Honeywell 11255 Holding Frames and Housings, Frame Materials, Gasket and Fluid Seal, UL Listings

Frame Materials

AlphaCell Filters are available in a variety of wood and metal frame materials such as particle board, ply- wood, 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, downstr am or both sides of the filter. The standard Fluid Seal is Flanders Blu-Jel®Seal which is a two-part silicone mat ri- al suitable for temperatures up to 390°F.

Gasket	Filter
Seal

Knife Edge On Frame r

Frame or	Fluid	Frame or
	Seal
Housing	Channel	Housing	Blu-Jel
	On Filter
			Seal

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 Cell Filters are either UL900 Class 1 or Class 2 listed epending on materials of construction.

Holding Frames and Housings

Alpha Frame, B1 Frame, A-4 Frame Surelock HEPA Housing

Alpha Frames are des gned for Alpha 95 filters in built-up filter banks. Each filter is secured in the frame with four bolt-type asteners 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 ith r spring-loaded swing arm assemblies or a locking mechanism. The swing arm assemblies or locking m chanism either compress the gasket or press the knife edge into the gel in the filter channel to maintain a leak-tight seal.

Flanders - Foremost in Air Filtration

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