Technical Data

Technical Data

STYLE BX - Description

All BX energized gaskets manufactured to API 6A incorporate a pressure passage hole, allowing equalization of pressure between grooves

Tolerances:(Inches)
A (Width of Ring) + 0.008, - 0.000
D (Hole Size) ± 0.002
H (Height of Ring) + 0.008, - 0.000
OD (OD of Ring) + 0.000, - 0.006
23°(Angle) ± ¼°
Technical Data

Available Gasket Material

Material STANDARD UNS ASME Maximum Hardness Brinell Rockwell
Soft Iron - D 90 56
Low Carbon Steel - S 120 68
4-6% Chrome ½% Moly (F5) K42544 F5 130 72
Type 304 Stainless Steel S30400 S304 160 83
Type 316 Stainless Steel S31600 S316 160 83
Alloy 321 S32100 S321 217 95
Alloy 625 N06625 INC625 200 93
Alloy 825 N08825 IN825 160 83

STYLE BX RING - DIMENSIONS

Ring No. Pipe sizes & pressure class rating for type BX ring gaskets Outside diameter of ring Outside diameter of ring Height of ring Width of ring Diameter of flat Width of flat Hole size Depth of groove Outside diameter of groove Width of groove Weight
API (PSI) OD H b A b ODT C D E G N Lbs
0 - 0.006 0 - 0.006 +0.008 0 +0.008 0 ±0.002 +0.006 0 ±0.02 +0.02 0 +0.004 0 +0.004 0
BX-150 … … … 1-11/16" 1-11/16" … 2.842 0.366 0.366 2.790 0.314 0.06 0.22 2.893 0.450 0.30
BX-151 … … … 1-13/16" 1-13/16" 1-13/16" 3.008 0.379 0.379 2.954 0.325 0.06 0.22 3.062 0.466 0.34
BX-152 … … … 2-1/16" 2-1/16" 2-1/16" 3.334 0.403 0.403 3.277 0.346 0.06 0.23 3.395 0.498 0.42
BX-153 … … … 2-9/16" 2-9/16" 2-9/16" 3.974 0.448 0.448 3.910 0.385 0.06 0.27 4.046 0.554 0.63
BX-154 … … … 3-1/16" 3-1/16" 3-1/16" 4.600 0.488 0.488 4.531 0.419 0.06 0.30 4.685 0.606 0.88
BX-155 … … … 4-1/16" 4-1/16" 4-1/16" 5.825 0.560 0.560 5.746 0.481 0.06 0.33 5.930 0.698 1.22
BX-156 … … … 7-1/16" 7-1/16" 7-1/16" 9.367 0.733 0.733 9.263 0.629 0.12 0.44 9.521 0.921 4.14
BX-157 … … … 9" 9" 9" 11.593 0.826 0.826 11.476 0.709 0.12 0.50 11.774 1.039 6.55
BX-158 … … … 11" 11" 11" 13.860 0.911 0.911 13.731 0.782 0.12 0.56 14.064 1.149 9.60
BX-159 … … … 13-5/8" 13-5/8" 13-5/8" 16.800 1.012 1.012 16.657 0.869 0.12 0.62 17.033 1.279 14.41
BX-160 … … 13-5/8" … … … 15.850 0.938 0.541 15.717 0.408 0.12 0.56 16.063 0.786 6.75
BX-161 … … 16-3/4" … … … 19.347 1.105 0.638 19.191 0.482 0.12 0.67 19.604 0.930 11.50
BX-162 … … 16-3/4" 16-3/4" 16-3/4" … 18.720 0.560 0.560 18.641 0.481 0.06 0.33 18.832 0.705 5.00
BX-163 … … 18-3/4" … … … 21.896 1.185 0.684 21.728 0.516 0.12 0.72 22.185 1.006 14.50
BX-164 … … … 18-3/4" 18-3/4" … 22.463 1.185 0.968 22.295 0.800 0.12 0.72 22.752 1.290 21.50
BX-165 … … 21-1/4" … … … 24.595 1.261 0.728 24.417 0.550 0.12 0.75 24.904 1.071 19.00
BX-166 … … … 21-1/4" … … 25.198 1.261 1.029 25.020 0.851 0.12 0.75 25.507 1.373 27.50
BX-167 26-3/4" … … … … … 29.896 1.412 0.516 29.696 0.316 0.06 0.84 30.249 0.902 17.00
BX-168 … 26-3/4" … … … … 30.128 1.412 0.632 29.928 0.432 0.06 0.84 30.481 1.018  
BX-169 … … … 5-1/8" … … 6.831 0.624 0.509 6.743 0.421 0.06 0.38 6.955 0.666 1.76
BX-170 … … … 6-5/8" 6-5/8" … 8.584 0.560 0.560 8.505 0.481 0.06 0.33 8.696 0.705 2.23
BX-171 … … … 8-9/16" 8-9/16" … 10.529 0.560 0.560 10.450 0.481 0.06 0.33 10.641 0.705  
BX-172 … … … 11-5/32" 11-5/32" … 13.113 0.560 0.560 13.034 0.481 0.06 0.33 13.225 0.705  
BX-303 30" 30" … … … … 33.573 1.494 0.668 33.361 0.457 0.06 0.89 33.949 1.078