Name

Cross Section

Model NO.

API Type R oval ring-joint

RJO

API Type R octagonal ring-joint

RJS

API Type RX pressure engergized ring-joint

RJRX

API Type BX pressure engergized ring-joint

RJBX

Modified Bridgeman ring-joint

RJB

Delta ring-joint

RJD

Lens ring-joint

RJL

Double cone ring-joint

RJW

Round ring-joint

RJR

Weld ring

WDR