GW Grease Filter

    Low Resistance
    Light weight regenerable or washable panel unit
    GW filter is also suitable for for use as a general-purpose air filter for small applications

Grease filter: The GW air filter is a light weight regenerable or washable panel unit especially designed for use in cooking exhaust systems. As acids present in the trapped greases of kitchen exhausts corrode ordinary steel; GW filters are constructed of acid-resistant aluminium throughout. 

Air Filter: When treated with a special adhesive oil, the GW filter is also suitable for for use as a general-purpose air filter for small applications. 

Low resistance: In both applications, the honeycomb media design provides extremely low resistance to airflow as well as ease of cleaning. 

 

Description

Grease filter: The filter media consists of 50mm thick honeycomb of specially corrugated light gauge aluminium sheet enclosed in an aluminium frame. Large, smooth walled passages eliminate the clogging prevalent in other filters and the high turbulence created by the internal criss-crossing airstreams brings grease particles in contact with the metal surface where they adhere. 

Air filter: The honeycomb media splits the incoming air into approximately 27,000 separate airstreams per square metre of filter surface. It is available in nominal thicknesses of 50mm and 100mm.  

Before leaving the media, each airstream crosses a similar airstream several times at right angles, creating a turbulence which, combined with changes in airflow direction, brings entrained dust particles in contact with the adhesive oil coated surfaces of the media where they adhere. The full media thickness is effectively used for extracting foreign matter from the air. This gives the filter high efficiency to large airborne particles together with exceptionally low resistance and large dust-holding capacity. 

 

Installation  

Holding frames are available for GW filters to enable easy installation of a number of cells in banks. Each frame has a gasket sealing strip to eliminate air leakage and quick-acting spring clips to hold the cell securely in place. 

Grease filters: The filter must always be installed with its face at not more than 30 degrees from the vertical to minimise the possibility of grease dripping off the filter face. Because of the ‘lay’ of the media in the cell, they must always be installed with the slots on the vertical sides. 

Email Air Handling provides full filter maintenance, exchange service and servicing facilities in all major population centres of Australia. Fixed Panel Air Filter – Grease filters must be cleaned regularly to minimise the possibility of collected grease dropping back in semi-liquid form off the cell. Cleaners containing caustic must not be used as they will attack the aluminium from which the unit is made.

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