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Ring joint gaskets size chart
Posted Time: 2022-07-24 13:49:14Author: Ring_Joint_GasketSource: JayusealView:
This page introduces R, RX, BX types ring joint gaskets size chart, RTJ ring numbers and weights according to standard API 6A and ASME B16.20
R type ring joint gasket size chart in mm (oval or octagonal rtj gasket)
API R numbers for rtj gaskets |
P | OD | ID | A | B |
Oval Weight |
H | C | R |
Oct. weight |
pitch diameter |
Outer diameter |
inner diameter |
Width |
oval ring height |
Octagonal height |
width of flat |
radius on ring |
|||
(±0.18) | ±0.2 | ±0.2 | (±0.2) | (±0.5) | KGS | (±0.5) | (±0.2) | ±0.5 | KGS | |
R11 | 34.14 | 40.49 | 27.79 | 6.35 | 11.2 | 0.05 | 9.7 | 4.32 | 1.5 | 0.05 |
R12 | 39.7 | 47.65 | 31.75 | 7.95 | 14.2 | 0.10 | 12.7 | 5.23 | 1.5 | 0.10 |
R13 | 42.88 | 50.83 | 34.93 | 7.95 | 14.2 | 0.10 | 12.7 | 5.23 | 1.5 | |
R14 | 44.45 | 52.4 | 36.5 | 7.95 | 14.2 | 0.11 | 12.7 | 5.23 | 1.5 | 0.11 |
R15 | 47.63 | 55.58 | 39.68 | 7.95 | 14.2 | 0.12 | 12.7 | 5.23 | 1.5 | 0.12 |
R16 | 50.8 | 58.75 | 42.85 | 7.95 | 14.2 | 0.12 | 12.7 | 5.23 | 1.5 | 0.11 |
R17 | 57.15 | 65.1 | 49.2 | 7.95 | 14.2 | 0.14 | 12.7 | 5.23 | 1.5 | 0.13 |
R18 | 60.33 | 68.28 | 52.38 | 7.95 | 14.2 | 0.15 | 12.7 | 5.23 | 1.5 | 0.14 |
R19 | 65.1 | 73.05 | 57.15 | 7.95 | 14.2 | 0.16 | 12.7 | 5.23 | 1.5 | 0.15 |
R20 | 68.28 | 76.23 | 60.33 | 7.95 | 14.2 | 0.17 | 12.7 | 5.23 | 1.5 | |
R21 | 72.24 | 83.37 | 61.11 | 11.13 | 17.5 | 0.30 | 16 | 7.75 | 1.5 | 0.29 |
R22 | 82.55 | 90.5 | 74.6 | 7.95 | 14.2 | 0.20 | 12.7 | 5.23 | 1.5 | 0.19 |
R23 | 82.55 | 93.68 | 71.42 | 11.13 | 17.5 | 0.34 | 16 | 7.75 | 1.5 | 0.33 |
R24 | 95.25 | 106.38 | 84.12 | 11.13 | 17.5 | 0.39 | 16 | 7.75 | 1.5 | 0.38 |
R25 | 101.6 | 109.55 | 93.65 | 7.95 | 14.2 | 0.25 | 12.7 | 5.23 | 1.5 | 0.23 |
R26 | 101.6 | 112.73 | 90.47 | 11.13 | 17.5 | 0.42 | 16 | 7.75 | 1.5 | 0.41 |
R27 | 107.95 | 119.08 | 96.82 | 11.13 | 17.5 | 0.45 | 16 | 7.75 | 1.5 | 0.43 |
R28 | 111.13 | 123.83 | 98.43 | 12.7 | 19.1 | 0.57 | 17.5 | 8.66 | 1.5 | 0.55 |
R29 | 114.3 | 122.25 | 106.35 | 7.95 | 14.2 | 0.28 | 12.7 | 5.23 | 1.5 | 0.26 |
R30 | 117.48 | 128.61 | 106.35 | 11.13 | 17.5 | 0.48 | 16 | 7.75 | 1.5 | 0.47 |
R31 | 123.83 | 134.96 | 112.7 | 11.13 | 17.5 | 0.51 | 16 | 7.75 | 2.3 | 0.50 |
