RTJ GASKETS Style R - Type R Ring Type Joint Gaskets
The Ring Type Joint was initially developed for high pressure/temperature applications found in the petroleum industry and is primarily used in the oil field on drilling and completion equipment. However, today this product range can also be found on valves and pipework assemblies, along with some high integrity pressure vessel joints.
STANDARD STYLE R RING TYPE JOINTS These are are manufactured in accordance with ASME B16.20 or API 6A. Available in both oval and octagonal configurations, both types are interchangeable on the modern octagonal type grooved flanges. As with all solid metal Ring Type Joints including Style R, it is recommended to replace the ring when flanged
connection is broken.
Surface finish of the Style R Ring Type Joint sealing faces (radiused ends of an Oval and the 23° angled faces of an Octagonal shape) shall not be greater than 1.6 μm Ra / 63 μin RMS. Flexitallic Style R Ring Type Joints can be manufactured in accordance with all relevant standards to suit the following flange designations:
API 6A
ASME B16.5
ASME B16.47 SERIES A
BS1560
