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Roof Mounted Axial Flow Fans HCTB / HCTT Series

Description

HCTB/HCTT

Range of axial roof fans with horizontal air discharge configuration available in 2 version:
-“B” models for air extract.
-“A” models for air supply.
Base manufactured from galvanized sheet steel.
Cowl manufactured from spun aluminium. The impellers for models 315 to 400 are manufactured from one piece injection moulded plastic, reinforced with chemical anchored fibreglass for additional strength. Models 450 to 1000 incorporate separate plastic blades locked within a die cast aluminium hub.
Available, depending upon the model, with single or three phase motors in 4, 6, 8 or 4/8 poles.Motors
All motors are IP65 (1) Class F (2) with thermal protection (3) and ball bearings greased for life.
Electrical supply:
-Single phase 230V-50Hz (Capacitor located inside the wiring terminal box).
-Three phase 400V-50Hz.
(See characteristics chart).
All single phase models are speed controllable by voltage except HCTB/4- 560, HCTB/4-630.
All three phase models are speed controllable by autotransformer, except models HCTT/4- 560, HCTT/4-630, Ø 710 to 1000.
Three phase models, 1 speed motor, are speed controllable by inverter.
(1) 800 to 1000 models are IP55.
(2) Air stream temperature limits -40ºC to +70ºC (except models 800 to 1000 suitable for usage in environments from -20ºC to 40ºC).
(3) 800 to 1000 models are not equipped with thermal protection.Aplications
Industrial process ventilation, agricultural facilities, swimming pools and data centers.

ATEX

HCTT ATEX
ATEX versions available for 3 phase models. For ambient working temperatures from -20ºC to +40ºC.
Motors IP55, class F.
– ATEX Flameproof – Gas
Only available for 800 to 1000 models
II 2G Ex d IIB T4<br<II 2G Ex d IIB+H2 T4 (with motor Ex d IIC T4)
– ATEX Increased safety – Gas
II 2G Ex e II T3
– ATEX – Dust
Only available for 800 to 1000 models
Suspended flammable particles and non-conductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)
To select HXTT ATEX refer to performance data or EASYVENT.
Note electrical data may vary for ATEX motors.</br<

Attributes

  • HCTB/HCTTbdp506

    Easy to install
    Supports to facilitate installation in the roof.

  • HCTB/HCTTbdp487

    High quality steel sleeve
    Ensuring the long life of the fan.

  • HCTB/HCTTbdp481

    Impeller dynamically balanced
    Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation.

  • HCTB/HCTTbdp531

    Bird-proof guard.

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