Fans for HVAC
and Building Services

22 years Ventilation System Experts

HVAC commercial ventilation fans

Dynamic Engineering offers a complete range of roof ventilation, industrial exhaust fans, and commercial building ventilation fans.

Various building services and axial ventilation equipment are also available at competitive prices. These include inline axial, mixed flow and centrifugal fans, roof and wall mounted units.

Roof-mounted fans

Forward curved supply air fans
Small centrifugal roof mounted exhaust fans
Large centrifugal roof mounted exhaust fans
Centrifugal roof supply fans
Small axial roof fans
Purpose built axial roof fans – Vertical discharge
Purpose built axial roof fans – Down-flow discharge

Inline Fans

All size axial fans, including customised sizes.
Small inline mixed-flow fans
Large inline centrifugal fans

Plate mounted axial fans

Ring plate mounted axial fans
Purpose built square plate axial fans
Roof mounted roof cowls
Capable of inlet out outlet air quantities of 40 to 7500 l/sec @ standard pressure drops

READ OUR CASE STUDY

AEROFOIL Axial Ventilation Equipment

Our standard range of axial fans are manufactured in industry standard sizes however can be manufactured to any diameter and length. We offer a variety of variable and fixed pitch impellers available in materials suited to the application. The standard materials are Glass reinforced nylon, polypropylene and polyamide, Aluminum and 304, 316 stainless steel.

Impeller classifications are:

General purpose
Anti-static
High temperature
Chemically aggressive environments
Hazardous zone location
Extreme operating conditions
Standard cases are manufactured from mild steel hot dip galvanized, supplied in a long and short form. Stainless steel and epoxy coated cases are also available.

Axial fans can also be offered in:

Direct drive
Bifurcated
Belt driven styles
Contra-rotating designs

Standard motors are:

Power supply 415 volt 50Hz
MEPS II, TEFC with IP55 protection
Class 'F' insulation
Sealed for life bearings or grease nipples are offered on the larger motors
Two speed, Flameproof and single phase motors are also available
External terminal boxes are fitted as standard to all our fans, with the exception of hazardous and flameproof motors. (External terminal boxes and wiring for these motors can be provided on POA basis) Fan performance data is based on testing carried out to AS2913/1987.

Ancillaries

Matching flanges. (Std. Spun flanges or angle flanges)
Mounting feet
Anti-vibration isolation mounts
Noise attenuators
Inlet or outlet cones
Mesh guards for the fan inlet and/or discharge. (Permanent of removable)
Back draft clampers
Control Clampers

Replacement Parts

We carry a large variety of impeller components and can usually supply suitable replacement parts or assemble a replacement same day.

A variety of rubber in shear AV mounts are stocked and can also be supplied same day. Most other mounts including springs can also be procured and supplied same day.

Cases, silencers and case accessories are generally ordered with each individual orders. Therefore we do not stock these items, however standard items can generally be supplied within a week.