API 6A Type 6BX 10000 psi Flange Dimensions

Expired

Dimensions of Type 6BX flanges for 10000 psi (69 MPa) rated working pressure.

Type 6BX flanges are of the ring joint type and designed with a raised face. Depending on the tolerances, the connection make-up bolting force may react on the raised face of the flange when the gasket has been properly seated. This prevents damage to the flange or gasket from excessive bolt torque.

All dimensions are in "mm" unless noted otherwise. Only flange sizes are in imperial units.

API 6A Type 6BX Flange Dimensions

  
Size-(inches) B OD C E1 Q
(max)		 G K T J1 J2 J3 J4 R BC N H Ring
Number
BX
1 13/16" 46.8 185 3 - 5.56 77.77 105 42.1 88.9 65.1 48.5 - 10 146.10 8 23 151
2 1/16" 53.2 200 3 - 5.95 86.23 1011 44.1 100.0 74.7 51.6 - 10 158.80 8 23 152
2 9/16" 65.9 230 3 - 6.75 102.77 132 51.2 120.7 92.1 57.2 - 10 184.20 8 26 153
3 1/16" 78.6 270 3 - 7.54 119.00 152 58.4 142.1 110.2 63.5 - 10 215.90 8 29 154
4 1/16" 104.0 315 3 - 8.33 150.62 185 70.3 182.6 146.1 73.1 - 10 258.80 8 32 155
5 1/8" 131.0 360 3 9.5 9.53 176.66 221 79.4 223.8 182.6 81.0 6.4 10 300 12 32 169
7 1/16" 180.2 480 6 11.1 11.11 241.83 302 103.2 301.6 254 95.3 9.7 16 403.20 12 42 156
9" 229.4 550 6 12.7 12.70 299.06 359 123.9 374.7 327.1 93.7 9.7 16 476.30 16 42 157
11" 280.2 655 6 14.3 14.29 357.23 429 141.3 450.9 400.1 103.2 14.2 16 565.20 16 48 158
13 5/8" 346.9 770 6 15.9 15.88 432.64 518 168.3 552.5 495.3 114.3 17.5 16 673.10 20 51 159
16 3/4" 426.2 870 6 8.3 8.33 478.33 576 168.3 655.6 601.7 76.2 30.2 19 776.30 24 51 162
18 3/4" 477.0 1040 6 18.3 18.26 577.90 697 223.1 752.5 674.7 155.6 25.4 16 925.50 24 61 164
21 1/4" 540.5 1145 6 19.1 19.05 647.88 781 241.3 847.7 762.0 165.1 31.8 21 1022.40 24 67 166
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