R32 | 127 | 139.7 | 114.3 | 12.7 | 19.1 | 0.65 | 17.5 | 8.66 | 1.5 | 0.63 |
R33 | 131.78 | 139.73 | 123.83 | 7.95 | 14.2 | 0.32 | 12.7 | 5.23 | 1.5 | 0.30 |
R34 | 131.78 | 142.91 | 120.65 | 11.13 | 17.5 | 0.54 | 16 | 7.75 | 1.5 | 0.52 |
R35 | 136.53 | 147.66 | 125.4 | 11.13 | 17.5 | 0.56 | 16 | 7.75 | 1.5 | 0.55 |
R36 | 149.23 | 157.18 | 141.28 | 7.95 | 14.2 | 0.37 | 12.7 | 5.23 | 1.5 | 0.34 |
R37 | 149.23 | 160.36 | 138.1 | 11.13 | 17.5 | 0.62 | 16 | 7.75 | 1.5 | 0.60 |
R38 | 157.18 | 173.06 | 141.3 | 15.88 | 22.4 | 1.16 | 20.6 | 10.49 | 1.5 | 1.14 |
R39 | 161.93 | 173.06 | 150.8 | 11.13 | 17.5 | 0.67 | 16 | 7.75 | 1.5 | 0.65 |
R40 | 171.45 | 179.4 | 163.5 | 7.95 | 14.2 | 0.42 | 12.7 | 5.23 | 1.5 | 0.39 |
R41 | 180.98 | 192.11 | 169.85 | 11.13 | 17.5 | 0.75 | 16 | 7.75 | 1.5 | 0.73 |
R42 | 190.5 | 209.55 | 171.45 | 19.05 | 25.4 | 1.91 | 23.9 | 12.32 | 1.5 | 1.88 |
R43 | 193.68 | 201.63 | 185.73 | 7.95 | 14.2 | 0.48 | 12.7 | 5.23 | 1.5 | 0.44 |
R44 | 193.68 | 204.81 | 182.55 | 11.13 | 17.5 | 0.80 | 16 | 7.75 | 1.5 | 0.78 |
R45 | 211.15 | 222.28 | 200.02 | 11.13 | 17.5 | 0.87 | 16 | 7.75 | 1.5 | 0.85 |
R46 | 211.15 | 223.85 | 198.45 | 12.7 | 19.1 | 1.08 | 17.5 | 8.66 | 1.5 | 1.05 |
R47 | 228.6 | 247.65 | 209.55 | 19.05 | 25.4 | 2.29 | 23.9 | 12.32 | 1.5 | 2.26 |
R48 | 247.65 | 255.6 | 239.7 | 7.95 | 14.2 | 0.61 | 12.7 | 5.23 | 1.5 | 0.56 |
R49 | 269.88 | 281.01 | 258.75 | 11.13 | 17.5 | 1.11 | 16 | 7.75 | 1.5 | 1.09 |
R50 | 269.88 | 285.76 | 254 | 15.88 | 22.4 | 1.99 | 20.6 | 10.49 | 1.5 | 1.95 |
R51 | 279.4 | 301.63 | 257.17 | 22.23 | 28.7 | 3.65 | 26.9 | 14.81 | 1.5 | 3.69 |
R52 | 304.8 | 312.75 | 296.85 | 7.95 | 14.2 | 0.75 | 12.7 | 5.23 | 1.5 | 0.69 |
R53 | 323.85 | 334.98 | 312.72 | 11.13 | 17.5 | 1.34 | 16 | 7.75 | 1.5 | 1.30 |
R54 | 323.85 | 339.73 | 307.97 | 15.88 | 22.4 | 2.39 | 20.6 | 10.49 | 1.5 | 2.35 |
R55 | 342.9 | 371.48 | 314.32 | 28.58 | 36.6 | 7.35 | 35.1 | 19.81 | 2.3 | 7.68 |
R56 | 381 | 388.95 | 373.05 | 7.95 | 14.2 | 0.95 | 12.7 | 5.23 | 1.5 | 0.88 |
R57 | 381 | 392.13 | 369.87 | 11.13 | 17.5 | 1.61 | 16 | 7.75 | 1.5 | 1.56 |
R58 | 381 | 403.23 | 358.77 | 22.23 | 28.7 | 5.07 | 26.9 | 14.81 | 1.5 | 5.12 |
R59 | 396.88 | 404.83 | 388.93 | 7.95 | 14.2 | 0.99 | 12.7 | 5.23 | 1.5 | 0.92 |
R60 | 406.4 | 438.15 | 374.65 | 31.75 | 39.6 | 10.65 | 38.1 | 22.33 | 2.3 | 11.72 |
