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Hollow Type Axial
Fan
Airfoil-shaped hollow blades are made from extrusion Aluminum Alloy.
Fan hubs are fabricated with hot-dip galvanized (HDG) circular plate,
Casting Iron core with epoxy coating and Aluminum blade clamps.
The fan blades are adjustable in pitch for permitting maximum utilization
of rated horsepower and optimum performance.
High efficient with lower tip speed and light weight design ensures
low power consumption and low noise and guarantee 100% performance. |
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Transmission
System
The fan motors are TEFC type with IP55 weather proof, Class E insulation.
Fan s are driven by vee belt and can be adjusted to the fan speed
by changing pulleys to meet different requirement. Motor located
on top of fan stack design shorten the vee belts length and ensures
long life. Outside air stream motor location and gear driven system
are also available upon request. |
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Distribution System
Open gravity fed water distribution basins with removable cover
are made of Stainless Steel (SS304 or SS316) and are designed
for non-clogging operation and ease of inspection.
Special design diffusion decks are placed on top of
filler as a re-distribution layer to ensure full coverage of filler by small droplet. |
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High Efficient Filler
Fillers are vacuum formed of 0.4mm (1/64”) thick PVC film.
Filler sheets configuration incorporates sloped flutes in
both air intake and outlet sections and high efficient wet deck media.
The honeycomb shaped air intake louver section
contributes minimum resistance to airflow and
prevents ingress of foreign matters.
The sloped flutes in the outlet section of filler
sheets are function as the primary drift eliminators
to reduce the droplets escaped through the exhaust air stream. and primary drift eliminator and ensures the drift loss less than 0.05% of circulating water flow.
The wet deck media with continuous triangular pattern is specially designed to provide maximum air/water contact and lower resistance ensuring high efficient heat transfer. |
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Casing Panels and Cold Water Basin
Casing, basins and fan stacks are made of FRP.
The smooth and attractive gel-coat is applied on
exterior surface for UV protection, chemical
resistance and long life. It is light in weight and makes
easier of assembly and transportation.
Hot-dip galvanized (HDG) or all Stainless Steel (SS304 or SS316) casing
and basins instead of FRP are also available.
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Sump Tank
The FRP cold water sump tanks contain all connection fittings and make the inspection or maintenance of fittings easier. Depressed sump tanks provide basin depth and less chance of pump cavitation.
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Steel Structure
All supporting steel members are hot-dip galvanized
(HDG) to minimize rust forming and corrosion and
ensuring long service life. Stainless steel (SS304 or SS316) hardware members are also available upon request. |
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Inspection Door
Inspection door is furnished to provide convenient
access to the interior for inspection, maintenance,
adjustment of float valve, cleaning of the
life-out strainer and flushing the basin |
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Perimeter Handrail and Safety Caged Ladder
HDG sturdy and stable perimeter handrail on top of the tower
and caged ladder provides safety access and walkway for maintenance
and inspection. Stainless steel handrail and ladders are also available. |
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