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7 models

Axial Fans & Condenser Fan Motors

External-rotor axial fans for evaporators, condensers, cooling towers and industrial ventilation. The motor sits inside the impeller hub, keeping the fan compact and well-cooled, with guards and mounting rings ready to fit.

YWF.A4S-250S External Rotor Axial Fan, 55 W

Axial Fans models

Selection guide

What to know before you specify.

An external-rotor axial fan integrates the motor into the impeller hub, saving space and improving cooling. Select by diameter, airflow (m³/h) at the required static pressure, voltage and direction of airflow (suction or blowing).

Common applications

  • Air cooling systems
  • Condenser cooling
  • Industrial ventilation
  • Cooling towers
  • Exhaust & condenser cooling
Sizes
200 to 900 mm, 4-, 6- and 8-pole
Supply
220 V single phase or 380 V three phase, 50/60 Hz; EC options
Blades
Steel, aluminium, stainless or plastic
Protection
Typically IP54, Class B/F insulation, ball bearings
Suction or blowing airflow?

Evaporators usually draw air through the coil (suction), while many condensers blow air through it. Specify the airflow direction when ordering — it determines the guard side and blade orientation.

Can you match a fan from another brand?

Usually yes. Send diameter, voltage, power, rpm and mounting dimensions or a nameplate photo.

What is the warranty?

Fans are covered by a 1-year warranty against manufacturing defects, as listed on each product page.

Tell us the room. We’ll engineer the rest.

Send size, temperature and product — get drawings, a matched equipment list and a quotation, usually within 24 hours on working days.