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Multistage centrifugal blower model 451

Data Sheet
Detailed Engineering

Construction materials

  • Bearing body:  Cast Iron FGL 250
  • Head, sections:  Cast Iron FGL 250
  • Cross Bar:  13/16” (20 mm) diameter cold-drawn A60 steel
  • Sealing gasket compound:  RTV IS502 Silicone
  • Sealing (air):  2 graphite rings on each terminal
  • Sealing (gas):  4 carbon rings on each terminal with inert gas injection
  • Bearings:  6313 C3 ball bearing per AFBMA B10 standard
  • Shaft:  C35 Carbon Steel (available in stainless steel)
  • Turbines:  Formed aluminum 5754/6082T6
  • Motor pedestal:  Stainless steel
  • Chassis installation:  Anti-vibration plate
  • Noise level:  OSHA compliant (certified testing available)

Technical data

  • Number of stages: From 1 to 8 (casting)
  • Inlet connection:  Flange 18″ (455 mm), PN 10 DN 450
  • Outlet connection:  Flange 14” (355 mm), PN 10 DN 350
  • Operating Speed:  3550 direct drive (60 Hz), v-belt or gears
  • Lubrication:  Oil at constant level
  • Turbine diameter:  26″ (662 mm)
  • Turbine tip speed:  405 f/s (122 m/s)
  • Critical Speed:  4505 rpm (7-stage)
  • Transmission:  Direct or v-correct
  • Vibration Tolerance:  4.5 mils from peak to peak (4.5 mm/s)
  • Final Shaft:  2″ 9/16 (65 mm), Standard Final Drive

Dimensions

  • 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