Industrial Gaskets stocks an extensive range of Ring Type Joint – RTJ gaskets.
The Ring Type Joint – RTJ – Type SBX series is dimensionally the same as the standard Type BX Ring Type Joint gasket. The “S” prefix identifies it as a gasket having intersecting vent holes allowing a pressure less metal to metal initial contact between the gasket and flange groove while made up underwater.
The Ring Type Joint – RTJ – Type SBX series designed primarily for special applications involving high pressures up to 20,000 psi. The rings are manufactured according to American standards ASME B16.20, API Std 6a.
Style BX gaskets are manufactured in accordance with both API 6A and ASME B16.20 size/ratings, all certified to API 6A through EN10204 Type 3.2. They are not recommended for re-use.
A range of materials available including 316 Stainless Steel, Carbon/Mild Steel, PTFE Coated and Super Duplex
Rings Available BX150 through to BX172 – Refer Sizing Chart Below
NOMINAL PIPE SIZE | PRESSURE CLASSES | |||||
API 6A – BX | ||||||
2000# | 3000# | 5000# | 10000# | 15000# | 20000# | |
1 11/16″ | – | – | – | BX-150 | BX-150 | – |
1 13/16″ | – | – | – | BX-151 | BX-151 | BX-151 |
2 1/16″ | – | – | – | BX-152 | BX-152 | BX-152 |
2 9/16″ | – | – | – | BX-153 | BX-153 | BX-153 |
3 1/16″ | – | – | – | BX-154 | BX-154 | BX-154 |
4 1/16″ | – | – | – | BX-155 | BX-155 | BX-155 |
5 1/8″ | – | – | – | BX-169 | – | – |
6 5/8″ | – | – | – | BX-170 | BX-170 | – |
7 1/16″ | – | – | – | BX-156 | BX-156 | BX-156 |
8 9/16″ | – | – | – | BX-171 | BX-171 | – |
9″ | – | – | – | BX-157 | BX-157 | BX-157 |
11″ | – | – | – | BX-158 | BX-158 | BX-158 |
11 5/32″ | – | – | – | BX-172 | BX-172 | – |
13 5/8″ | – | – | BX-160 | BX-159 | BX-159 | BX-159 |
16 3/4″ | – | – | BX-161 BX-162 | BX-162 | BX-162 | – |
18 3/4″ | – | – | BX-163 | BX-164 | BX-164 | – |
21 1/4″ | – | – | BX-165 | BX-166 | – | – |
26 3/4″ | BX-167 | BX-168 | – | – | – | – |
30″ | BX-303 | BX-303 | – | – | – | – |
Please note that the above chart is a guideline only. Please contact our sales team for further clarification.