Nominal

 

Nominal

250 fpm

375 fpm

500 fpm

625 fpm

Media

Weight

Depth

Efficiency

Size

 

 

 

 

 

 

 

 

Area

Each

cfm

pd

cfm

pd

cfm

pd

cfm

pd

(inch)

 

HxWxD

(sq.ft.)

(lbs.)

 

 

(inch)

 

 

 

 

 

 

 

 

 

 

12

65%

24x24x12

1000

.15

1500

.25

2000

.35

2500

.40

140

26

24x12x12

500

750

1000

1250

69

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

95%

24x24x12

1000

.25

1500

.45

2000

.65

2500

.78

140

30

24x12x12

500

750

100

1250

69

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

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

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

3.Performance tolerances conform to section 7.4 of ARI Standard 850.

4.Performance values stated may be averages typical of the products listed. Conta t fa tory for actual performance test reports on specific products.

 

Guide Specifications

1.0

General

2.4corrosion-resistant steel expanded metal face-

1.1Medium and high efficiency gas turbine rigid fil-

guards shall be installed on the air entering and

leaving sides.

 

ters shall be PrecisionCell GT extended media

 

 

 

separator type filters as manufactured by

2.51/2” corrosion-resistant steel “T” straps shall be

 

Flanders.

installed on the air leaving side and horizontal

1.2Filter sizes, efficiencies and capacities shall be

strap on air entering side.

 

 

as scheduled on the drawings.

2.6Filters shall be UL 900 Class 1 listed.

2.0

Filter Construction

3.0 Performance

2.1Filters shall be cons ruc ed by pleating a contin-

3.1Initial and final resistance shall not exceed the

 

uous sheet of mo sture-resistant dual layer, wet-

scheduled values.

laid micro-fine g ass media into closely spaced

3.2Media area must equal or exceed that of the

pleats with hemmed-edge corrugated aluminum

specified filter.

separators.

3.3The average efficiency shall be as determined

2.2The filter pack shall be compression sealed into

by the ASHRAE Standard 52.1 test methods.

a 24 ga. corrosion-resistant steel frame.

3.4The manufacturer shall guarantee performance

2.3The nclosing frame shall be assembled in a

as stated in the literature within tolerances as

rigid mann r and shall incorporate a single or

outlined in section 7.4 of ARI Standard 800.

double header as required by job conditions.

 

Flanders - Foremost in Air Filtration

60

Corporate Headquarters, St. Petersburg, FL

60

Page 60
Image 60
Honeywell 11255 manual 4corrosion-resistant steel expanded metal face

11255 specifications

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