OVAL SECTION RING-JOINT GASKETS ANSI B 16.20 Shapes Oval, Octagonal Standards/Grades NFE 29-900-4 / ASME B 16.20 Mild steel, alloy steel, stainless steel Dimensions / Tolerances / Testing (according to Standard) References R.11 to R.105 (According to Standard) RX.20 to RX.215 and BX.150 to BX.303 Finishing - Certification 3.1 B according to EN 10 204 Applications Metal gaskets for metal-to-metal sealing Applications For all specific pipe work connection problems