Cylindrical cased axial flow fans
TTT-N Series

TTT-N

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TTT-N

Range of cylindrical cased axial flow fans with the motor located externally to the fan casing and incorporating a belt-driven impeller, making this range suitable for continuous operation up to 120ºC. The casings are manufactured from high-grade rolled sheet steel, protected against corrosion by cataforesis primer and finished with black polyester paint. The drive system consists of an industrial poly V-belt drive pulley system, which is enclosed within a metal protective guard. All models incorporate diecast aluminium impellers available with 2 or 3 fixed blade angles. The impellers are finished with a black polyester paint coating.

Motors
All the motors are IP55 class F, fitted with ball bearings greased for life.
Electrical supplies: Three phase 230/400V-50Hz or 400V-50Hz (See characteristics chart).
Additional Information
Standard air direction: form (A) configuration (Motor over Impeller). NI versions incorporate safety switch, stop/start.

On request
NI versions: fitted with ON/OFF isolation switch. Single phase 230V-50Hz motors (up to 1.5 kW).

ATEX

ATEX versionsOn request, explosion proof versions in accordance with ATEX Directive, for 3 phase models.
For ambient working temperatures from -20ºC to +40ºC.
Air direction motor- impeller (A flow)
- ATEX Flameproof - Gas:
In standard ATEX version flameproof motors are without thermal protection.
If used with frequency inverter, flameproof motors with a PTC-type thermal protection must be specified at order.
II 2G Ex d IIB T4
II 2G Ex d IIB+H2 T4 (with Ex d IIC T4 motor)
- ATEX Increased safety - Gas:
II 2G Ex e II T3
- ATEX - Dust:
In standard ATEX version, ATEX motors for dust are without thermal protection.
If used with frequency inverter, ATEX motors for dust with a PTC-type thermal protection must be specified at order.

Attributes

  • TTT-Nbdp506

    Easy to mantain
    Swing-out fan casing assembly provides an easy access for cleaning or maintenance.

  • TTT-Nbdp487

    Dynamically balanced impeller
    Impellers are dynamically balanced, according to ISO 1940, providing vibration free operation and coated with a special low friction paint repelling the dirtiness.

  • TTT-Nbdp481

    ON/OFF isolation switch
    NI versions incorporate safety switch, stop / start.

Downloads
  • pdf_ins1 Ins_TTT-N_NI 2.48Mb
  • pdf_serie EN_TTT-N 1.34Mb

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