 For
building-cooling a blower should be energy efficient, high volumetric
and optimum pressure. Optimum pressure means a pressure to overcome
pressure drops in filter, air washer and GI duct room pressure
should be 3 to 5 mm WG.
Due to same reason we prefer low RPM, large dia of impeller
and more no. of blades with large area.
For any requirements according to customer's need.
* High Pressure Blowers upto 3000 mm of WC.
* High temperature up to 8000 C operation, generally used
for Annealing furnace.
* Building cooling Blowers at optimum pressure & high
volume of cooling air.
Benefit : Leakages from door openings, cable
entries etc., are compensated very fast and energy consumption
is low due to low r.p.m. & optimum pressure.
Casing : Fabricated from good quality HR/CR
sheet (thick gauge) double inlet-descaled, degreased, Epoxy
primer coated & Epoxy paint to protect from moisture.
 Impeller
: Double width (Blades on both the side of the centre
plate) Backward curve limit load characteristics. Degreased,
descaled Epoxy primer coated, Epoxy paint, statically and
dynamically balanced.
Shaft : EN8 overall machined & grinding.
Bearings : Heavy duty self
aligning 223…. K series FAG or SKF bearing with adopter
sleeves and heavy duty cast iron plumber blocks.
Drive : V-belt Drive All
pulleys statically & dynamically balanced. For large blowers
Flat belts & Flat pulleys are provided for energy saving.
Base frame for Centrifugal Blower
: M.S. Channel base frame for installation of Centrifugal
blower and motor, slide rails for motor, Anti-vibration pads,
V-belt guard etc. Upto 25000 CMH single Centrifugal Blower,
But for higher capacity 2 Nos. half & equal capacity same
characteristics blowers are supplied which operated in parallel.
Motor : Standard make like
Bharat Bijlee / Siemens / NGFF / Kirloskar / Crompton 1440
rpm., 415 volts, IP 55 Protection “F” class insulation
with “B” class temperature rise.
MCC : Foot mounted, IP
54 protection, well spacious feeders. Separate feeder for
individual drive. 415/220/110-2 KVA control transformer. All
feeders with ON-OFF-TRIP indication, Ammeters, Remote start
& stop provision, incomer feeder with RYB indication,
Voltmeter, ASS, VSS. All main components will be either L&T
or Siemens or ABB or whatever customer needs. All fabrication
& painting as per IS Standard.
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