R series gaskets can be manufactured in accordance with all relevant standards to suit the following flange designations: API-6A, ASME/ANSI B16.5, MSS SP44 (ASME B16.47 SERIES A) & BS 1560.
Oval Ring Joing Gasket available in both oval and octagonal configurations, both types are interchangeable on modern octagonal type grooved flanges.Tolerance: (mm):Width of Ring --- +/- 0.20;Height of Ring --- +/- 0.50;Pitch Diameter --- +/-0.18;(Octagonal) Angle of 23o --- +/- 0.5o
Materials: Carbon Steel, Soft Iron, SS304, F5, 321, 304L, 316L, 316, 347. Or other materials according to your request.
Gasket typeGasket cross sectionRing joint gasket standardFlange standardOvalASME B 16.20 API 6AANSI B 16.5ASME B16.47, series AOctagonalASME B 16.20 API 6AANSI B 16.5 ASME B16.47, seriesARXASME B 16.20 API 6AAPI 6 BBXAPI 6AAPI 6 BX
Available material
MaterialMaximum Hardness (BRINELL)T( ° C)Soft Iron90530Low Carbon Steel1205304C6% Chrome 1/2% Mol(F5)130500304 Stainless Steel160750316 Stainless Stee160750321 Stainless Stee160750347 Stainless Steel160750410 Stainless Steel17050031254 Stainless Steel160650Monel140600Inconel 8251601000Inconel6251801100