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Multistage centrifugal blowers are a complementary solution to rotary lobe blowers and turbo compressors for users of vacuum and low pressure systems.
Multistage blowers are ideally suited for all operations where a variable flow at constant pressure is a definite requirement.
BOC Edwards has engineered state of the art blower and exhauster packages. Special attention is given to blower alignment. Steel base frames with machined pads for the blower and motor, all ensure vibration-free operation.
For retrofits BOC Edwards multistage centrifugal blowers and exhausters
will replace existing units involving very few modifications to the piping and base frame.
How it works
The performance characteristics of these blowers generate a variable flow and power at a constant speed.
Multistage centrifugal blowers are dynamic radial compressors.
They build up a pressure by accelerating the fluid in a set of impellers and then decelerating the fluid by means of long radius and high efficiency diffusers. By activating a valve located on the suction side, BOC Edwards blower's special design allows for modulation of airflow while maintaining a constant pressure.
The power consumption is thus in direct proportion to the required mass flow rate.
As an alternative to inlet throttling, air flow can be modulated using a variable frequency drive for specific applications. BOC Edwards can provide a range of pre-engineered control panels for all
your blower and process control needs.
SME SERIES
SME series blowers are manufactured using the most advanced processes, with digital control machining for the highest precision level. Each unit is tested per ASME PTC10. |
A test report is issued showing vibration
data, flow and power consumption
Range
BOC Edwards Hibon meets the most demanding industrial/ municipal requirements for vibration, noise and efficiency. BOC Edwards Hibon blowers can deliver 850 m3/h - 55000 m3/h / 1200 - 18000 CFM of dry/clean air without fluctuations, at pressures occasionally up to 1.3 mbar / 20 psig and a vacuum up to 500 mbar abs. / 15 inch of
mercury.
BOC Edwards Hibon offers the benefits of the proper equipment solution
that is economical and quiet.
BOC Edwards Hibon's flow versus pressure characteristic curve allows for
a wide operating range down to 50% of flow rate, without surging.
BOC Edwards Hibon's knowledgeable staff and our local manufacturers representatives are a valuable asset to every project.
APPLICATIONS
Multi-stage centrifugal blowers and exhausters SME series are engineered to withstand the most demanding applications and to offer years of quiet, vibration-free performance, 24 hours a day, 365 days a year. These units are typically used for:
• Aeration (wastewater treatment)
• Combustion air
• Centralized vacuum cleaning systems
• Landfill gas boosting
• Filter scouring (water / wastewater treatment)
• Flotation air
• Agitation
• Drying
• Flue gas Desulphurization (FGD)
• Oxidation air
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