API Ring Type Joints are widely used in high pressure hydrocarbon service in Oil and gas production. Used in both Topside and Subsea applications they incorporate a high integrity metal to metal seal and offer a highly reliable and robust connection.

All Ring Type Joints and API Rings supplied by Alba Gaskets are manufactured to API 6A PSL Level 4, the highest recognised industry standard. All materials are fully traceable and meet the requirements of NACE specifications.

Full Description

Our extensive range includes R Oval, R Octagonal, BX Rings, RX Rings, SBX Rings, SRX Rings, SR Rings, BOP Rings, Ring Type Joints, API Rings and Kamos Test Ring Joints. All materials are available from Soft Iron, 316, Inconel 625 or 825, Duplex, Super Duplex. Please contact us for more info or to order.

The following metallic ring styles fall within our subsea RTJ scope of supply:

  • R Style Octagonal or Oval Section - These rings are totally interchangeable to suit ASME / ANSI B16.5 Flanges
  • BX Style - API rings to suit API 6A Flanges
  • SR Style - Special R rings in either octagonal or oval section to suit subsea applications
  • SRX Style - Special RX rings to suit subsea applications
  • SBX Style - Special BX rings to suit subsea applications
  • Subsea & Wellheads Rings - Machined parts to customer drawings
  • Specialised Rings - to suit problematic flanges, details upon request.


  • High Pressure API and ASME Ring Type Joint flanges
  • Wellhead and drilling equipment
  • Subsea manifolds and pipelines
  • High pressure connections