R61 | 419.1 | 430.23 | 407.97 | 11.13 | 17.5 | 1.77 | 16 | 7.75 | 1.5 | 1.72 |
R62 | 419.1 | 434.98 | 403.22 | 15.88 | 22.4 | 3.15 | 20.6 | 10.49 | 1.5 | 3.09 |
R63 | 419.1 | 444.5 | 393.7 | 25.4 | 33.3 | 7.45 | 31.8 | 17.3 | 1.5 | 7.52 |
R64 | 454.03 | 461.98 | 446.08 | 7.95 | 14.2 | 1.14 | 12.7 | 5.23 | 1.5 | 1.05 |
R65 | 469.9 | 481.03 | 458.77 | 11.13 | 17.5 | 1.98 | 16 | 7.75 | 1.5 | 1.92 |
R66 | 469.9 | 485.78 | 454.02 | 15.88 | 22.4 | 3.53 | 20.6 | 10.49 | 1.5 | 3.46 |
R67 | 469.9 | 498.48 | 441.32 | 28.58 | 36.6 | 10.25 | 35.1 | 19.81 | 2.3 | 10.71 |
R68 | 517.53 | 525.48 | 509.58 | 7.95 | 14.2 | 1.3 | 12.7 | 5.23 | 1.5 | 1.19 |
R69 | 533.4 | 544.53 | 522.27 | 11.13 | 17.5 | 2.27 | 16 | 7.75 | 1.5 | 2.2 |
R70 | 533.4 | 552.45 | 514.35 | 19.05 | 25.4 | 5.48 | 23.9 | 12.32 | 1.5 | 5.4 |
R71 | 533.4 | 561.98 | 504.82 | 28.58 | 36.6 | 11.75 | 35.1 | 19.81 | 2.3 | 12.27 |
R72 | 558.8 | 566.75 | 550.85 | 7.95 | 14.2 | 1.4 | 12.7 | 5.23 | 1.5 | 1.29 |
R73 | 584.2 | 596.9 | 571.5 | 12.7 | 19.1 | 3.03 | 17.5 | 8.66 | 1.5 | 2.99 |
R74 | 584.2 | 603.25 | 565.15 | 19.05 | 25.4 | 5.95 | 23.9 | 12.32 | 1.5 | 5.86 |
R75 | 584.2 | 615.95 | 552.45 | 31.75 | 39.6 | 15.31 | 38.1 | 22.33 | 2.3 | 16.2 |
R76 | 673.1 | 681.05 | 665.15 | 7.95 | 14.2 | 1.68 | 12.7 | 5.23 | 1.5 | 1.55 |
R77 | 692.15 | 708.03 | 676.27 | 15.88 | 22.4 | 5.2 | 20.6 | 10.49 | 1.5 | 5.1 |
R78 | 692.15 | 717.55 | 666.75 | 25.4 | 33.3 | 12.3 | 31.8 | 17.3 | 2.3 | 12.66 |
R79 | 692.15 | 727.08 | 657.22 | 34.93 | 44.5 | 22.4 | 41.4 | 24.8 | 2.3 | 22.98 |
RX type ring joint gasket size chart in mm
Ring joint gasket number |
OD | H | A | C | D | R |
RX RTJ gasket weight |
outside diameter |
height of ring |
width of ring |
width of flat |
height of OD bevel |
radius on ring |
||
(0,+0.5) | (0,+0.2) | (0,+0.2) | (0,+0.15) | (-0.8,0) | ±0.5 | KG's | |
RX20 | 76.2 | 19.05 | 8.74 | 4.62 | 3.18 | 1.5 | 0.24 |
RX23 | 93.27 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.53 |
RX24 | 105.97 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.62 |
RX25 | 109.55 | 19.05 | 8.74 | 4.62 | 3.18 | 1.5 | 0.64 |
RX26 | 111.91 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.68 |
RX27 | 118.26 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.79 |
