Flanders PrecisionCell II M Manuel utilisateur

General:

PrecisionCell II extended surface minipleat filters

now offer the end user high efficiency filtration per-

formance in minimal media pack depths of 4 inch-

es deep in 60-65% (MERV 11), 80-85% (MERV

13), and 90-95% (MERV 14-15), and are available

in a corrosion resistant metal frame (M) for box

style or optional metal frame with a single 13/16"

header (MSH).

Due to the rigid minipleat technology in combina-

tion with the metal frame design, PrecisionCell II's

are the ideal choice for use in existing and new

installations where space is limited or where

upgrading filter efficiency levels are required in

existing units. Variable air volume systems, turbu-

lent airflow, or high humidity applications where

conventional filters fail, are good choices for

upgrading to PrecisionCell II's in metal frame con-

figurations.

PrecisionCell II 4 inch deep in M and MSH designs

are designed to be operated at 500 FPM. Both M

and MSH Model PrecisionCell II's are offered in all

standard sizes. Special sizes are not available.

All PrecisionCell II models utilize state of the art

minipleat technology which uses media separators

made from thermoplastic glue beads to allow preci-

sion spacing between the moisture-resistant

microfine fiberglass media. The adjacent polymer

bead separators cure into durable, hard strips sep-

arating the media folds thereby creating a rigid

pack assembly which maintains excellent pleat

spacing continuity over the life of the filter.

Both PrecisionCell II metal-framed models are

bonded and sealed into a corrosion-resistant, metal

frame with an expanded metal face grille on the

downstream side to prevent media pack oscillation

or blowout. Both metal framed models are the ideal

choice where HVAC Systems pull in 100% humid

outside air such as Hospitals.

Important Features

• High Efficiency Filtration in minimal, space-saving

design.

• This unique shallow-depth pack compacts up to 2

times the media area found in conventional 12

inch deep filters.

• 3-to-1 ratio in shipping, storage, handling and dis-

posal costs over conventional 12" deep cells

• Excellent choice for upgrading older systems at a

fraction of the cost.

PrecisionCell II M and MSH

Extended Surface Mini Pleat Filters

in "C" Channel Metal Frame

Extended Surface Mini Pleat Filters

in Metal Frame with Single 13/16" Header

Bulletin PB1006-1106

Flanders PrecisionAire - Foremost in Air Filtration

Toll Free: 1-800-637-2803

Construction

In the Flanders Precisionaire tradition of state-of-the-art technology, PrecisionCell II filters are built with a

minipleat media pack to achieve a rugged, compact lightweight, high efficiency filter.

Air Velocity (fpm)

Pressure Drop (in. w.g.)

0 125 250 375 500 625

1.00

0.80

0.60

0.40

0.20

0.00

90-95%

80-85%

60-65%

Nominal 4” PrecisionCell II Pressure Drop vs. Air Velocity

Corrosion resistant metal frame

Pack sealed within frame

Adhesive beads in place of

metal separators allow up to 3

times the media area.

Microfine glass media in your

choice of filtration efficiencies

13-16” metal header on MSH

models

Flanders PrecisionAire - Foremost in Air Filtration

Toll Free: 1-800-637-2803

Perfmormance values shown in this publication may be averages or estimates intended to generally represent product styles. Always contact

factory for latest actual test data on specific Flanders Precisionaire models.

Nominal Size Nominal Pressure Drop Approx. Media

WxHxD (inches) Capacity (CFM) 90-95% 80-85% 60-65% Area (Sq. Ft.)

12x24x4 1000 .75 .70 .55 58

16x20x4 1111 .75 .70 .55 64

16x25x4 1389 .75 .70 .55 80

18x24x4 1500 .75 .70 .55 86

20x20x4 1388 .75 .70 .55 80

20x24x4 1666 .75 .70 .55 96

20x25x4 1736 .75 .70 .55 100

24x24x4 2000 .75 .70 .55 115

Nominal Size Nominal Pressure Drop Approx. Media

WxHxD (inches) Capacity (CFM) 90-95% 80-85% 60-65% Area (Sq. Ft.)

12x24x4 1000 .85 .80 .65 48

16x20x4 1111 .85 .80 .65 53

16x25x4 1389 .75 .70 .55 66

18x24x4 1500 .75 .70 .55 71

20x20x4 1388 .75 .70 .55 66

20x24x4 1666 .75 .70 .55 79

20x25x4 1736 .75 .70 .55 82

24x24x4 2000 .75 .70 .55 95

Notes

1. PD represents clean pressure drop in inches w.g. Recommended final pressure drop for all models

is 1.5 inch w.g.

