Half Nipple, NW-320 Vacuum Fittings, ISO-LF Large Flange Size NW-320, short weld stub, tube size 4 inch long (98.30 mm), 304 Stainless Steel.
These half nipple weld stubs follow International Standards Organization (ISO) standards and have a flange size of NW-320. 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 flanges are made of 304 stainless steel.
Half Nipple, NW-320 Vacuum Fittings, ISO-LF Large Flange Size NW-320, Stainless Steel
Dimensions:
A= 12.52 in.(318.00 mm)
B= 12.75 in. (323.85 mm)
C= 3.87 in. (98.30 mm)
Material: 304 Stainless Steel