Multistage centrifugal blower model 451
Material of construction
- Bearing housings : Cast iron FGL 250
- Head, Sections : Cast iron FGL 250
- Tie rods : 13/16” (20 mm) diameter cold drawn steel A60
- Joint sealing compound : RTV IS502 Silicone
- Seals (air) : Graphit rings each end
- Seals (gas) : Four carbon rings each end with inert gas injection
- Bearings : Ball bearings 6316 C3
- Shaft : Carbon steel C35 (stainless steel available)
- Impellers : Cast aluminium Al Si 10 Mg
- Baffle rings : Stainless steel
- Motor pedestal : UPN roll carbon steel.
- Base frame installation : Anchor bolts or antivibrations pads
Technical data
- Number of stage :1 thru 9 (cast)
- Inlet connection : 16" (420 mm) flange, PN 10 DN 350
- Outlet connection : 14” (355 mm) flange, PN 10 DN 350
- Operating speed : 3570 rpm in direct drive (60 Hz)
- Lubrication : Oil type with constant level
- Impeller diameter : 29" (736,5 mm)
- Impeller tip speed : 452 f/s (138 m/s)
- First critical speed: 4753 rpm (8-stages)
- Drive : Direct drive or gear box or V-belts
- Vibration tolerance: 1.34 mils peak-to-peak (4,5 mm/s RMS)
- Balance piston: From 3 to 9 stages
- Shaft end : 2" 3/4 (70 mm), inlet end drive standard
Blower size
- Blower 451.01 : 601 x 2700 x 3000 (mm) / 2650 Kg
- Blower 451.02 : 798 x 3100 x 3400 (mm) / 3400 Kg
- Blower 451.03 : 995 x 3300 x 3650 (mm) / 4150 Kg
- Blower 451.04 : 1192 x 3600 x 3900 (mm) / 4680 Kg
- Blower 451.05 : 1389 x 3800 x 4100 (mm) / 5420 Kg
- Blower 451.06 : 1586 x 4000 x 4400 (mm) / 5910 Kg
- Blower 451.07 : 1783 x 4100 x 4500 (mm) / 7360 Kg
- Blower 451.08 : 1980 x 4200 x 4700 (mm) / 7825 Kg
- Blower 451.09 : 2177 x 4500 x 5000 (mm) / 7825 Kg
