Operating

Nominal Size

500 fpm

Media

Weight

Efficiency

o

Rating

Area

Each

 

Limit F

H x W x D (inch)

 

 

 

cfm

pd

(sq. ft.)

(lbs)

 

 

 

 

 

 

 

 

 

 

 

750

24 x 24 x 12

2000

.35

140

26

 

 

 

 

 

60-65%

 

24 x 12 x 12

1000

 

69

21

 

900

24 x 24 x 12

2000

.30

175

28

 

 

 

 

 

 

 

24 x 12 x 12

1000

 

90

22

 

750

24 x 24 x 12

2000

.55

140

26

 

 

 

 

 

80-85%

 

24 x 12 x 12

1000

 

69

21

 

900

24 x 24 x 12

2000

.50

175

28

 

 

 

 

 

 

 

24 x 12 x 12

1000

 

90

22

 

750

24 x 24 x 12

2000

.60

140

26

 

 

 

 

 

90-95%

 

24 x 12 x 12

1000

 

69

21

 

900

24 x 24 x 12

2000

.55

175

28

 

 

 

 

 

 

 

24 x 12 x 12

1000

 

90

22

 

 

 

 

 

 

 

Notes:

1.PD represents clean pressure drop in inchw.g. The recommended fin l pressure drop is 2.5 inch w.g.

2.Operation down to zero velocity is satisfactory for all models.

3.Efficiencies are average and are based on ASHRAE Standard 52.1 dust spot test methods. Performance val- ues stated may be averages typical of the products listed. Contact factory for actual performance test reports on specific products.

 

 

Guide Specifications

1.0

General

 

2.3Expanded metal aluminized steel faceguards shall

1.1High

temperature rigid filt rs shall be

be installed on the air entering and air leaving

sides.

 

PrecisionCell HT separator type as manufactured

 

 

 

by Flanders.

2.4A 1/2” “T” strap shall be installed on the down-

1.2Filter sizes and tempera ure ranges shall be as

stream side and 1/2” horizontal strap on the air

entering side.

 

scheduled on the draw ngs.

 

 

2.0

Filter Construction

3.0 Performance

 

2.1Filters shall be constructed by pleating a continu-

3.1Initial and final resistance shall not exceed the

scheduled values.

 

ous sheet of wet-laid micro-fine glass media into

 

 

 

closely spaced pleats with hemmed-edge corru-

3.2Media area shall equal that of the scheduled high

 

gat d aluminum separators.

temperature filter.

2.2The filt

r pack shall be sealed into a 24 ga.

3.3The manufacturer shall guarantee performance as

 

aluminized steel frame with fire-retardant sealant.

outlined in section 7.4 of ARI Standard 800.

 

 

 

 

Flanders - Foremost in Air Filtration

58

Corporate Headquarters, St. Petersburg, FL

Page 58
Image 58
Honeywell 11255 manual 3Expanded metal aluminized steel faceguards shall

11255 specifications

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