2. Actual filter face size of 24” x 24” and 24” x 12” is 5/8” undercut on height and width. All other sizes

are 1/2” undercut on height and width. Actual filter depth is 3-3/4”

3. Efficiency is average and is based on ASHRAE Standard 52.1 and 52.2 test methods.

4. Performance tolerances conform to Section 7.4 of ARI Standard 850.

5. Perfmormance values shown in this publication may be averages or estimates intended to generally represent product

styles. Always contact factory for latest actual test data on specific Flanders Precisionaire models.

Prefilters

Prefilters are always a wise choice for the protec-

tion of minipleat filters no matter what the efficiency

or brand. The closely-spaced pleats are subject to

face-loading (bridging) by lint and coarse particles,

thus reducing their usual long life. A minimum 25-

30% ASHRAE efficiency pleated panel filter such

as the Flanders Precisionaire Prepleat 40 is recom-

mended.

Save In-Line Space

Compare the airway lengths of 22” PrecisionPak

bag filters and 12” Rigid-Air filter to a 4”

PrecisionCell filter when they are installed with 2”

prefilters.

VAV Systems

Filter banks should be sized so that the face veloc-

ity at maximum design conditions is 625 fpm or

less. PrecisionCell II filters may be applied at any

capacity between 0 and 625 fpm. Operating a filter

bank at reduced flow will greatly increase expected

filter life.

Save Storage Space and Shipping Costs

Using the 24” x 24” size as an example, a carton of

four PrecisionCell II 4” filters has a volume of 5.3

cubic feet and a weight of 26 lbs. Compare this to

four 12” deep rigid separator-type filters packed in

four cartons with a total volume of 16 cubic feet and

total weight of 80 lbs.

Standard Box Style

With Header

Flanders PrecisionAire - Foremost in Air Filtration

Toll Free: 1-800-637-2803

1.0 General

1.1 Medium and high efficiency extended surface

filters shall be PrecisionCell II (M) (MHS) mini-

pleat panel filters as manufactured by Flanders

Precisionaire.

1.2 Filter sizes, efficiencies and capacities shall be

as scheduled on the drawings.

1.3 Filters shall be UL 900 Class 2 listed.

2.0 Filter Construction

2.1 The filter pack shall be constructed of water-laid

microfine fiberglass media containing a water

repellent binder formed into closely spaced pleats

held in position by adhesive bead separators.

2.3 The filter pack shall be enclosed and sealed with-

in a corrosion-resistant metal frame.

2.4 PrecisionCell II MSH filters shall have a single

13/16” diameter header on the air entering side.

3.0 Performance

3.1 Initial and final resistances shall not exceed the

scheduled values.

3.2 Media area must equal or exceed that of the

specified filter

3.3 The average efficiency shall be as determined

by ASHRAE Standard 52.1 and 52.2 test

methods.

3.4 The manufacturer shall guarantee performance

as stated in the literature within tolerances as

outlined in Section 7.4 of ARI Standard 850.

Guide Specifications

Application Guidelines

PrecisionCell II filters should be selected for

new installations with 24” H x 24” W and 24”

H x 12” W face sizes. These are the most

widely used and stocked sizes. This allows

for 12” increments in height and width of the

filter bank and insures that replacement car-

tridges will be readily available.

PrecisionCell II filters should be installed with

the pleats vertical wherever possible. It is

permissible to install 24” H x 12” W face size

filters with pleats horizontal if necessary to

meet the size requirements of the filter bank.

HEPA Prefilters

PrecisionCell II filters are ideal as prefilters

for Alpha Cell HEPA filters. Their light weight

and 4” depth make them an excellent choice

for installation in the optional Prefilter Frame Assembly for the Alpha Cell HEPA Filter Holding Frame or in

Surelock Side Access HEPA Housings.

Specify the Surelock housing with an optional 4” wide prefilter track for the PrecisionCell II filters, in lieu of

the 2” wide prefilter track for pleated panel filters. We recommend the selection of 80-85% PrecisionCell II

filters as HEPA prefilters.

PrecisionCell II M and MSH

Component Chart

88655. 04 20 24 MSH D

Efficiency Series

89655. - 90-95%

88655. - 80-85%

86655. - 60-65%

Nominal Depth

04 - 3.75” Deep

Nominal Width

20 - (19-3/8”) wide

Nominal Height

24 - (23-3/8”) tall

Frame Style

MSH - Metal

w-13/16”

Single Header

Gasket Location

D - Downstream

U - Upstream

V - One Vertical Side

REPRESENTED BY:

Flanders PrecisionAire

Foremost in Air Filtration

Toll Free 1-800-637-2803

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