Honeywell 11255 - Manual (Page 87)

87
High Capacity Design
The Alpha 2000 High Capacity HEPA filter is avail-
able in a nominal 12” depth configuration. It is
designed for optimum performance and low operat-
ing costs in both new and replacement systems.
With 40% more media area than the standard
capacity Alpha Cell filter, the Alpha 2000 saves
space, energy, and material and labor costs.
Save Space
Alpha 2000 HEPA filters operate at 500 fpm (2000
cfm for a 24” x 24” size) at 1.45 inch w.g. clean
pressure drop versus conventional Alpha Cell filters
that operate at 250 fpm and 1.0 inch w.g. clean
pressure drop.
Construction
A popular construction option consists of 16 ga.
galvaneal frames and moisture-resistant microfine
wet-laid fiberglass media folded over hemmed-
edge low amplitude corrugated aluminum separa-
tors. The filter pack is bonded to the frame by a fire-
retardant urethane elastomer to provide a rigid
leak-free assembly.
Save Energy
Alpha 2000 filters in a conventional HEPA filter
bank impose a lighter load on the fan when operat-
ed at conventional 250 fpm velocities during the life
of the filters. The Alpha 2000 99.97% and 99.99%
high capacity 24” X 24” X 12” filter has a clean pres-
sure drop of 1.1 inch w.g. at 1500 cfm, compared to
standard Alpha Cell filters with a clean pressure
drop of 1.50 inch w.g. at the same air flow.
Save Replacement Material and Labor
Costs
Savings are significant with high capacity Alpha
2000 filters. They operate at lower velocities and
provide life cycles up to three times the life of stan-
dard capacity filters. Savings are achieved in
replacement materials and labor costs as a result of
fewer filters.
Alpha 2000
High Capacity HEPA Filters
See component chart on page 87.
Important Features
• Efficiencies are 99.97% and 99.99% on 0.30
and 99.9995% on 0.12 micrometer particles.
• High capacity Alpha 2000 filters can reduce the
filter bank size
• Corrugated aluminum separators stabilize the
moisture-resistant media pack (separator style)
• Available as a separatorless media filter with a
self-supporting media pack (*Pureform)
• Available in a variety of frame materials in gas-
ket or fluid seal design.
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