Roof Mounted Smoke Fans - CTH

Prices and stock levels correct at the time of printing (08/02/12 2:38)

Overview

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.

Typical Applications

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

Dimensions

Type	ØAH	BH	C	ØD*	E	ØF
140	415	277	300	180	245	10
180	415	292	300	180	245	10
200	561	340	435	250	330	12
225	561	383	435	250	330	12
250	762	425	560	355	450	12
315	762	469	560	355	450	12
400	850	532	630	400	535	12
450	962	713	710	500	590	14
500	1214	824	905	630	750	14
560	1214	874	905	630	750	14
630	1336	1029	1100	710	845	14

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Downloads

F&W Instructions

Catalogue Pages

Features

At a Glance:

Certified to EN12101-3 Standards.
Impellers manufactured in galvanised sheet steel.
Cowls manufactured from spun aluminium.
A full range of accessories is available to compliment the range.

Benefits:

Rated at 400°C/2h to EN12101-3
All metallic construction
Single & three phase options
Single & two speed motor options
Backward curved impellers
IP55 Protection

Vent-Axia are leading manufacturers and suppliers of heating, ventilation and air conditioning systems, both in the UK and around the world. For over 75 years, we have led the industry in air ventilation products, systems and services. Whatever your requirement, budget or setting, Vent-Axia can provide the solution you need. From extraction fans for the home to large commercial ventilation solutions, our wide HVAC range features a product for every air handling purpose.

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