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Ring Joint Gasket can endure high pressure or alternation pressure (1500 bar) With correct material, it can be used in the situation with high temperature (1000oC) and corrosively. The key of reliable operation is accurate installation; The load and unload of gaskets rely on the solid structure of gaskets; To control the hardness of gaskets accurately guarantee under the circumstance of excellent sealing performance, gaskets dont damage the flange. They can be used in the areas such as marine work, chemical engineering and petrochemical industry. Oval/Octagonal Ring Joint Gasket. Type R, Oval shape Standard oval shape Ring Joint Gaskets apply to standard groove flange. Type R, Octagonal shapeStandard octagonal shape Ring Joint Gaskets apply to standard groove flangeType RXThe pressure can up to approximately 700bar. To using this kind of gaskets firstly the outer sealing surface approach to flange, the higher system pressure generates higher bottom stress. The type RX can interchangeable with standard type R. Type BX The pressure can up to approximately 1500bar. BX gaskets are self energized by the internal system pressure which increases the gasket seating stress on the flange contact surface. This Ring Joint is only suited for API-type BX flanges and grooves Metallic MaterialMaximum HardnessIdentificationTemperature oCBrinellRockwell BMin.Max.Soft Iron9056D-40540Low Carbon Steel12068S-60500SS41017086410-40850SS30416053304-250540SS31616053316-200815SS34716053347-200870Copper80-C-100315Aluminum35-AI-200425Inconel 60015078Y-1001095Incoloy 82515078W-1001095Monel 40015078M-100760Titanium21577T-200540Nickel 20011058N-200760Hastelloy B2230121X1-1001095Hastelloy C276210110X2-1001095Different kinds of structure can be availble to visit our Tiansheng Sealing Packing Co., Ltd 's website.