Ring Joint Gaskets (RTJ) from VikTech Fittings are precision-engineered metallic gaskets designed for high pressure and high temperature sealing applications. Available in Oval, Octagonal, BX, and RX types as per ASME B16.20 and API 6A standards. Manufactured in Carbon Steel, Stainless Steel, Duplex, and special alloys for critical applications. Standards: ASME B16.20 API 6A / API 17D BS 1560 DIN EN 12560-5 Types Available: Oval Ring Joint Gasket (R-Type) Octagonal Ring Joint Gasket (R-Type) BX Type Ring Joint Gasket RX Type Ring Joint Gasket Size Range: ½” to 36” (DN15 – DN900) Pressure Rating (Class): Class 150, 300, 600, 900, 1500, 2500 API 5,000 – 20,000 PSI Material Options / Grades: Carbon Steel: ASTM A105 Stainless Steel (SS): SS304, SS316, SS321, SS347, SS410 Alloy Steel: F5, F9, F11, F22, F91 Special Alloys: Inconel 600/625/825, Monel 400/K500, Hastelloy C22/C276, Duplex (S31803/S32205), Super Duplex (S32750/S32760), Titanium Applications: Oil & Gas Drilling & Refining Petrochemical & Fertilizer Plants Subsea & Offshore Platforms High Pressure Steam & Boiler Systems Valves & Wellhead Equipment Power Generation Plants