Ring Type Joints are available in both oval and octagonal profiles, standard style R ring type joints are manufactured to meet both API 6A and ASME B16.20 sizes and ratings. Also available are Style RX ring type joints which energizes on assembly. This type is designed to fit the same groove as a style R therefore making them interchangeable. For very high pressures, often found in sub-sea wellhead and Christmas tree systems, the style BX is used. Subsea versions of all styles are available with pressure balance holes
Ring Type Joints (RTJ)
Flange Rescue Gasket Ring Joint (FRG-RJ) by Flexitallic is a modified R-Oval or R-Octagonal with inner section matched to the bore.
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
Style R Octagonal Section - For use with ASME and API flanges with flat bottomed groove.
Style R Oval Section - For use with ASME and API flanges with a flat bottomed or oval groove.