RX type ring joint gasket is also a R-type gasket, which is used to strengthen the connection. RX type and standard R type are designed for groove seal. It can be instead with standard R-type ring joint gasket. R TYPE Include Octagonal Shape and Oval Shape.
ASME B16.20 Ring Joint Gasket Deminson chart for:
API 6A Flange
ASME/ANSI B 16.5 Flange
MSS S P44 (ASME B 16.47 S ERIES A ) Flange
BS 1560 Flange
RX type ring joint gasket is also a R-type gasket, which is used to strengthen the connection. RX type and standard R type are designed for groove seal. It can be instead with standard R-type ring joint gasket.
RX type is obviously higher than R-type, should pay more attention the tolerance of the flange.
Advantages: the RX type is an improved type designed to strengthen the connection and improve the sealing performance