Precisionaire Crank Lock Hepa Filter Housing C 3 User Manual

®
C-3 and C-4  
F O R E M O S T I N A I R F I LT R AT I O N  
Crank Lock HEPA Filter Housing  
Bulletin PB1604-0107  
General  
Construction  
C-3 and C-4 Side Access HEPA/ULPA Filter Housings  
are designed for use with nominal 12 inch deep  
HEPA/ULPA filters. They are factory-assembled  
flanged units suitable for gel sealed or gasket sealed  
HEPA filters. Both the prefilters and the primary  
HEPA/ULPA filters are serviceable through the same  
gasketed side access door.  
Housings are 24 inches deep in the direction of air  
flow, (26 inches deep if it has a 4” prefilter section.)  
and are constructed in your choce of frame materials.  
Flanges are furnished for duct connections on the air  
entering and air leaving sides. All joints are intermit-  
tently welded and finished to remove all burrs and  
sharp edges. The joints are then sealed with silicone  
enabling the housing to withstand an internal pressure  
of +/- 3.0 in. w.g.  
Versatility  
C-3 and C-4 housings may be used with Alpha 95 fil-  
ters (95% DOP efficiency) and with Alpha Cell and  
Alpha 2000 filters (99.97% and 99.99% DOP efficien-  
cy). Standard housings accept nominal 12 inch deep  
filters and 16” and 18” carbon adsorbers in a variety  
of face sizes. They can be arranged from one filter  
high and one filter wide to four filters high and eight fil-  
ters wide. If large housings are not practical to rig into  
place, smaller units may be stacked in the field.  
The filter locking mechanism for the fluid gel seal-  
model housing is a 300 Series stainless steel hand-  
operated arm that moves the filter s gel-filled channel  
on to the internal housing knife edge sealing flange.  
The same mechanism also pulls the filter away from  
the sealing flange when changing filters. The filter  
locking mechanism for gasket seal-model housing is a  
300 Series stainless steel and brass device. The  
mechanism presses the gasketed filter against the  
housing s sealing surface by means of a mechanical  
bolt and thrust assembly that is manually operated  
using a standard 3/4 inch socket or wrench.  
Options  
• Choce of frame construction materials  
• Insulation  
Standard 2 inch or 4 inch prefilter tracks will accom-  
modate pleated panel filters with efficiency ranges up  
to 50% per the ASHRAE Standard 52.2 dust spot test  
methods. Access doors have 0.5 in. thick closed cell  
neoprene gaskets around the inside perimeter.  
Double pin door hinges which pivot, allow the door to  
make level contact with the gasket when closed.  
Stainless steel wing nuts secure the doors.  
• Lifting lugs  
• Transitions  
• Static pressure ports  
• DOP test ports  
• High temperature modifications  
• Weathercap  
• Magnahelic gauges (mounted)  
• PrefilterTrack  
Important Features  
• Choice of frame construction materials  
• Stainless steel filter locking mechanism for  
strength, durability and long-term integrity  
• Access for up to four filters and prefilters wide  
per door for quick filter changeout  
• Double pin hinges enable the doors to make  
level contact with the door gasket for a uni-  
formly tight seal  
Flanders Filters - Foremost in Air Filtration  
Toll Free: 1-800-637-2803  
Model Number Development  
C3G  
-
1H1W  
-
GGF  
-
GLV  
-
D1  
Housing Material:  
Filter type:  
C3G - Gasket Seal  
GLV: Galvanized steel  
304: Type 304 S/S  
304L: Type 304 L S/S  
316: Type 316 S/S  
316L: Type 316L S/S  
C4F - Fluid Seal  
Housing Size:  
Filters High x Wide  
(See Chart)  
ALZ - 14 gauge aluminized  
(non-standard)  
Filter Size:  
CCF - 12”x12”x11-1/2” HEPA Filter  
2CCF -12”x12”x11-1/2” HEPA filter with a 2” prefilter  
4CCF -12”x12”x11-1/2” HEPA filter with a 4” prefiler  
CGF - 12”x24”x11-1/2” HEPA Filter  
Door Locations  
2CGF- 12”x24”x11-1/2” HEPA Filter with 2” prefilter  
4CGF- 12”x24”x11-1/2” HEPA filter with a 4” prefilter  
GCF- 24”x12”x11-1/2” HEPA filter  
D1- Filter access and housing on  
one side only  
D1A - Doors on both sides, but filter  
access from one side only.  
