Honeywell 11255 manual Guide Specifications, High Temperature pl at d filt rs shall be Pre

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

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

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 products listed.

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

	Guide Specifications
1.0 General
1.1	High Temperature pl at d filt rs shall be Pre	2.3 The filter pack shall be enclosed within a corro-
	Pleat HT as manufac ured by Flanders.
		sion-resistant frame and furnished with an
1.2	Filter sizes and capaci ies shall be scheduled on	expanded metal facescreen on the downstream,
	the drawings.	air leaving side.
1.3	Filters shall be UL Class 1 listed and be able to	3.0 Performance
	operate up to 400 degrees Fahrenheit.
		3.1 Initial and final resistance shall not exceed the
2.0 Filter Construction		final values.
2.1	Filt r m dia shall be manufactured of a high loft-	3.2 Media efficiency and content must meet or
	d micro-fine media with a minimum efficiency of	exceed the ratings of the specified filter.
	50% p r ASHRAE Standard 52.1	3.3 The manufacturer shall guarantee performance
2.2	An expanded metal wire grid shall be bonded to	as stated in the literature within tolerances as out-
	t e media to maintain pleat integrity.	lined in Section 7.4 of ARI Standard 850.
	Flanders - Foremost in Air Filtration
44	Corporate Headquarters, St. Petersburg, FL