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Ring type joints are manufactured according to ASME B16.20 (2007)standards and to API specifcation 6A and17B. Careful control of all manufacturing processes ensures correct surface hardness to give a good seal without damaging flange connections.
• Secure sealing action through metal-tometal contact for reliable sealing in high pressure applications
• They are used in the oil field on drilling and completion equipment and in downstream refinery applications. Ring type joints are also commonly used on extremely high-pressure valves and pipework assemblies, along with some high integrity pressure vessel joints.