2GCF- 24”x12”x11-1/2” HEPA filter with 2” prefilter  
4GCF- 24”x12”x11-1/2” HEPA filter with 4” prefilter  
GGF- 24”x24”x11-1/2” HEPA filter  
D2 - Doors on both sides and filter  
access from both sides.  
2GGF-24”x24”x11-1/2” HEPA filter with 2” prefilter  
4GGF-24”x24”x11-1/2” HEPA filter with 4” prefilter  
CC12- 12”x12”x11-1/2” carbon adsorber  
CG12- 12”x24”x11-1/2” carbon adsorber  
GC12- 24”x12”x11-1/2” carbon adsorber  
GG12- 24”x24”x11-1/2” carbon adsorber  
CG16- 12”x24”x16” carbon adsorber  
The filter size arrangements listed at left are the only standard  
arrangements. 6” prefilters are available but non-standard.  
Any prefilter with a carbon housing is available but not standard.  
Multi-wide CC, CG and GC units are available but non-standard.  
CC16, CC18, CG18 & GC18 units are not available.  
GC16- 24”x12”x16” carbon adsorber  
GG16- 24”x24”x16” carbon adsorber  
GG18- 24”x24”x18” carbon adsorber.  
Filter Usage and Housing Weight  
Height  
Code  
Filters/  
Weight  
Width Code  
1W  
2W  
3W  
4W  
5W  
6W  
7W  
7
8W  
8
1H  
Filters  
1
2
3
4
5
6
Weight  
105  
190  
270  
380  
460  
540  
2H  
3H  
4H  
Filters  
Weight  
Filters  
Weight  
Filters  
Weight  
2
200  
3
4
305  
6
6
8
610  
12  
10  
765  
15  
12  
920  
18  
14  
21  
28  
16  
24  
32  
460  
9
255  
4
405  
8
590  
12  
810  
16  
995  
20  
1180  
24  
345  
520  
710  
1040  
1230  
1420  
(1) Filters/Weight: Top number indicates the number of filters required to fill the unit. Bottom number indicates the  
approximate weight in pounds of the housing EMPTY. Add 32 pounds for each HEPA/ULPA filter and 2 pounds per each  
prefilter to determine approximate weight when loaded with filters.  
Add 10% to calculate the approximate rigging weight of housings  
Flanders Filters - Foremost in Air Filtration  
Toll Free: 1-800-637-2803  
Construction Details  
Notes:  
1. Standard construction is 14 ga. galvanized steel housing and doors leak tight to +/- 3.0 in. w.g.  
2. Maximum operating temperature for standard C-3 and C-4 Housings is 250°F. High temperature C-3 and C-4 Housings  
are available for 400°F continuous and 500 °F intermittent duty.  
Guide Specifications  
1.0 HEPA/ULPA Filter Housings  
hand-operated arm that moves the filter so its gel-  
filled channel mates with the internal housing knife  
edge sealing flange. The same mechanism shall  
also pull the filter away from the sealing flange  
when changing filters.  
1.1 Side access HEPA filter housings shall be C-3 and  
C-4 as manufactured by Flanders.  
1.2 Units shall be factory-assembled housings with  
flanges for duct connections on the air entering  
and air leaving sides.  
2.4 The filter locking mechanism for the gasket seal  
model housing shall be a 300 Series stainless  
steel and brass device. The mechanism shall  
press the gasketed filter against the housing’s  
sealing surface by means of a mechanical bolt and  
thrust assembly that is manually operated using a  
standard 3/4 inch socket or wrench.  
1.3 Housings shall be suitable for operation at +/- 3.0  
in. w.g. internal pressure.  
2.0 Construction  
2.1 Housings shall be made of galvanized or stainless  
steel with 11 ga. corner posts. Joints shall be inter-  
mittently welded and sealed with silicone.  
3.0 Features  
2.2 Tracks for prefilters shall be fabricated from the  
same material as the housing.  
3.1 Model numbers and capacities shall be as speci-  
fied and/or shown on the drawings.  
2.3 The filter locking mechanism for the gel seal  
model shall be a 300 Series stainless steel  
3.2 Provide options as specified.  
REPRESENTED BY:  
®
Flanders Filters, Inc.  
531 Flanders Filter Road  
Washington, NC 27889  
Phone: (252) 946-8081  
Toll Free: (800) 637-2803  
Fax: (252) 946-3425  

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