Mini Pleat HEPA Filter / Absolute Filter E10, H12, H14 to EN1822

The Absolute / HEPA Filter are used to achieve the highest levels of air quality. HEPA filters are used in a wide variety of applications such as operating theatres, micro biological laboratories, electronics, pharmaceutical industries and research facilities. We offer Mini Pleat and Deep Pleat Style HEPA Filters.

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01277 523 655

Data Sheet
Delivery across mainland uk

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HEPA Filter / Absolute Filter Applications

Absolute filters (HEPA Filter) are used in a wide range of applications such as clean rooms, operating theaters, research facilities, the electronic and micro-electronic industries, nuclear and pharmaceutical industries and high speed turbines.

Clean Rooms tend to employ the narrow 146mm deep filter and utilise a lower face velocity in accordance with the relevant clean room standard requirements, thus providing a laminar air flow either across the work area or across the complete room depending upon the application.

HEPA Filter / Absolute Filter Construction

The filtration medium in the Absolute / HEPA filter is provided by microfine glass fibres formed into a paper-like surface, supplied in various grades depending upon filtration efficiency required. The filter paper is formed into a close pleated package to provide a large surface area. Spacers of aluminium or hot melt are inserted between each pleat to provide support for the pleat and maximise the surface of the filtration medium.

Mini Pleat HEPA Filter Alternatives

Deep Pleat HEPA Filter for hospitals, clean rooms, electronic manufacturing
Deep Pleat HEPA Filter

The Deep Pleat is a retro style filter most commonly bought as a replacement for existing systems with Deep Pleats HEPAs installed.

Deep Pleat HEPA filters are constructed out of a glass fibre paper pack, which is pleated to the depth of the filter and spaced with pleated aluminium or kraft paper spacers. The glass fibre paper pack secured within a metal or wooden case, with gasket available for the ÔÇÿair on’ side to ensure a tight seal.

Technical

GradeOverall EfficiencyLocal Value EfficiencySuggested for ISO 14644:1999
E1195%
H1299.5%ISO Class 8
H1399.95%99.75%ISO Class 6
H1499.995%99.975%ISO Class 5
U1599.9995%99.9975%ISO Class 4

Airflow Capacities for Grade E11 to EN1822

SizeRated
H mmW mmD mmFlow (m3/s)Pressure (Pa)
6096092920.47150
3056092920.23150
5935932920.45150
2885932920.21150

Airflow Capacities for Grade H12 – H14 to EN1822

SizeRated
H mmW mmD mmFlow (m3/s)Pressure (Pa)
508508750.12200
609609750.17200
609762750.21200
609918750.25200
6091220750.34200
6091524750.42200
6091828750.15200
762762750.27200
762918750.32200
7621220750.42200
7621524750.53200
7621828750.64200
3053051460.06250
4574571460.10250
5085081460.16250
6096091460.24250
6097621460.30250
6099181460.35250
60912201460.47250
60915241460.59250
60918281460.71250
7627621460.37250
7629181460.44250
76212201460.59250
76215241460.74250
76218281460.89250
9189181460.53250
91812201460.71250
91815241460.89250
91818281461.06250
3053052920.12250
4574572920.27250
5085082920.33250
6096092920.45250
6097622920.59250
6099182920.71250
60912202920.94250
6096091460.40280
6097621460.50280
6099181460.60280
60912201460.80280
60915241461.00280
60918281461.20280
7627621460.63280
7629181460.75280
76212201461.00280
76215241461.25280
76218281461.50280
9189181460.90280
91812201461.20280
91815241461.50280
91818281461.80280
3053052920.20280
4574572920.45280
5085082920.56280
6096092920.80280
6097622921.00280
6099182921.20280
60912202921.61280

Notes:
75mm deep are fitted with 1 x 6mm gasket on clean face, filters giving an 81mm deep filter
146mm deep filters are fitted with 1 x 6mm gasket on clean face, giving an 152mm deep filter
292mm deep filters are fitted with 1 x 6mm gasket on clean face, giving an 298mm deep filter
Non Standard sizes are also available