R-33 5.188 131.78 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-34 5.188 131.78 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-35 5.375 136.53 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-36 5.875 149.23 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-37 5.875 149.23 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-38 6.188 157.18 0.625 15.88 0.880 22.4 0.810 20.6 0.413 10.49 0.060 1.5
R-39 6.375 161.93 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-40 6.750 171.45 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-41 7.125 180.98 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-42 7.500 190.50 0.750 19.05 1.000 25.4 0.940 23.9 0.485 12.32 0.060 1.5
R-43 7.625 193.68 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-44 7.625 193.68 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-45 8.313 211.15 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-46 8.313 211.15 0.500 12.70 0.750 19.1 0.690 17.5 0.341 8.66 0.060 1.5
R-47 9.000 228.60 0.750 19.05 1.000 25.4 0.940 23.9 0.485 12.32 0.060 1.5
R-48 9.750 247.65 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-49 10.625 269.88 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-50 10.625 269.88 0.625 15.88 0.880 22.4 0.810 20.6 0.413 10.49 0.060 1.5
R-51 11.000 279.40 0.875 22.23 1.130 28.7 1.060 26.9 0.583 14.81 0.060 1.5
R-52 12.000 304.80 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-53 12.750 323.85 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-54 12.750 323.85 0.625 15.88 0.880 22.4 0.810 20.6 0.413 10.49 0.060 1.5
R-55 13.500 342.90 1.125 28.58 1.440 36.6 1.380 35.1 0.750 19.05 0.090 2.3
R-56 15.000 381.00 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-57 15.000 381.00 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-58 15.000 381.00 0.875 22.23 1.130 28.7 1.060 26.9 0.583 14.81 0.060 1.5
R-59 15.625 396.88 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-60 16.000 406.40 1.250 31.75 1.560 39.6 1.500 38.1 0.879 22.33 0.090 2.3
R-61 16.500 419.10 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-62 16.500 419.10 0.625 15.88 0.880 22.4 0.810 20.6 0.413 10.49 0.060 1.5
R-63 16.500 419.10 1.000 25.40 1.310 33.3 1.250 31.8 0.681 17.30 0.090 2.3
R-64 17.875 454.03 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-65 18.500 469.90 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-66 18.500 469.90 0.625 15.88 0.880 22.4 0.810 20.6 0.413 10.49 0.060 1.5
R-67 18.500 469.90 1.125 28.58 1.440 36.6 1.380 35.1 0.780 19.81 0.090 2.3
R-68 20.375 517.53 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-69 21.000 533.40 0.438 11.13 0.690 17.5 0.630 16.0 0.305 7.75 0.060 1.5
R-70 21.000 533.40 0.750 19.05 1.000 25.4 0.940 23.9 0.485 12.32 0.060 1.5
R-71 21.000 533.40 1.125 28.58 1.440 36.6 1.380 35.1 0.780 19.81 0.090 2.3
R-72 22.000 558.80 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-73 23.000 584.20 0.500 12.70 0.750 19.1 0.690 17.5 0.341 8.66 0.060 1.5
R-74 23.000 584.20 0.750 19.05 1.000 25.4 0.940 23.9 0.485 12.32 0.060 1.5
R-75 23.000 584.20 1.250 31.75 1.560 39.6 1.500 38.1 0.879 22.33 0.090 2.3
R-76 26.500 673.10 0.313 7.95 0.560 14.2 0.500 12.7 0.206 5.23 0.060 1.5
R-77 27.250 692.15 0.625 15.88 0.880 22.4 0.810 20.6 0.413 10.49 0.060 1.5
R-78 27.250 692.15 1.000 25.40 1.310 33.3 1.250 31.8 0.681 17.30 0.090 2.3
R-79 27.250 692.15 1.375 34.93 1.750 44.5 1.630 41.4 0.977 24.82 0.090 2.3
R-80 24.250 615.95 0.313 7.95 -- -- 0.500 12.7 0.206 5.23 0.060 1.5
R-81 25.000 635.00 0.563 14.30 -- -- 0.750 19.1 0.377 9.58 0.060 1.5
R-82 2.250 57.15 0.438 11.13 -- -- 0.630 16.0 0.305 7.75 0.060 1.5
R-84 2.500 63.50 0.438 11.13 -- -- 0.630 16.0 0.305 7.75 0.060 1.5
R-85 3.125 79.38 0.500 12.70 -- -- 0.690 17.5 0.341 8.66 0.060 1.5
R-86 3.563 90.50 0.625 15.88 -- -- 0.810 20.6 0.413 10.49 0.060 1.5
R-87 3.938 100.03 0.625 15.88 -- -- 0.810 20.6 0.413 10.49 0.060 1.5
R-88 4.875 123.83 0.750 19.05 -- -- 0.940 23.9 0.485 12.32 0.060 1.5
R-89 4.500 114.30 0.750 19.05 -- -- 0.940 23.9 0.485 12.32 0.060 1.5
R-90 6.125 155.58 0.875 22.23 -- -- 1.060 26.9 0.583 14.81 0.060 1.5
R-91 10.250 260.35 1.250 31.75 -- -- 1.500 38.1 0.879 22.33 0.090 2.3
R-92 9.000 228.60 0.438 11.13 0.690 -- 0.630 16.0 0.305 7.75 0.060 1.5
R-93 29.500 749.30 0.750 19.05 -- -- 0.940 23.9 0.485 12.32 0.060 1.5
R-94 31.500 800.10 0.750 19.05 -- -- 0.940 23.9 0.485 12.32 0.060 1.5
R-95 33.750 857.25 0.750 19.05 -- -- 0.940 23.9 0.485 12.32 0.060 1.5
R-96 36.000 914.40 0.875 22.23 -- -- 1.060 26.9 0.583 14.81 0.060 1.5
R-97 38.000 965.20 0.875 22.23 -- -- 1.060 26.9 0.583 14.81 0.060 1.5
R-98 40.250 1022.35 0.875 22.23 -- -- 1.060 26.9 0.583 14.81 0.060 1.5
R-99 9.250 234.95 0.438 11.13 -- -- 0.630 16.0 0.305 7.75 0.060 1.5
R-100 29.500 749.30 1.125 28.58 -- -- 1.380 35.1 0.780 19.81 0.090 2.3
R-101 31.500 800.10 1.250 31.75 -- -- 1.500 38.1 0.879 22.33 0.090 2.3
R-102 33.750 857.25 1.250 31.75 -- -- 1.500 38.1 0.879 22.33 0.090 2.3
R-103 36.000 914.40 1.250 31.75 -- -- 1.500 38.1 0.879 22.33 0.090 2.3
R-104 38.000 965.20 1.375 34.93 -- -- 1.630 41.4 0.977 24.82 0.090 2.3
R-105 40.250 1022.35 1.375 34.93 -- -- 1.630 41.4 0.977 24.82 0.090 2.3
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