Hi-Tech Seals stocks ring type joint gaskets in R oval, R octagonal, RX, and BX styles.

R series (R Oval and R Octagonal)

Manufactured in accordance with ASME B16.20 or API 6A. Used in API 6B and ASME B16.5 flanges. R series ring type joint gaskets are available in oval and octagonal designs. The oval design can be used in older round bottom gland designs, while both can be used in a flat bottom design.
Metal RTJ R-Series are rated up to 5000 psi.

RX Series

Manufactured in accordance with ASME B16.20 or API 6A. Used in API 6B and ASME B16.5 flanges. RX series are interchangeable with R series octagonal gaskets.
Metal RTJ RX-Series are rated up to 5000 psi.

BX Series
Manufactured in accordance with ASME B16.20, API 6A and API 17D. Only used in API 6BX flanges. BX series ring type joint gaskets feature a pressure relief vent.
Metal RTJ BX-Series are rated up to 20000 psi.

See our ring type joint gaskets literature for more information.