RX31 | 134.54 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.87 |
RX35 | 147.24 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.95 |
RX37 | 159.94 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.03 |
RX39 | 172.64 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.15 |
RX41 | 191.69 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.18 |
RX44 | 204.39 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.34 |
RX45 | 221.84 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.37 |
RX46 | 222.25 | 28.58 | 13.49 | 6.68 | 4.78 | 1.5 | 1.67 |
RX47 | 245.26 | 41.28 | 19.84 | 10.34 | 6.88 | 2.3 | 3.91 |
RX49 | 280.59 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.76 |
RX50 | 283.36 | 31.75 | 16.66 | 8.51 | 5.28 | 1.5 | 2.89 |
RX53 | 334.57 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 2.11 |
RX54 | 337.34 | 31.75 | 16.66 | 8.51 | 5.28 | 1.5 | 3.47 |
RX57 | 391.72 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 2.48 |
RX63 | 441.73 | 50.8 | 27 | 14.78 | 8.46 | 2.3 | 12.03 |
RX65 | 480.62 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 3.06 |
RX66 | 483.39 | 31.75 | 16.66 | 8.51 | 5.28 | 1.5 | 5.04 |
RX69 | 544.12 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 3.48 |
RX70 | 550.06 | 41.28 | 19.84 | 10.34 | 6.88 | 2.3 | 9.18 |
RX73 | 596.11 | 31.75 | 13.49 | 6.68 | 5.28 | 1.5 | 4.66 |
RX74 | 600.86 | 41.28 | 19.84 | 10.34 | 6.88 | 2.3 | 10.06 |
RX82 | 67.87 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.40 |
RX84 | 74.22 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 0.41 |
RX85 | 90.09 | 25.4 | 13.49 | 6.68 | 4.24 | 1.5 | 0.53 |
RX86 | 103.58 | 28.58 | 15.09 | 8.51 | 4.78 | 1.5 | 0.82 |
RX87 | 113.11 | 28.58 | 15.09 | 8.51 | 4.78 | 1.5 | 0.91 |
RX88 | 139.29 | 31.75 | 17.48 | 10.34 | 5.28 | 1.5 | 1.48 |
RX89 | 129.77 | 31.75 | 18.26 | 10.34 | 5.28 | 1.5 | 1.37 |
RX90 | 174.63 | 44.45 | 19.84 | 12.17 | 7.42 | 2.3 | 3.12 |
RX91 | 286.94 | 45.24 | 30.18 | 19.81 | 7.54 | 2.3 | 7.80 |
RX99 | 245.67 | 25.4 | 11.91 | 6.45 | 4.24 | 1.5 | 1.53 |
RX201 | 51.46 | 11.3 | 5.74 | 3.2 | 1.45(-0.38,0) | 0.5(0,+0.5) | 0.06 |
RX205 | 62.31 | 11.1 | 5.56 | 3.05 | 1.83(-0.38,0) | 0.5(0,+0.5) | 0.08 |
RX210 | 97.64 | 19.05 | 9.53 | 5.41 | 3.18(-0.38,0) | 0.8(0,+0.5) | 0.35 |
RX215 | 140.89 | 25.4 | 11.91 | 5.33 | 4.24(-0.38,0) | 1.5(0,+0.5) | 0.78 |
