Continental - Model 31 Series -Multistage Centrifugal Blowers

Number of stage: 1 thru 9 (cast). Inlet connection: 6` (152 mm) flange, matches 125# ANSI. Outlet connection: 6` (152 mm) flange, matches 125# ANSI. Operating speed: 3600 rpm in direct drive (60Hz). Lubrication: Grease lubricated. Impeller diameter: 24` (611 mm). Impeller tip speed: 437 f/s (133.26 m/s). Drive: Direct drive or V-belts. Vibration tolerance: 1.25 mils peak-to-peak (4.5 mm /s). Shaft end: 1` 3/4 (45 mm), inlet end drive standard.