Dimensions of Type RX Ring joint gasket for use with ASME B16.5 and API 6A Type 6B flanges.
| Ring Number |
Pitch Diameter of Ring (P) |
Width of Ring (A) | Width of Flat (C) | Height of outside Bevel (H) |
Height of Ring (H) |
Radius in Octagonal Ring (R1) |
Hole Size (E1) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inches | mm | inches | mm | inches | mm | inches | mm | inches | mm | inches | mm | inches | mm | |
| RX-20 | 3.000 | 76.20 | 0.344 | 8.74 | 0.182 | 4.62 | 0.125 | 3.18 | 0.750 | 19.05 | 0.060 | 1.5 | -- | -- |
| RX-23 | 3.672 | 93.27 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-24 | 4.172 | 105.97 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-25 | 4.313 | 109.55 | 0.344 | 8.74 | 0.182 | 4.62 | 0.125 | 3.18 | 0.750 | 19.05 | 0.060 | 1.5 | -- | -- |
| RX-26 | 4.406 | 111.91 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-27 | 4.656 | 118.26 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-31 | 5.297 | 134.54 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-35 | 5.797 | 147.24 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-37 | 6.297 | 159.94 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-39 | 6.797 | 172.64 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-41 | 7.547 | 191.69 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-44 | 8.047 | 204.39 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-45 | 8.734 | 221.84 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-46 | 8.750 | 222.25 | 0.531 | 13.49 | 0.263 | 6.68 | 0.188 | 4.78 | 1.125 | 28.58 | 0.060 | 1.5 | -- | -- |
| RX-47 | 9.656 | 245.26 | 0.781 | 19.84 | 0.407 | 10.34 | 0.271 | 6.88 | 1.625 | 41.28 | 0.090 | 2.3 | -- | -- |
| RX-49 | 11.047 | 280.59 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-50 | 11.156 | 283.36 | 0.656 | 16.66 | 0.335 | 8.51 | 0.208 | 5.28 | 1.250 | 31.75 | 0.060 | 1.5 | -- | -- |
| RX-53 | 13.172 | 334.57 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-54 | 13.281 | 337.34 | 0.656 | 16.66 | 0.335 | 8.51 | 0.208 | 5.28 | 1.250 | 31.75 | 0.060 | 1.5 | -- | -- |
| RX-57 | 15.422 | 391.72 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-63 | 17.391 | 441.73 | 1.063 | 27.00 | 0.582 | 14.78 | 0.333 | 8.46 | 2.000 | 50.80 | 0.090 | 2.3 | -- | -- |
| RX-65 | 18.922 | 480.62 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-66 | 18.031 | 457.99 | 0.656 | 16.66 | 0.335 | 8.51 | 0.208 | 5.28 | 1.250 | 31.75 | 0.060 | 1.5 | -- | -- |
| RX-69 | 21.422 | 544.12 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-70 | 21.656 | 550.06 | 0.781 | 19.84 | 0.407 | 10.34 | 0.271 | 6.88 | 1.625 | 41.28 | 0.090 | 2.3 | -- | -- |
| RX-73 | 23.469 | 596.11 | 0.531 | 13.49 | 0.263 | 6.68 | 0.208 | 5.28 | 1.250 | 31.75 | 0.060 | 1.5 | -- | -- |
| RX-74 | 23.656 | 600.86 | 0.781 | 19.84 | 0.407 | 10.34 | 0.271 | 6.88 | 1.625 | 41.28 | 0.090 | 2.3 | -- | -- |
| RX-82 | 2.672 | 67.87 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | 0.060 | 1.5 |
| RX-84 | 2.922 | 74.22 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | 0.060 | 1.5 |
| RX-85 | 3.547 | 90.09 | 0.531 | 13.49 | 0.263 | 6.68 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | 0.060 | 1.5 |
| RX-86 | 4.078 | 103.58 | 0.594 | 15.09 | 0.335 | 8.51 | 0.188 | 4.78 | 1.125 | 28.58 | 0.060 | 1.5 | 0.090 | 2.3 |
| RX-87 | 4.453 | 113.11 | 0.594 | 15.09 | 0.335 | 8.51 | 0.188 | 4.78 | 1.125 | 28.58 | 0.060 | 1.5 | 0.090 | 2.3 |
| RX-88 | 5.484 | 139.29 | 0.688 | 17.48 | 0.407 | 10.34 | 0.208 | 5.28 | 1.250 | 31.75 | 0.060 | 1.5 | 0.120 | 3.0 |
| RX-89 | 5.109 | 129.77 | 0.719 | 18.26 | 0.407 | 10.34 | 0.208 | 5.28 | 1.250 | 31.75 | 0.060 | 1.5 | 0.120 | 3.0 |
| RX-90 | 6.875 | 174.63 | 0.781 | 19.84 | 0.479 | 12.17 | 0.292 | 7.42 | 1.750 | 44.45 | 0.090 | 2.3 | 0.120 | 3.0 |
| RX-91 | 11.297 | 286.94 | 1.188 | 30.18 | 0.780 | 19.81 | 0.297 | 7.54 | 1.781 | 45.24 | 0.090 | 2.3 | 0.120 | 3.0 |
| RX-99 | 9.672 | 245.67 | 0.469 | 11.91 | 0.254 | 6.45 | 0.167 | 4.24 | 1.000 | 25.40 | 0.060 | 1.5 | -- | -- |
| RX-201 | 2.026 | 51.46 | 0.226 | 5.74 | 0.126 | 3.20 | 0.057 | 1.45 | 0.445 | 11.30 | 0.02 (3) | 0.5 (3) | -- | -- |
| RX-205 | 2.453 | 62.31 | 0.219 | 5.56 | 0.12 | 3.05 | 0.072 (2) | 1.83 (2) | 0.437 | 11.10 | 0.02 (3) | 0.5 (3) | -- | -- |
| RX-210 | 3.844 | 97.64 | 0.375 | 9.53 | 0.231 | 5.87 | 0.125 (2) | 3.18 (2) | 0.750 | 19.05 | 0.03 (3) | 0.8 (3) | -- | -- |
| RX-215 | 5.547 | 140.89 | 0.469 | 11.91 | 0.21 | 5.33 | 0.167 (2) | 4.24 (2) | 1.000 | 25.40 | 0.06 (3) | 1.5 (3) | -- | -- |
Notes:
Pressure balancing hole is required for RX-82 to RX-91. The hole is at center of dimension C.
Tolerance on these dimensions are: +0mm, -0.38mm.
Tolerance on these dimensions are: +0.5mm, -0mm.