Internal Twin Direct And Belt Drive Fans (NALTF)

NALTF, Nuaire's ducted twin fan unit with a performance duty range of up to 5.5m3/s are suitable for a wide range fo applications - domestic, commerical and Industrial.

Please note that this product can no longer be sold within the EU.

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Internal twin direct and belt drive fan double insulated, manufactured from galvanised steel, internal faces of the case are lined with flame retardant acoustic material.

Features & Benefits:

  • High Efficiency - Forward Curved Centrifugal Impeller  Duty Share - All Fans (Up To And Including Size 15) Include Integral Duty Share, No Requirements For Separate Control Panel
  • Wide Range Of Ancillaries - Speed Control (Direct Drive Only)
  • Wide Choice - Choice Of 16 Models With 3 Configurations - In Line With Circular Or Rectangular Spigots
  • Casing – Double insulated, manufactured from galvanised steel
  • Operating temperature – The fan is CE low voltage directive 2014/35/EU units able to operate up to 60°c

Duct mounted twin fan unit for internal use, with a high efficiency forward curved centrifugal impeller, sensors fitted in each scroll monitor air flow, detect and signal flow failure. Direct drive motors fitted with thermal protection and manufactured to BS5000. Class B insulation and sealed for life bearings. Air is discharged into a common outlet plenum chamber through separate shutter system which prevents blow back through the standby fan. The casing is manufactured from galvanised steel, internal faces of the case are lined with flame retardant acoustic material.

The fan unit incorporates an integral auto-changeover controller which provides 6 hour duty shared operation and automatic selection of the standby fan should the duty fan fail. Fault indication to a remote fail indicator (supplied) is provided via volt free contacts of a relay. The integral run-on timer allows the fan to run-on for a pre-determined time after the initial source (eg. coupled light switch) has been switched off. The run-on period is adjustable between 1 and 60 minutes.

  • Toilets – small and large
  • Small and large offices
  • Supermarkets
  • Flexible connectors (CFC’s)
  • Silencers – long, long podded, standard and standard podded(SIL**)