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STYLE BX

BX ring joint gaskets are manufactured to the specifications of API 6A. They are pressure-energized gaskets designed for use on systems up to 20,000 psi.

BX gaskets are designed to allow virtual face-to-face contact of the flanges to ensure that the gasket is fully trapped on both the inner and outer diameters.

BX gaskets include a pressure balance hole to allow equalization of pressure which may build up in the grooves.

Tolerances: (Inches)

A* Width of Ring +/- 0.008,-0.000
D Hole Size +/- 0.02
H* Height of Ring +/- 0.080,-0.000
OD (Outside Diameter of Ring ) +/- 0.000,-0.006
23° (Angle) +/- 1/4°

Draft

 

Note: One pressure passage hole required per ring on center line.

*A plus tolerance of 0.008 inches for width ‘A’ and height ‘H’ is permitted, provided the variation in width or height does not exceed 0.004 inches throughout its entire circumference.

 

*BX167 is suitable for 26¾ Nominal Pipe Size 2,000 psi rating.
**BX169 is suitable for 5¾ Nominal Pipe Size 10,000 psi rating.
BX168 is suitable for 26¾ Nominal Pipe Size 3,000 psi rating.
BX303 is suitable for 30 Nominal Pipe Size 2,000 and 3,000 psi rating.


Ring No. Pressure Class Ratings Outside Diameter of Ring Height of Ring Width of Ring Hole Size Weight lbs
5000 10,000 15,000 20,000
Nominal Pipe Size OD H A D
BX150 - - - - 2.842 0.366 0.366 0.06 0.295
BX151 - 1 13/16 1 13/16 1 13/16 3.008 0.379 0.379 0.06 0.337
BX152 - 2 1/16 2 1/16 2 1/16 3.334 0.403 0.403 0.06 0.425
BX153 - 2 9/16 2 9/16 2 9/16 3.974 0.448 0.448 0.06 0.632
BX154 - 3 1/16 3 1/16 3 1/16 4.600 0.488 0.488 0.06 0.875
BX155 - 4 1/16 4 1/16 4 1/16 5.825 0.560 0.560 0.06 1.22
BX156 - 7 1/16 7 1/16 7 1/16 9.367 0.733 0.733 0.12 4.14
BX157 - 9 9 9 11.593 0.826 0.826 0.12 6.55
BX158 - 11 11 11 13.860 0.911 0.911 0.12 9.60
BX159 - 13 5/8 13 5/8 13 5/8 16.800 1.012 1.012 0.12 14.41
BX160 13 5/8 - - - 15.850 0.938 0.541 0.12 6.75
BX161 16 3/4 - - - 19.347 1.105 0.638 0.12 -
BX162 16 3/4 16 3/4 16 3/4 - 18.720 0.560 0.560 0.06 -
BX163 18 3/4 - - - 21.896 1.185 0.684 0.12 -
BX164 - 18 3/4 18 3/4 - 22.463 1.185 0.968 0.12 -
BX165 21 1/4 - - - 24.595 1.261 0.728 0.12 -
BX166 - 21 1/4 - - 25.198 1.261 1.029 0.12 -
BX167* - - - - 29.896 1.412 0.516 0.06 -
BX168† - - - - 30.128 1.412 0.632 0.06 -
BX169** - - - - 6.831 0.624 0.509 0.06 -
BX170 - - - - 8.584 0.560 0.560 0.06 -
BX171 - - - - 10.529 0.560 0.560 0.06 -
BX172 - - - - 13.113 0.560 0.560 0.06 -
BX303†† - - - - 33.573 1.494 0.668 0.06 -