These short weld flanges 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 corrosive resistant stainless steel. This is ONLY ONE NW63 Short Weld Flange.

Short Weld Flange

ISO-LF Flange Size: NW-63

Common Dimensions: A = 2.37" (60mm), B = 2.50" (64mm), C = 0.22" (6mm)