The CTH range of roof extract fans is available in horizontal discharge formats, and is suitable for many applications including:

- General ventilation - Industrial ventilation
- Industrial / Commercial kitchens

- Models:
- CTHB single phase
- CTHT three phase
- Air stream temperature - 40°C =120°C
- Complete metallic construction

Certified to EN12101-3 Standards.

Applications
Suitable for any smoke extract application where the fan must be roof mounted.

Impeller
Backward curved impellers manufactured in galvanised sheet steel (sizes 140-400) or double coated (cataphoresis + polyester) painted sheet steel (sizes 450-630). All models are dynamically balanced.

Bases
All base parts are manufactured from galvanised sheet steel.

Cowls
All cowls are manufactured from spun aluminium.

Motors
Asynchronous induction motors in die-cast aluminium:
- 230V 50Hz Single Phase
- 400V 50Hz Three Phase (230/400V under request)

- Sealed controllable in single and three phase for models 140-400.
- Sealed for life ball bearing assemblies.

In three phase voltage, the motors can be operated in connection at 380-415, which allows two speed operation of the fans.

General Performance Characteristics
The range consists of 11 unit sizes, covering an airflow range of up to 2.91m³/s. Available with 4, 6, 8 pole, single speed motors and 4/8, 6/12 pole, two speed motor options

Accessories
A full range of accessories is available to compliment this fan range including:

- Sealing frame - JMS
- Flat Roof Up-Stand - JBS
- Acoustic Up-Stand - JAA
- Back Draught Shutter - JCA
- S Flange - JBR
- Flexible Coupling - JPE
- Circular Duct Adaptor - JCC
- Support for individual curb mounted installation - CT/HCT

Typical Ordering Designation

Model
 
Motor
Poles
 
Dia.

CTHT
/
4
-
225

For full performance and selection, please contact our Project Team on 01293 455196 or info@vent-axia.com