R38 Octagonal Ring Joint Gasket, Size 4 inch, Stainless Steel 316L , CL2500, Standard ASME B16.20
Standard Octagonal Ring Joint Gasket, Size R32, CL1500, RTJ, Stainless Steel 304, Standard ASME B16.2
R23 Octagonal Ring Joint Gasket, Size 1 1/2 inch, Pressure: CL2500 LBS; Soft Iron , Standard ASME B16.20