Approved Vendor FLCS1RFTHD300 Metal Pipe Flange, 3 in, Female NPT Threaded, Steel, Raised Flange, Class 150 49H340 Surge Current 27 kA Medical Surge Current 27 kA Medical Facility Use Patient Care Only When Permanently Mounted (UL 1363A) Coverage Area 725 sq ft gal Pipe Size (Fittings) 3" Pipe Size Pipe Fitting 3 in Flange Thickness 7 8 in Flange Outside Diameter 7 1 2 in Bolt Circle Diameter 6 in Nominal Pipe Size 3 in Bolt Hole Diameter 3 4 in Overall Length 4 1 4 in Wire Rope Length 4 1 4 in Length 4 1 4 in Specific Fitting Shape Flange Fitting Connection Type NPT Pipe Fitting Material Black Steel Class Class 150 Standards ASME B16 7 1 2 in Flange Outside Diameter