Continental - Model 77 Series -Multistage Centrifugal Blowers

Number of stage: 1 thru 8 (cast) - 1 thru 11 (fabricated). Inlet connection: 8` (202 mm) flange, matches 125# ANSII. Outlet connection: 8` (202 mm) flange, matches 125# ANSII. Operating speed: 3550 rpm in direct drive (60Hz). Lubrication: Oil type with constant level (grease optional). Impeller diameter:  24` (611 mm). Impeller tip speed: 372 f/s (113 m/s). Drive: Direct drive or gear box or V-belts. Vibration tolerance:  1.25 mils peak-to-peak (4.5 mm /s). Shaft end: 2` 3/8 (60 mm ), inlet end drive standard.