Fantech
ProductsFansBy Mounting TypeDWDI Centrifugal Fan - Laminar – 30LDW
DWDI Centrifugal Fan - Laminar – 30LDW
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DWDI Centrifugal Fan - Laminar - 30LDW - Fan

Performance Curve - 30LDW

Performance Curve for DWDI Centrifugal Fan - Laminar 30LDW

Description

The Centrifugal Fan range of backward-inclined laminar or aerofoil-section fans, encompasses both single-width and double-width units.
They feature high strength fully welded mild steel casings and each range is available in 20 sizes, extending from 305mm (12 inch) to 2035mm (80 inch) diameter.
Features
  • Casings are made of high strength fully welded mild steel.
  • Finished in a durable prime coat of grey coloured zinc phosphate. Other finishes available.
  • Choice of high performance backward-inclined laminar or aerofoil-section blades available.
  • Impellers are a high strength welded construction.
  • Wide range of performances available. See Special Note.
  • Multi-speed motors can be supplied.
  • Belt or direct-drive arrangements available.
  • Speed-controllable using variable speed drives.
  • Can be ordered to handle hot, toxic, noxious or explosive gases.
Construction

Fully welded mild steel casings.
Prime coat of grey, zinc phosphate is the standard finish.
Impellers are fully welded and are available as backward-inclined laminar(L) or aerofoil-section(AL) design.

Motors

Type - squirrel cage induction motors
Electricity supply - single or three-phase to suit a wide range of voltages and frequencies.
Bearings - ball or roller.
Motors with multi-speed windings or to suit Ex d, Ex e, Ex nA, Ex tD. or similar special needs can be fitted.

Internal Thermal Protection

Thermistors can be provided.

Testing

Air flow tests to BS848:Part 1 1980
Noise tests to AS1217-1972

Special Note

The quick-selection graphs on page E-11 are designed to give a close indication of the fan size required to perform the specified duty. Detailed selections can be determined using the Fans by Fantech Product Selection Program, or by referring to our sales engineers.

Suggested Specification

The Centrifugal Fans shall be of the SWSI or DWDI type as supplied by Fantech Pty Ltd.
The housings shall be of welded mild steel with a grey, zinc phosphate finish.
Impellers shall suit single-width or double-width arrangements as required and be backward-inclined laminar or aerofoil-section. Impellers shall be fully welded.
All fans shall be tested to BS848:Part 1 1980 for air flow and AS1217-1972 for noise.

Technical Data - 30LDW

Speed [rps] Avg. dBA @ 3m kWatts (Input) Amps Max.°C Approx. Weight [kg]
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