RX 73 Ring Gasket 316SST, API 6A, PSL 4, with API Monogram

RX 73 Ring Gasket 316SST, API 6A, PSL 4, with API Monogram Description:RX 73 Ring Gasket 316SST, API 6A, PSL 4, with API Monogram VigorPetro API 6A Monogrammed Ring Joint Gasket RX Ring Joint Gasket Description: The style RX is an adaptation of the standard style R which energizes on assembly. The RX is designed to fit the same groove design as a standard style R, making the joints interchangeable. Consideration should be given to the difference in finished make-up distance.