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Multistage centrifugal blower model 031

Construction materials

Bearing body: Cast Iron FGL 250
Head, sections: Cast Aluminum Al Si 7 Mg
Cross Bar: 3/4” (19 mm) diameter cold-drawn A60 steel
Sealing gasket compound: RTV IS502 Silicone
Sealing (air): 2 graphite rings on each terminal
Sealing (gas): 2 carbon rings on each terminal with inert gas injection

Bearings: 6410 C3 ball bearing per AFBMA B10 standard
Shaft: C35 Carbon Steel (available in stainless steel)
Turbines: Cast Aluminum Si 10 Mg
Engine pedestal: Construction steel
Chassis installation: Anti-vibration plate
Noise level: OSHA compliant (certified testing available)

Technical data

Number of stages: From 1 to 9 (casting)
Inlet connection: Flange 6″ (152 mm), DN 100 PN 10
Outlet connection: Flange 6” (152 mm), DN 65 PN 10
Operating Speed: 3600 direct drive (60 Hz), 6400 with v-belt
Lubrication: Lubricating grease
Turbine diameter: 24″ (611 mm)

Turbine tip speed: 374 f/s (114 m/s)
Critical Speed: 3747 rpm (9-stage)
Transmission: Direct or v-correct
Vibration Tolerance: 1.5 mils from peak to peak (4.5 mm/s)
Final Axle: 1.3 3/4 (45 mm), Standard Final Drive

Dimensions

Blower 31.01 : 234 x 1321 x 1372 (mm) / 415 Kg
Blower 31.02 : 321 x 1321 x 1372 (mm) / 455 Kg
Blower 31.03 : 408 x 1626 x 1676 (mm) / 510 Kg
Blower 31.04 : 495 x 1626 x 1676 (mm) / 550 Kg
Blower 31.05 : 582 x 1778 x 1829 (mm) / 595 Kg

Blower 31.06 : 669 x 1778 x 1829 (mm) / 635 Kg
Blower 31.07 : 756 x 2083 x 2134 (mm) / 690 Kg
Blower 31.08 : 843 x 2083 x 2134 (mm) / 730 Kg
Blower 31.09 : 930 x 2388 x 2438 (mm) / 785 Kg