Perm-A-Steel Filter
CONSTRUCTION: Frame shall be formed galvanized channel secured at one corner by rivets. Filtering media shall consist of multiple layers of Galvanized Steel, expanded through specified feeds to assure maximum filtering and internal loading capabilities. Filters shall retain 290 grams of dust per 2.25 sq. ft. (20x20 filter). Resistance when clean is 0.05 w.g. at 350 F.P.M.air velocity. Maximum resistance at capacity is 0.335 w.g.
MATERIAL: Filtering element shall be processed from sheet steel commercially known as hot dip galvanize, no less than .0157 in thickness expanded through no less than .020 feed. Frame shall be made from hot dip
galvanize steel.
The maximum temperature range on the Smith Perm-A-Steel is 425 F.
FOR LIGHT INDUSTRIAL,
COMMERCIAL, RESTAURANT,
SCHOOL AND OFFICE
BUILDING APPLICATIONS.