
Centrifugal forward curved fans:
Call us today: 1-888-763-1800 E-mail: nis@primus.ca
Manufacturers of backward curved fans, heat blowers, air fans and air
blowers, positive displacement PD blowers, commercial air blowers,
drying fans, dry air blowers, heavy duty air ventilators, compressed
air blowers, wall / roof mounted fans, forward curved fans, radial
blowers, fan blades, plug fans, high pressure fans, exhaust fans, suction fans,
up-blast and down-blast fans and blowers, fume extractor
fans, suction vacuum blower, warehouse fans / ventilators, large
industrial fans, large industrial ventilators.
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- Weather Cover
- Belt Guard
- Automatic Discharge Shutter
- Bolted and Quick-Opening Clean-Out Doors
- Vibration Rail Bases
- Inlet Vanes
- Drain fittings
- Inlet or Discharge Screens
- Flanged Inlets or Outlets
- Heat Slingers
- Protective Coatings
- Spark Resistant Construction
AIRFOIL WHEEL: allows
stable operation from wideopen
to closed-off. Ideal for
clean-air applications such as
building ventilation with
variable-air-volume system
control or clean industrial-gashandling.
Dual aerodynamically
designed blade surfaces
BACKWARD
INCLINED WHEEL:
Flat, single-thickness,
backwardly inclined blades are
suited to applications from
clean air to those where dust
and limited material is present
in the airstream
and airfoil shapes are not
BACKWARD
CURVED WHEEL:
Aerodynamic,
single-surface blade shape
offers alternative selection
points to the AcoustaFoil for
building ventilation and
industrial gas-handling.
Backward curved wheels also
provide
the most efficient design of all
wheel types. In addition, the
AcoustaFoil design offers a
broad peak efficiency range
for selection. Because of
superior efficiency,
AcoustaFoil wheels generate
the lowest sound levels over a
wide range of performance.
Sizes 12 and 15 available in
welded aluminum only. Sizes
18 to 73 available in all-welded
steel and optional aluminum
and
stainless steel.
recommended due to material
build-up. Peak efficiency
point is on the steeply rising
portion of the pressure curve
and vastly superior
to forward curved and radial
wheel designs. Sound levels
are the lowest with the
most efficient fan selections.
Sizes 12 to 73 available in allwelded
steel and also optional
aluminum and
stainless steel.ldings where
large volumes of air are
required or where fans must
operate against resistance,
and may also be installed in
duct installations where low
static resistance is
encountered.
provide stable operation from
wide-open to closed-off.
Curved, single-thickness
blade surface generates
efficiency levels approaching
the AcoustaFoil but with
alternative operating points for
greater choice. The backward
curved wheel offers low sound
levels approaching that of the
AcoustaFoil. Sizes
18 to 73 available in all-welded
steel and also optional
aluminum.
Industrial
fans and pressure blowers, high temperature oven fans, high pressure
blowers, centrifugal and axial blowers. Sales of regenerative
blowers, high pressure ventilators, positive displacement pressure
blowers.
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