Alpha Panel

Minipleat HEPA/ULPA Filters

Models AP*-xxxx (Where * indicates efficiecy designator of 493 for 99.99% effici nt on 0.30 micron particles or 591 for 99.995% efficient on 0.12 micron particl s.)

General

Alpha Panel Minipleat HEPA/ULPA filters are avail- able in two particle size efficiencies: 99.99% on 0.3 µm and 99.99% on 0.12 µm. They are offered in a complete range of standard sizes to meet the needs of critical applications where HEPA/ULPA filtration is required. Individual testing under rigid quality control and modern assembly methods ensures conformance to specifications.

Construction

Filter media is manufactured of moisture resistant microfine fiberglass that is formed into closely- spaced pleats held firmly in place with polyurethane sealant bead separators. The 2.1” (53 mm) sepa- ratorless minipleat panel is urethane sealed into a clearcoat- anodized extruded aluminum frame. Media dividers are furnished on all filters over 36” width. Filters over 24” height are also furnished with media dividers and pleats that are parallel to the width.

Alpha Panel HEPA/ULPA filters can be furnished with 0.25” thick x 0.75” wide closed cell neoprene gaskets as an option on either side or both sides of the face flanges.

Testing

Each Alpha Panel HEPA/ULPA filter is sc n tested after assembly with automated laser equipment to ensure that it has attained a pa ticle size efficiency of at least 99.99% on 0.30 µm or 99.99% on 0.12 µm. This performance meets the requirements of the Institute of Environm ntal Sciences and Technology (IEST) RP-1 for Type C or F filters. Efficiency and pressure drop are certified on each filter identification label.

Installation

Alpha Panel HEPA/ULPA filters are used in applica- tions and equipment that require ultraclean air. These may range from the fabrication of microelec- tronics, semi-conductors and medical devices to aerospac , biot ch and pharmaceutical manufac- turing.

Te standard face velocity range of 70 to 110 fpm makes t em ideal for unidirectional (laminar flow) applica ions in clean benches, ceiling grids, fan powered filter units, and horizontal flow wall mod- ules.

Filters of standard construction may be perated at up to 150 fpm face velocity and o a final static pres- sure drop of 2.0 inch w. g. As wi h all HEPA and ULPA filters, high efficiency ASHRAE-rated pre- filters are recommended.

Physical Data

Media: Moisture-resistant microfine fiberglass

Filter pack: 2.1” (53 mm) separatorless minipleat

Media seal nt: Ureth ne

Pleat stabilizers: Polyurethane bead separator

Frames: Clearcoat-anodized extruded aluminum

Media di iders: Extruded aluminum channel

Gaskets: Closed cell neoprene

Important Features

Minipleat separatorless filter pack

Thin and lightweight easy-to-handle units

Rugged 3” deep clearcoat-anodized extrud- ed aluminum frame

Available in many standard sizes

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Honeywell 11255 manual Alpha Panel, Minipleat HEPA/ULPA Filters, Installation

11255 specifications

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