Centering Ring, with no rubber 0-Ring NW-63 Vacuum Fittings, Stainless Steel These centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-63. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Centering Ring with no 0-Ring, NW-63 Vacuum Fittings, Stainless Steel ISO-LF Flange Size: NW-63 Common Dimensions: A = 2.625 (67mm), B = 2.75 (70mm) C= 0.1875 (4mm)

Centering Ring, with no rubber 0-Ring NW-80 Vacuum Fittings, Stainless Steel These centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-80. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Centering Ring with no 0-Ring, NW-80 Vacuum Fittings, Stainless Steel ISO-LF Flange Size: NW-80 Common Dimensions: A = 3.125 (80mm), B = 3.25 (82mm) C= 0.1875 (4mm)

Centering Ring, with no rubber 0-Ring NW-100 Vacuum Fittings, Stainless Steel These centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-100. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Centering Ring with no 0-Ring, NW-100 Vacuum Fittings, Stainless Steel ISO-LF Flange Size: NW-100 Common Dimensions: A = 3.875 (99mm), B = 4.00 (101mm) C= 0.1875 (4mm)

Centering Ring, with no rubber 0-Ring NW-160 Vacuum Fittings, Stainless Steel These centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-160. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Centering Ring with no 0-Ring, NW-160 Vacuum Fittings, Stainless Steel ISO-LF Flange Size: NW-160 Common Dimensions: A = 5.875 (150mm), B = 6.00 (152mm) C= 0.1875 (4mm)

Centering Ring, with no rubber 0-Ring NW-200 Vacuum Fittings, Stainless Steel These centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-200. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Centering Ring with no 0-Ring, NW-200 Vacuum Fittings, Stainless Steel ISO-LF Flange Size: NW-200 Common Dimensions: A = 8.25 (210mm), B = 8.375 (213mm) C= 0.1875 (4mm)

Centering Ring, with no rubber 0-Ring NW-250 Vacuum Fittings, Stainless Steel These centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-250. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Centering Ring with no 0-Ring, NW-250 Vacuum Fittings, Stainless Steel ISO-LF Flange Size: NW-250 Common Dimensions: A = 10.1875 (259mm), B = 10.25 (261mm) C= 0.1875 (4mm)