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Ring Type Joint, BX (RTJ-BX)

The Style BX ring type joint is manufactured in accordance with API 6A. All BX ring type joints incorporate a pressure passage hole to allow for pressure equalization each side of the sealing faces.

On assembly, metal to metal contact of the flange faces is achieved. The Style BX is not interchangeable with any other style, and is only suited for API 6BX flanges. Style BX ring type joints are designed to seal pressure up to 20,000 psi in accordance with API 6A pressure ratings.

We can also offer Style SBX RTJ’s which have two pressure passage holes making the gasket suitable for subsea installation.


Ring type joints excel in high-pressure applications such as oil and gas exploration and production.

RTJs are also used on valves, pipework in heat exchangers higher than 600 Lbs, and pipework assemblies in refineries and other process industries.


  • API 607
  • ASME B16.20


Standards & Reccommendations

ASME B16.20en
API 607

Quality (QA) & Pre-qualification

ISO 9001:2008
JQS Achilles (Oil & Gas)
Sellihca (Utillities)