HVAC Fans — Product Family
Belt-Drive Fans
Belt-driven arrangements where pulley ratios allow the duty to be adjusted on site.
Applications
Retrofit and variable duty installations
- Air handling units
- Central air conditioning
- Ducted ventilation
- Packaged HVAC plant
- Terminal equipment
Key features
- Adjustable pulley ratios
- Motor separated from the airstream
Configurations
- Arrangement 1
- Arrangement 9
- Arrangement 10
Documents
- Technical datasheetAvailable on request
- Dimensional drawingAvailable on request
- Performance curveAvailable on request
- Wiring / control diagramAvailable on request
Reference technical ranges
Representative ranges for equipment sourced in this category. Selection is confirmed against the submitted duty point.
SYP — Double-Inlet Forward-Curved Centrifugal Fan
- Product type
- Double-inlet forward-curved centrifugal fan
- Impeller diameter
- 130–270 mm
- Air volume
- 250–3,000 m³/h
- Static pressure
- Up to 400 Pa
- Drive type
- Direct
- Application
- Central air-conditioning and ventilation systems
SYZ — Double-Inlet Forward-Curved Centrifugal Fan
- Product type
- Double-inlet forward-curved centrifugal fan
- Air volume
- 800–5,000 m³/h
- Static pressure
- Up to 500 Pa
- Drive type
- Direct
- Application
- Central air-conditioning and air-handling systems
SYB — External-Rotor Direct-Drive Centrifugal Fan
- Product type
- External-rotor direct-drive centrifugal fan
- Impeller diameter
- 200–500 mm
- Air volume
- 1,000–20,000 m³/h
- Static pressure
- Up to 600 Pa
- Drive type
- Direct
- Application
- HVAC and air-handling equipment
SYBS — External-Rotor Direct-Drive Centrifugal Fan
- Product type
- External-rotor direct-drive centrifugal fan
- Impeller diameter
- 180–400 mm
- Air volume
- 1,000–8,000 m³/h
- Static pressure
- Up to 500 Pa
- Drive type
- Direct
SYT — Double-Inlet Forward-Curved Centrifugal Fan
- Product type
- Double-inlet forward-curved centrifugal fan
- Impeller diameter
- 7–30 in
- Air volume
- 1,000–50,000 m³/h
- Static pressure
- Up to 800 Pa
- Drive type
- Belt
SYD — Double-Inlet Forward-Curved Centrifugal Fan
- Product type
- Double-inlet forward-curved centrifugal fan
- Impeller diameter
- 180–1,000 mm
- Air volume
- 1,000–100,000 m³/h
- Static pressure
- Up to 1,300 Pa
- Drive type
- Belt
Technical specifications shown are representative reference ranges and may vary by model, configuration, manufacturer and application. Final specifications should be confirmed against the applicable product datasheet.
More in HVAC Fans
Centrifugal Fans
Ducted and pressurised HVAC duties
Housed centrifugal fans with forward or backward curved impellers for pressurised air handling duties.
Double-Inlet Fans
Higher volume air handling units
Double-inlet double-width arrangements for larger volume HVAC duties in a compact footprint.
Direct-Drive Fans
Compact HVAC plant and AHUs
Impellers mounted directly on the motor shaft to reduce transmission losses and maintenance.
What does your system need?
Send the duty, application and quantity you are working with and we will revert with a sourcing proposal.