Honeywell 11255 - Manual (Page 33)

33
Expanded
Metal
Pleat Backing
V-Pleat
Design
Double
Wall
Construction
2-piece die-cut frame
Diagonal grid
supports for
maximum
strength
Efficient
High-Loft
Media
Principles of Operation
Flanders’ v-pleat design insures that the greatest media area is exposed to the air flow to promote uniform
dust loading. Competitive filters cannot maintain this rigid shape and tend to flatten out, using only a por-
tion of the media. This v-pleat design creates an air exit area (B) equal to the air entering area (A), which
minimizes end losses and reduces pressure drop.
Radial wedge pleats have unequal air exit (D) and air entering (C) areas, which cause higher resistance and
uneven use of media.
Construction
Filter frames are constructed from two
pieces of die-cut, moisture-resistant
carrier board. Components “tele-
scope” into one another and provide
double-wall construction and a preci-
sion fit. The frame includes diagonal
and horizontal support members
bonded to the media on the air enter-
ing and leaving sides for unsurpassed
frame strength. Locking corners and
positive media-to-frame seal reduces
the possibility of air bypass.
The filter media is a high-loft, rein-
forced, non-woven cotton/synthetic
blend. It is continuously laminated to
an expanded metal grid on the air
leaving side to provide pleat stability
throughout the life of the filters and
prevent media flutter while in opera-
tion.
Flanders’ unique v-pleat wedge pleat
allows for total media usage and pro-
vides maximum air flow and dust hold-
ing capacity.
Flanders - Foremost in Air Filtration
Corporate Headquarters, St. Petersburg, FL
the filter and hvac store