Honeywell 11255 Performance Data - HD Industrial Grade, Guide Specifications, Standard Sizes

Standard Sizes		Performance Data - HD Industrial Grade
Nominal Size (in.)	Actual Size H x W x D (in)	cfm @ 300 fpm	Standard Carton Qty.	Weight per Carton (lbs.)
10x10x1	9-7/8 x 9-7/8 x 3/4	208	12	3.3
10x20x1	9-7/8 x 19-7/8 x 3/4	417	12	5.2
10x24x1	9-7/8 x 23-7/8 x 3/4	500	12	6.1
10x25x1	9-7/8 x 24-7/8 x 3/4	521	12	6.5
10x30x1	9-7/8 x 29-7/8 x 3/4	625	12	7.0
12x12x1	11 -7/8 x 11 -7/8 x 3/4	300	12	4.0
12x20x1	11 -7/8 x 19-7/8 x 3/4	500	12	5.8
12x24x1	11 -7/8 x 23-7/8 x 3/4	600	12	6.7
12x25x1	11 -7/8 x 24-7/8 x 3/4	625	12	7.5
12x30x1	11 -7/8 x 29-7/8 x 3/4	749	12	8.0
14x14x1	13-7/8 x 13-7/8 x 3/4	408	12	5.2
14x20x1	13-7/8 x 19-7/8 x 3/4	583	12	6.2
14x24x1	13-7/8 x 23-7/8 x 3/4	700	12	7.3
14x25x1	13-7/8 x 24-7/8 x 3/4	729	12	7.7
14x30x1	13-7/8 x 29-7/8 x 3/4	875	12	10.5
15x20x1	14-7/8 x 19-7/8 x 3/4	625	12	6.7
15x25x1	14-7/8 x 24-7/8 x 3/4	781	12	6.8
16x16x1	15-7/8 x 15-7/8 x 3/4	533	12	6.3
16x20x1	15-3/4 x 19-1/2 x 3/4	667	12	6.9
16x24x1	15-7/8 x 23-7/8 x 3/4	800	12	8.5
16x25x1	15-3/4 x 24-5/8 x 3/4	833	12	8.3
18x20x1	17-7/8 x 19-7/8 x 3/4	750	12	8.0
18x24x1	17-7/8 x 23-7/8 x 3/4	900	12	9.0
18x25x1	17-7/8 x 24-7/8 x 3/4	938	12	9.6
19x27x1	18-7/8 x 26-7/8 x 3/4	1069	12	11.8
20x20x1	19-5/8 x 19-5/8 x 3/4	833	12	7.9
20x24x1	19-7/8 x 23-7/8 x 3/4	1000	12	9.5
20x25x1	19-5/8 x 24-5/8 x 3/4	1042	12	9.5
20x30x1	19-7/8 x 29-7/8 x 3/4	1250	12	12.5
22x22x1	21-7/8 x 21-7/8 x 3/4	1008	12	9.5
24x24x1	23-7/8 x 23-7/8 x 3/4	1200	12	11.3
24x30x1	23-7/8 x 29-7/8 x 3/4	1500	12	14.3
25x25x1	24-7/8 x 24-7/8 x 3/4	1302	12	13.5
10x10x2	9-7/8 x 9-7/8 x 1-5/8	208	12	3.9
10x20x2	9-7/8 x 19-7/8 x 1-5/8	417	12	6.6
12x24x2	11-1/2 x 23-1/2 x 1-5/8	600	12	8.0
14x20x2	13-7/8 x 19-7/8 x 1-5/8	584	12	9.1
14x25x2	13-7/8 x 24-7/8 x 1-5/8	730	12	10.5
15x20x2	14-7/8 x 19-7/8 x 1-5/8	625	12	9.6
16x20x2	15-3/4 x 19-1/2 x 1-5/8	667	12	9.6
16x24x2	15-3/4 x 23-1/2 x 1-5/8	800	12	11.6
16x25x2	15-3/4 x 24-1/2 x 1-5/8	834	12	11.6
18x24x2	17-7/8 x 23-7/8 x 1-5/8	900	12	12.8
20x20x2	19-1/2 x 19-1/2 x 1-5/8	834	12	11.9
20x24x2	19-1/2 x 23-1/2 x 1-5/8	1000	12	14.2
20x25x2	19-1/2 x 24-1/2 x 1-5/8	1042	12	14.0
24x24x2	23-1/2 x 23-1/2 x 1-5/8	1200	12	16.0
25x25x2	24-7/8 x 24-7/8 x 1-5/8	1302	12	17.2

Typical initial (clean) pressure drop at nominal cfm is 0.07 in. w.g. for 1 in. filters and 0.10 in. w.g. for 2 in. filters. Recommended final resistance is 0.50 in. w.g., but he sys em design may dictate a lower change out point.

Guide Specifications

1.0 General		2.2	Perforated corrosion-resistant steel or expanded
1.1Disposable	filters shall be Model HD Industrial		metal support grilles shall be furnished on both
			entry and exit sides of the filter.
Grade filt	rs as manufactured by Flanders.
		2.3	Media and grilles shall be continuously glued to
1.2 Filt rs shall be UL 900 Class 2 listed.
			the inside perimeter of the frame.
2.0 Filter Construction		3.0 Performance
2.1 Fil ers s all be constructed of fiberglass or syn-		3.1	The manufacturer shall guarantee performance
he ic media (as specified) enclosed in a one-			as stated in its literature within tolerances as out-
piece chipboard frame.			lined in Section 7.4 of ARI Standard 850.

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