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Notes on use and selection of carbon filters

1. As a guide a 25mm nominal thickness Carbon Panel should be selected to have a window velocity not exceeding 0.2 m/s if it is to achieve a contact (or dwell) time
of approximately 0.1 seconds. This equates to a 600x600x25mm nominal Carbon Panel being able to handle about 0.075 m³/s at 0.1 second contact time

2. Where hot air is being filtered, for example extract from a cooker hood, the Carbon
Filters
should be positioned as far from the heat source as possible. Air stream
temperatures in excess of 40ºC should be avoided. If higher temperatures are anticipated, it may be necessary to reduce the air temperature by means of a fresh air bleed, or provision of a cooling coil

3. Humidity should be kept below 80% RH to prevent condensation occurring within the Carbon. If this figure is exceeded and condensation takes place, a dramatic increase in resistance will occur

4. Pre-filters must be fitted in the system to prevent contamination of the Carbon Panel with particulates. This is in addition to the Grease Filters fitted on the cooking extract.
Pre-filtration would normally be provided by a G4 bag as a minimum – Ace Filtration
Type AB20. If space is limited, then use of a pre-filter panel type ASPC is recommended

5. Some applications may require a much higher grade of pre-filter. Some cooking operations produce large amounts of smoke, which is detrimental if allowed to reach the carbon filters. In this situation a HEPA or electrostatic filter will be required in addition to the pre-filters mentioned above

APPLICATION AIR VOLUME
   
Canteens, normal kitchens & restaurants As rated volume
   
Kitchens producing large amounts of fried foods or concentrated cooking of burgers Base on 50% of rated volume
   
Indian or specialist restaurants (Curry, spices etc) Base on 33% (or in extreme cases25% of rated volume)
   
Excess of onions or garlic Base on 33% (or in extreme cases 25% of rated volume)
   
General air conditioning As rated volume
   
Specialised applications (Chemicals etc) formulae Refer to Ace Filtration. Obtain concentrations and chemical where possible
   
Airports (kerosene/petrol fumes) Base on 66% of rated volume
   
Museums, art galleries Refer to Ace Filtration. Special carbon may be equired



 
Grease Filters for Commercial Kitchen Extraction Systems include the Veevent Grease Filter and the Mesh Grease Filter

If you require a wholesale quotation or advice on which filter is best suited to your air purification needs, contact our filter sales team for more information

Buy Filters Online with Ace Filtration
 
 
Arrow Quick,easy and secure card processing when you buy Carbon Filter Replacements Filters Online and Kitchen Cooker Hood Filters with Ace Filtration Filter Sales
 
Arrow Order Commercial Filters Online and Industrial Filters Online for same day UK mainland dispatch
 
Ace Filtration
 

Ace Filtration Limited, Airflow Works, Seymour Road, Northfleet, Kent, DA11 7BW, UK

Tel: 01474 325666 Fax: 01474 333132

The Company, in keeping with its policy of constant product improvement,
reserves the right to change specifications without notice

Company Number 1734727
VAT GB 374 3371 47

(©)Copyright 2010

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