Chapter 2: Prerequisites
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6
Exhaust and Blower Requirements
The exhaust connection has been designed to accept a 2" x 10" (5.1cm x 25.4cm)
nominal exhaust collar. The enclosure has two possible exhaust connections with
either the top exhaust open and the bottom exhaust closed or vise versa. The
bottom exhaust connection is primarily used in installations where the hose or
ductwork needs to be concealed. Labconco offers accessory transition adapters for
the top or bottom exhaust connection to either a 5" hose or 6" duct. See Chapter 7
for ordering any of these accessories. For house exhaust, only one exhaust
connection is required for the 2' through 6' enclosures and two exhaust connections
are required on the 8' enclosure. Data for the exhaust volume and enclosure static
pressure loss are listed for each enclosure model at face velocities of 60, 80 and
100 fpm. When using the accessory FilterMate Portable Exhausters, it requires the
5" Transition Adapter 3912400, which is sold with the FilterMate. Multiple
FilterMate Portable Exhausters require the airflow to be properly balanced. The 5',
6' and 8' enclosures require two or three FilterMate Portable Exhausters dependent
on face velocity and size.
Enclosure
Width
Enclosure
Height
Model Description
Face
Velocity
(fpm)
Exhaust
Volume
(CFM)
Static Pressure
Loss (in w.g.)
Number of
Required
FilterMates
2'
22.75"
8" Sash
2' XPert/2' XVS
60
80
100
70
95
120
.02"
.03"
.05"
1
1
1
3'
22.75"
8" Sash
3' XPert/3' XVS
60
80
100
110
145
185
.04"
.06"
.10"
1
1
1
4'
22.75"
8"
4' XPert/4' XVS
60
80
100
150
200
250
.06"
.10"
.16"
1
1
1
2'
32"
10" Sash
Tall 2' XPert/2' XVS
60
80
100
90
120
150
.03"
.05"
.08"
1
1
1
3'
32"
10" Sash
Tall 3' XPert/3' XVS
60
80
100
140
185
230
.06"
.10"
.15"
1
1
1
4'
32"
10" Sash
Tall 4' XPert/4' XVS
60
80
100
185
250
310
.09"
.16"
.24"
1
1
N/A
5'
22.75"
8" Sash
5' XPert
60
80
100
190
250
315
.08"
.15"
.23"
1
1
2
6'
22.75"
8" Sash
6' XPert
60
80
100
230
305
380
.12"
.21"
.32"
1
2
2
8'
22.75"
8" Sash
8' XPert
60
80
100
310
410
510
.07"
.12"
.18"
2
2
3
5'
32"
12" Sash
Tall 5' XPert
60
80
100
290
385
480
.20”
.35"
.54"
2
2
3
6'
32"
12" Sash
Tall 6' XPert
60
80
100
350
465
580
.27"
.48"
.75"
2
3
3
8'
32"
12" Sash
Tall 8' XPert
60
80
100
465
620
775
.15"
.27”
.42"
3
3
3
