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AHU Air Handling Units

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AHU Air Handling Units
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AHU Diagrams

AHU Air Handling Units

 

 

Air Handling Units ( AHU )


AHU

A lot of model with all functions you can desire:

  • Cooling
  • Heating
  • Normal filtering
  • Absolute filtering
  • Humidification
  • Heat recovering

Big (AHU)

Due to their considerable size, these AHU can't be shipped assembled even divided in modules.
This family is divided into two types:

  • version completely dismantled
  • version modules partially assembled


Medium (AHU)

Air Handling Stations with a size which would allow the division into blocks with standard dimensions suitable for shipment by truck or container; ready to be united once a destiny.

Small (AHU)

Air Handling Units that thanks to their small size allow the construction and shipment in a single-piece.

Special (AHU)

Extremely specific AHU, projected for particular sectors or applications such as our air treatment units for laboratories with ISO certification, or air treatment units with built-in diffuser.

 

 

 

 
Some example of installation Some references
  

 






 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The certifications

CE Safety certification in accordance with the provisions of the EU directive 89/392/EEC, 73/23/EEC, 89/336EEC and following, including the latest changes and with its national legislation transposing.


Certification Act CEI 17-13/1 EN60439-1 EN60204 (for switch board).


ATEX certification in accordance with the provisions of the European Directive 94/9/EC.
The marking indicates with certainty that the equipment has been constructed in accordance with the basic requirements and evaluation procedures to the EU.

 

 

The software for designing, sizing and selection

The program for the selection of Air Handling Unit allows us to provide offers with detailed description of each component.

 

Annex to the offer, is also provided a constructive drawing of the CTA - UTA dimensioned so as to allow you to get an idea of the measures and check the necessary space of the installation.

 

 

 

The details of the components

 

The base frame

  
Aluminium tubesGalvanized base

Lifting holes

Feet for small AHU

 

 

The framework

  
Main tubesIntermediate tubes

Corners




 






 

 

The panels

  
Panels with customized coatingsIn addition to natural galvanized or aluminium colours, We make the panelling in several colours; the light blue is the most common

Seals selected according to the final destination of the AHU

Isolation: The choice of material should be made according to the degree of insulation you want, but also by the desired noise level and also according to the total weight of the AHU







 

 

The doors and the accessories

  

Handles

Hinges

Micro switch

Porthole










 

 

The filters

  
First stage:
Medium efficiency filters, with filtering degree from G2 to G4		Second stage:
High efficiency filters, with filtering degree from F5 to F9

Final stage:
Very high efficiency filters, with filtration degree from H10 to U17

Special filters:
Molecular filtration and  chemical filters













 

 

The heat regenerators

  
Plates with cross flowPlates with By-pass system

Plates counter current

Rotary


 

 

The cooling coils and heating coils

  

Copper - Aluminum

Copper - Copper

 Dry cooling

Direct gas expansion

 

 

The humidifiers

  
Adiabatic humidifier with single or double collector.
With disposable water or with recirculation pump 		Humidifier with evaporative surface.
With disposable water or recirculation pump

 

See also: AHU Diagrams

 

Page title: AHU Air Handling Units
Last Update:  19-05-10

 

Martèl: martel-it.com