Honeywell 11255 manual Guide Specifications, Flanders - Foremost in Air Filtration

Rate of Air Flow vs Initial Resistance

	1.50
w.g.)	1.25
(Inches	1.00
	0.75
Resistance
	0.50
	0.25
	0
	0	1000	1500	2000	2500

Air Flow - CFM

Efficiency vs. Dust Fed

	100%
Efficiency	90%
	80%
	70%
	60%
Spot	50%
	40%
Dust	30%
	20%
	10%
	0%
	0	10	20	30	40	50	60	70	80	90	100

Dust Fed (grams)

Arrestance vs. Dust Fed

	100%
	90%
(%)	80%
	70%
Arrestance	60%
	50%
	40%
	30%
	20%

10%

0%

25 40 55 70 85 100

Dust Fed (gram )

Resistan e vs. Dust Fed

	1.75
w.g.)	1.50
(Inches	1.25
	1.00
Resistance	0.75
	0.50
	0.25
	0.00
	0	10	20	30	40	50	60	70	80	90	100

Dust Fed (grams)

Performance values stated may be averages typical of the pro ucts listed.

Contact factory for actual performance test reports on specific pro ucts.

	Guide Specifications
1.0 General		2.3 The die-cut frame shall be flame-resistant, miner-
1.1 Medium efficiency UL Class 1 fire rated pleated		al-filled board to meet a UL Class 1 fire rating.
	filters shall be Pre Pleat Class 1 as manufactured	3.0 Performance
	by Flanders.
		3.1 Initial and final resistance shall not exceed the
1.2 Filter sizes and capac t es shall be scheduled on
		final values.
	the draw ngs.
		3.2 Media must meet or exceed the ratings that of the
2.0 Filter Construction		specified filter.
2.1 Filter media shall be manufactured of a high loft-		3.3 The manufacturer shall guarantee performance
	ed micro-fine media with a minimum efficiency of	as stated in the literature within tolerances as
	50% p r ASHRAE Standard 52.1	outlined in Section 7.4 of ARI Standard 850.
2.2	A corrosion-r sistant expanded metal wire grid
	s all be bonded to the media to maintain pleat
	integrity.
	Flanders - Foremost in Air Filtration
42	Corporate Headquarters, St. Petersburg, FL