These flange bolted weld on stubs 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 flages are made of non corrosive stainless steel. This is One Flange Only.

Flange Bolted Weld-On, Four Bolt Holes, NW-63 Vacuum Fittings, ISO-LF Large Flange Size NW-63, Stainless Steel

ISO-LF Flange Size: NW-63

Common Dimensions: A = 5.125" (130mm), B = 2.4375" (62mm), C = 0.500" (12mm)