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G3 WASHABLE POCKET FILTER

Thermo-welded synthetic fibre bag filter class G3 according to EN 779:2002 (80% ≤ Em < 90%).  Available in two variants of bags (D = 360 mm and D = 500 mm) enables high dust holding capacity (DHC).

APPLICATION

Filtration of course airborne particles, in civil and industrial air conditioning systems.  It is commonly also used as pre-filtration stage before the fine dust filters.

OPERATING RANGE

Maximum temperature: 90 °C (continuous operation -80°C)
Relative humidity: 100%
Recommended final pressure drop: 250 Pa

FILTER MEDIA

Layered progressive density synthetic fibre.
Filter media colour – Green

TECHNICAL INFORMATION


PERFORMANCE

•  The average efficiency shall be as determined by the ASHRAE Standard 52.1 and 52.2 test methods.
•  Media provides a high dust holding capacity and long service life.
•  Pocket filters without a pre-filter will require replacement more frequently.
•  The media incorporates a uniform high loft to provide a lower resistance to airflow.
•  Available with different efficiencies and in different sizes to meet individual requirements.
•  Reduction of energy costs due to low initial differential pressure.
•  Filters should be installed with pockets in the vertical wherever possible.

GUIDELINES WHEN SELECTING A POCKET FILTER

•  Determine the ASHRAE efficiency required.
•  Determine the face velocity needed to fit the system.
•  Select the shortest depth possible with a pressure drop within  the required range.
•  Select the most economical filter based on the number of pockets per 600 x 600mm size.
•  Initial and final resistance shall not exceed the scheduled values.