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Frame Materials
Alpha 95 Filters are available in a variety of wood and metal frame materials such as particle board, plywood,
galvanized steel and stainless steel.
Gasket and Fluid Seal
The standard gasket seal is 0.75” x 0.25” neoprene for installation on either the upstream, downstream or
both sides of the filter.
The standard Fluid Seal is Flanders Blu-Jel® Seal which is a two - part silicone material suitable for tem-
peratures up to 390°F.
Gasket
Seal
Frame or
Housing
Blu-Jel
Seal
Filter
Knife Edge
On Frame or
Housing
Fluid
Seal
Channel
On Filter
Frame or
Housing
Faceguards (Optional)
Faceguards are used to protect the filter media from mechanical damage. The typical faceguard material is
expanded aluminized steel. Galvanized 4 x 4 mesh welded wire and Type 304 stainless steel faceguards
are also available.
UL Listings
Alpha 95 Filters are either UL900 Class 1 or Class 2 listed depending on materials of construction.
Holding Frames and Housings
Alpha Frames are designed for Alpha 95 filters in built-up filter banks. Each filter is secured in the frame with
four bolt-type fasteners that either compress the gasket or press the knife edge into the gel in the filter chan-
nel to maintain a leak-tight seal.
Surelock HEPA Filter Housings are recommended for side-access applications. The filters are sealed in
place with either spring-loaded swing arm assemblies or a locking mechanism. The swing arm assemblies or
locking mechanism either compress the gasket or press the knife edge into the gel in the filter channel to
maintain a leak-tight seal.
Alpha Frame Surelock HEPA Housing
Flanders - Foremost in Air Filtration
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