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These are high volumetric but
low pressure generally used to handle hot gases or hot air.
Below 80 deg cent, the blowers may be direct driven type,
but above this they are either belt driven or driven through
flexible couplings. It can be supplied in M S and S S
construction. Mild steel is suitable for working up to 300
deg cent, whereas with SS construction, they can be used up
to 600 deg cent with V-belt or flexible drive, and with
water cooled bearings they can work satisfactorily at as
high as 1000 deg cent.The impellers are in welded
construction and they are statically and dynamically
balanced. Drain out plugs and cleaning doors can be
incorporated whenever required. |
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