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. The 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 Aluminum.

Centering Ring, NW-63 Vacuum Fittings, Aluminum with O-Ring

ISO-LF Flange Size: NW-63

Common Dimensions: A = 2.63" (67mm), B = 0.15" (4mm)