Air Filtration Equipment

Polyseal

The Side Access Polyseal housing utilizes a high density Nylon piled gasket which is automatically positioned against the final filter as it is installed into the mounting track. The “air actuated” seal prevents dirty air bypass while retaining its integrity over time. Vertical sealing between filters is provided by gasket strips applied to the sides of the final filters and to the housing doors.

Side Access PolySeal housing is offered in 96 sizes and 3 housing depths. It will accommodate both 2″ and 4″ prefilters and final filters used in combination or individually. When used with other AAF IAQ-engineered filter products, the Side Access PolySeal effectively removes particulate air contaminants from the air supply.

Lever Lock

Side Access Leverlock housings are designed to deliver a fail-safe pressure seal with no dirty air by-pass. Sealing pressure is applied through locking arm actuators and movable horizontal pressure bars which force the filter against the gasket surface. Each filter row is served by individual locking mechanisms and each has to be actuated before the housing door can be secured.

The Leverlock’s welded construction utilizes wide turned out flanges, vertical supports and angle braces. The housing is designed to operate at up to 6” w.g. negative or positive pressure. Optional high pressure construction is available for service up to 10″ w.g.

Side Access Leverlock housing is offered in 96 sizes and 19” and 21” housing depths. They are designed to enclose both a 2” or 4” prefilter and a final filter such as the DriPak®, VariCel®, or VariCel® V. Use the Side Access Leverlock alone or enhance your system performance by combining it with other AAF IAQ-engineered filter products.

Universal Holding Frame

AAF’s Universal Holding Frames can be used individually or may be combined to fit virtually any size filter bank. All frames feature holes on each side for bolting or riveting into filter banks. The 3” deep (nominal) frame will support all standard combinations of pre and final filters. Factory installed PVC gaskets ensure a proper seal between the frame and filter to minimize dirty air bypass (all standard sizes are also available ungasketed).

Side Access Flat Bank

The Side Access Flat Bank housing is a general purpose filter housing which provides mechanical strength, ease of use, and economy. It is used when only prefilters are required.

The Flat Bank housing has exceptional structural strength. It utilizes 1″ wide turned out flanges, welded construction, vertical supports and angle braces. Gasket sealed access doors are hinged and have over-center draw type plated latches. The housing is designed to operate at up to 6″ w.g. negative or positive pressure. Optional high pressure construction is available for service up to 10″ w.g.

The Flat Bank housing is offered in 96 sizes, spanning heights from nominal 1′ through 8′, and widths from nominal 1′ through 12′. FM2-LE modules are available in 2′ x 2′, 2′ x 3′, and 2′ x 4′ sizes with a variety of options.

Side Access Vee-Bank

The Side Access Vee-Bank housing is a general purpose filter housing which provides mechanical strength, ease of use, and economy. The Vee-Bank housing is used when only prefilters are required. Filters are arranged into V-banks for doubled capacity.

The Vee-Bank housing has exceptional structural strength. It utilizes 1″ wide turned out flanges, welded construction, vertical supports and angle braces. Gasket sealed access doors are hinged and have over-center draw-type plated latches. The Vee-Bank housing is designed to operate at up to 6” w.g. negative or positive pressure. Optional high pressure construction is available for service up to 10″ w.g.

The Vee-Bank housing is offered in 96 sizes, spanning heights from nominal 1′ through 8′, and widths from nominal 1′ through 12′. Housing depth is 30 inches.

TM-2™ Ceiling Filter Modules

TM-2™modules come in a variety of sizes, offering flexibility for any installation. All standard modules come with a 10″ or 12″ diameter inlet, adjustable distribution plate, and an integral expanded metal grille. A contractor grade is available with the same options. Each unit is entirely factory-sealed, with all metal to metal joints bonded to prevent leakage.

The AAF TM-2™ series delivers peak filtration in cleanrooms from ISO Class 8 to ISO Class 4. The modules utilize our AstroCel II Mini-pleat Filter Pack which provides 99.99% (HEPA) minimum efficiency on 0.3 μm. A laser-tested ULPA filter providing 99.9995% efficiency at 0.12μm is also available.

