Centering Ring Assembly, no spacer, NW-100 Vacuum Fittings, Stainless Steel with Viton® O-Ring
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 Viton 0-Ring, no spacer, NW-100 Vacuum Fittings, Stainless Steel
ISO-LF Flange Size: NW-100
Common Dimensions: A = 3.90" (99mm), B = 3.97" (101mm) C= 0.158" (4mm)