Flexline® – Direct Drive
Backward-curved Centrifugal Fan
- Single-width, single-inlet housings.
- Robust galvanised steel and aluminium construction.
- High efficiency, low noise backward-curved centrifugal impellers.
- Large choice of speeds available.
- Easy to fit 35mm TDF profile flange connections.
- To improve energy efficiency, motors can be speed-controlled.
- Motors complying with Ex d, Ex e, Ex nA and Ex tD standards can be fitted.
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Overview
The FlexLine Series of backward-curved centrifugal fans has been developed for ducted applications requiring high pressures. They are available in various speed options and 8 sizes, extending from 315 to 710mm diameter.
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Features and Benefits
Design
The FlexLine Series feature a single width, single inlet housing design. The units can be used for a wide range of applications requiring high pressures for air filtration or long duct runs.
Protection
Thermistors can be supplied on request.
Testing
All units tested to BS848:Part 1, 1980 (airside performance) and BS848:Part 2, 1985 (sound performance).
Specification
Construction
The FlexLine Series have galvanised steel housings with 35mm TDF profile flange connections and a spun aluminium inlet cone.
Impeller
The units feature highly efficient backward-curved centrifugal impellers.
Motor
The fans are built with standard TEFC squirrel cage induction motors with sealed for life ball bearings. The motor is available in three-phase to suit a wide range of voltages and frequencies. Motors to meet Ex d, Ex e, Ex nA and Ex tD standards can be fitted to some models.
Control
The standard motors are speed-controllable using variable speed drives. Multi-speed motors can be supplied.
Typical Applications
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