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Multistage centrifugal blower model 151

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: Cast Aluminum Si 10 Mg
Motor pedestal: UPN plated carbon steel
Chassis installation: Anti-vibration plate
Noise level: OSHA compliant (certified testing available)

Technical data

Number of stages: From 1 to 7 (casting)
Inlet connection: Flange 12″ (305 mm), PN 10 DN 300
Outlet connection: Flange 12” (305 mm), PN 10 DN 300
Operating Speed: 3550 direct drive (60 Hz)
Lubrication: Constant level oil
Turbine diameter: from 25″ (636 mm) to 27″ (686 mm)

Turbine tip speed: 390 f/s (119 m/s)
Critical Speed: 3816 rpm (7-stage)
Transmission: Direct or v-correct
Vibration Tolerance: 4.5 mils from peak to peak (4.5 mm/s)
Final Shaft: 2″ 3/8 (60 mm), Standard Final Drive

Dimensions

Blower 151.01 : 464 x 1524 x 1829 (mm) / 1000 Kg
Blower 151.02 : 629 x 1829 x 2134 (mm) / 1330 Kg
Blower 151.03 : 794 x 2134 x 2438 (mm) / 1650 Kg
Blower 151.04 : 959 x 2286 x 2591 (mm) / 1950 Kg

Blower 151.05 : 1124 x 2438 x 2743 (mm) / 2260 Kg
Blower 151.06 : 1289 x 2591 x 2996 (mm) / 2560 Kg
Blower 151.07 : 1454 x 2743 x 3048 (mm) / 2870 Kg
Blower 151.08 : 1619 x 3048 x 3353 (mm) / 3200 Kg