Ring Type Joints

Metal Ring Joint Gasket Type R

The R metal ring joint gaskets are manufactured according to ASME B16.20 2015 and API 6A. The type R oval configuration was the original design and was followed by the type R octagonal which offered more specific contact areas.






The Principal type of material is:

Metal Max. Hardness
Soft Iron 90 BHN
Low Carbon Steel 120 BHN
F5 Alloy Steel 130 BHN
Type 410 S/S 170 BHN
Type 304 S/S 160 BHN
Type 304L S/S 160 BHN
Type 316 S/S 160 BHN
Type 316L S/S 160 BHN
Type 347 S/S 160 BHN
Type 321 S/S 160 BHN

Type R Ring Gaskets – According to ASME B16.20 2015 and API 6 A.




Metal Ring Joint Gasket Type RX


The RX metal ring joint gaskets are manufactured according to ASME B16.20 2015 and API 6A. The type RX series is of higher strength materials designed primarily for well-head pressures of 700 bar and beyond.


Type RX pressure-energized ring gaskets – According to ASME B16.20 2015 and API 6 A.



Metal Ring Joint Gasket Type BX


The BX metal ring joint gaskets are manufactured according to ASME B16.20 2015 and API 6A. The type BX series is of higher strength materials designed primarily for special applications involving high pressures up to 20,000 psi.








Type BX pressure-energized ring gaskets – According to ASME B16.20 2015 and API 6 A


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