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Identify Your Blade
Identify your blade
Answer three questions and we’ll tell you the exact replacement blade you need.
1
What size is your blade?
Tiny (1Z Series)
Smallest — electronics cooling, small HVAC, compact refrigeration
Small (2Z Series)
Compact — HVAC extract, agricultural ventilation, small cooling
Medium (4Z Series)
Most common — warehouses, condensers, process cooling, general industrial
Large (5Z Series)
Maximum airflow — cooling towers, mine main fans, large extract systems
Large wide-chord (6Z)
High-pressure large profile — heavy-duty cooling towers, mine ventilation
Widest chord (7Z Series)
High-pressure wide chord — dust extraction, forced-draft, pressurised systems
PMAX 3 (Efficiency)
Compact high-efficiency blade for energy-conscious installations
PMAX 4 (Efficiency)
Mid-range high-efficiency blade for HVAC and heat exchangers
EMAX 4 (Low Noise)
Low-noise energy-efficient blade for offices, data centres, commercial HVAC
2
Which direction does it rotate?
Right-hand (clockwise)
Stand behind the motor, looking at the fan — blades turn clockwise
Left-hand (counter-clockwise)
Stand behind the motor, looking at the fan — blades turn counter-clockwise
3
What environment does it operate in?
General purpose
Standard indoor/outdoor industrial. No chemical or explosion risk.
Chemical / corrosive
Acid fumes, chemical plants, water treatment, coastal salt spray.
Explosive atmosphere (ATEX)
Coal mines, grain silos, petrochemical — Zone 1/Zone 2 classified.
High temperature / heavy duty
Above 80°C, or where maximum structural strength is needed.