The low profile housing and light weight of the TM-2™ modules make for easy installation. The modules are typically installed in a 1-1⁄2″ or 2″ T-bar ceiling grid, or 2″ wide gel or gasket seal, heavy duty ceiling grids, suspended from the building structure. Housings with four suspension points for attachment of hangers are standard for gasket seal applications.

TM-4™ Ceiling Filter Modules

The AAF TM-4™ series was developed to meet industry requirements for large cleanrooms with individually ducted modules. The TM-4™ features our AstroCel® II Mini-pleat Filter Pack, which provides HEPA efficiency, a high ratio of media surface to pack depth, and reduced operating pressure drop. The modules are available with custom efficiencies ranging up to 99.99995% on .10 μm to .20 μm size particles, making it ideal for ISO Class 3 Waferfabs.

TM-4™ modules come in a variety of sizes, offering flexibility for any installation. All standard modules come with a 10″ or 12″ diameter inlet, adjustable distribution plate, and an integral expanded metal grille. A contractor grade is available with the same options. Each unit is entirely factory-sealed, with all metal to metal joints bonded to prevent leakage.

The low profile housing and light weight of the TM-4™ modules make for easy installation. The modules are typically installed in a 1-1⁄2″ or 2″ T-bar ceiling grid, or 2″ wide gel or gasket seal, heavy duty ceiling grids, suspended from the building structure. Housings with four suspension points for attachment of hangers are standard for gasket seal applications.

PharmaGel™ Gel Ceiling Modules

The AAF PharmaGel™ is a high performance HEPA module with simplified filter cartridge maintenance. Equipped with four support retainers, cartridges can be tested and replaced without disturbing the module housing. A gel sealant pocket ensures airtight integrity at the filter to module seal.

PharmaGel™ housing is constructed of sturdy, welded aluminum with a flush-mounted, stainless steel grill. The airtight housing includes an integral aluminum flange on the downstream side, for use with a conventional T-bar grid system. The round top inlet is designed with a butterfly damper conveniently operated from the downstream side using a rotary-type mechanism. A perforated diffuser plate beneath the damper promotes even distribution of air across the filter.

The PharmaGel™ includes an AAF AstroCel® II LPD 2-7⁄ 8″ HEPA filter, featuring a 2″ deep pack and mini-pleat design that provides both low pressure drop and optimum air cleaning efficiency. PharmaGel modules can be used for vertical or horizontal airflow applications, and are available with numerous options for your specific application.

FM2-LE™ Fan Filter Modules

The FM2-LE™ is a self-contained fan/filter module for cleanroom applications. It can be used to upgrade existing cleanrooms or to convert existing space into a cleanroom without additional ductwork or air handling equipment. The modules can be used in most conventional ceiling grids or may be suspended independently by four eyebolt support points.

Air circulation is maintained by using a lightweight, backward curved impeller powered by a 115V, 60Hz motor. The speed of the impeller can be adjusted by the solid-state speed control mounted on top of the housing. The housing is made from 16-gauge aluminum, with an expanded metal faceguard on the downstream side. Attached to the module by spring latches, AAF’s AstroCel II HEPA filter provides 99.99% efficiency on 0.3 μm particles. The prefilter to the module is AAF’s 1” PerfectPleat M8.

FM2-LE™ modules are available in 2′ x 2′, 2′ x 3′, and 2′ x 4′ sizes with a variety of options.

AstroSeal® Type S

Designed to meet the stringent requirements of HEPA filter applications, AstroSeal® Type S housings are engineered to perform reliably even in the toughest environments. The innovative design ensures uniform and constant pressure against the sealing surface of the HEPA filter.

AstroSeal® Type S is built with industrial welded construction for reliable performance up to 10″ positive or negative pressure (optional construction up to 20″ w.g.). Standard 2″ deep access doors have internal welded reinforcement and a precise pin type hinge. A 1-1/2″ wide neoprene rubber gasket surface forms the proper seal with “finger pressure” locking knobs.

The Type S is available in two models: gasket seal housings with a rugged, crank lock mechanism, and a gel seal model with a knife edge sealing surface. AstroSeal® Type S housings are available with a 2″ or 4″ wide prefilter track. Blank off panels are provided to prevent prefilter bypass.

Options include double door accessibility, insulation, pressure testing, static taps, resistance gauge, and test port.