![API RTJ ring joint gasket numbers]( /img-pp/ring-joint-gasket-size-chart.jpg)
BX type ring joint gaskt size chart in mm
API rtj gasket ring number |
outside diameter |
ID |
height of ring |
width of ring |
diameter of flat |
width of flat |
radius on ring |
hole size |
Weight |
OD | H | A | ODT | C | R | D | |||
(-0.15,0) | (0,+0.2) | (0,+0.2) | (±0.05) | (0,+0.15) | ±0.5 | (±0.5) | KGS | ||
BX150 | 72.19 | 53.59 | 9.3 | 9.3 | 70.87 | 7.98 | 0.8 | 1.6 | 0.134 |
BX151 | 76.4 | 57.14 | 9.63 | 9.63 | 75.03 | 8.26 | 0.8 | 1.6 | 0.153 |
BX152 | 84.68 | 64.2 | 10.24 | 10.24 | 83.24 | 8.79 | 1.2 | 1.6 | 0.193 |
BX153 | 100.94 | 78.18 | 11.38 | 11.38 | 99.31 | 9.78 | 1.2 | 1.6 | 0.287 |
BX154 | 116.84 | 92.04 | 12.4 | 12.4 | 115.09 | 10.64 | 1.2 | 1.6 | 0.397 |
BX155 | 147.96 | 119.52 | 14.22 | 14.22 | 145.95 | 12.22 | 1.5 | 1.6 | 0.66 |
BX156 | 237.92 | 200.68 | 18.62 | 18.62 | 235.28 | 15.98 | 1.85 | 3.2 | 1.878 |
BX157 | 294.46 | 252.5 | 20.98 | 20.98 | 291.49 | 18.01 | 2 | 3.2 | 2.971 |
BX158 | 352.04 | 305.76 | 23.14 | 23.14 | 348.77 | 19.86 | 2.5 | 3.2 | 4.355 |
BX159 | 426.72 | 375.32 | 25.7 | 25.7 | 423.09 | 22.07 | 2.5 | 3.2 | 6.536 |
BX160 | 402.59 | 375.11 | 23.83 | 13.74 | 399.21 | 10.36 | 2.5 | 3.2 | 3.062 |
BX161 | 491.41 | 458.99 | 28.07 | 16.21 | 487.45 | 12.24 | 2.5 | 3.2 | 5.14 |
BX162 | 475.49 | 447.05 | 14.22 | 14.22 | 473.48 | 12.22 | 1.5 | 1.6 | 2.26 |
BX163 | 556.16 | 521.42 | 30.1 | 17.37 | 551.89 | 13.11 | 3 | 3.2 | 6.7 |
BX164 | 570.56 | 521.38 | 30.1 | 24.59 | 566.29 | 20.32 | 3 | 3.2 | 9.73 |
BX165 | 624.71 | 587.73 | 32.03 | 18.49 | 620.19 | 13.97 | 3 | 3.2 | 8.54 |
BX166 | 640.03 | 587.75 | 32.03 | 26.14 | 635.51 | 21.62 | 3 | 3.2 | 12.38 |
BX167 | 759.36 | 733.14 | 35.87 | 13.11 | 754.28 | 8.03 | 3.5 | 1.6 | 8.17 |
BX168 | 765.25 | 733.15 | 35.87 | 16.05 | 760.17 | 10.97 | 3.5 | 1.6 | 11.12 |
BX169 | 173.51 | 147.65 | 15.85 | 12.93 | 171.27 | 10.69 | 1.5 | 1.6 | 0.79 |
BX170 | 218.03 | 189.59 | 14.22 | 14.22 | 216.03 | 12.22 | 1.5 | 1.6 | 1 |
BX171 | 267.44 | 239 | 14.22 | 14.22 | 265.43 | 12.22 | 1.5 | 1.6 | 1.24 |
BX172 | 333.07 | 304.63 | 14.22 | 14.22 | 331.06 | 12.22 | 1.5 | 1.6 | 1.56 |
BX303 | 852.75 | 818.81 | 37.95 | 16.97 | 847.37 | 11.61 | 4 | 1.6 | 12.66 |
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