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Duct
Booster® Brand Duct fans
Your Best Value for boosting
air flow in ducts or for powered air intakes and exhausts.
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Residential
and Commercial Sizes.
Quality construction, Economically priced.
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Boosts air
flow in hard to heat or cool rooms.
Models for
ducts 5" through 14".
Models EF-6
through EF-14 may be used as exhaust or air intake fans.
Easy
installation in both metal and flex duct.
Optional
speed and Duct Airstat operating controls.
Quiet,
smooth operation.
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Commercial/ Residential |
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Duct
Booster Fan
Out Door
Air Supply
Lunch Room
Exhauster
Pole Barn
Warehouse Exhaust
Spot
Ventilation
Bathroom
Exhaust
Fume
Control systems |
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Click here for Prices, Quotes & E-mail at
info@volko.com
Optional Controls
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Model PS1503
Duct Airstat |
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Model SC-1
Speed Control |
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- Senses
positive pressure from central blower
- Works
year-round for both heating and a/c
- Simplifies
wiring
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- Use to turn
Duct Fans on/off and to vary motor RPM
- Can be used
with PS1503 Duct Airstat.
- Can be used
with Models EA-5, EF-6, EF-8, and EF-10
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Selection Table
DUCT LENGTH IN FEET
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Model |
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Motor Specifications |
25
Feet
CFM
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50
Feet
CFM
|
75
Feet
CFM
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Free
Air
CFM
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DB-2, 6" Duct
DB-2, 8" Duct |
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120V 1/70 HP .51A |
150
250
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100
220
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95
180
|
200
275
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| EA-5 |
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120V 30 Watt .40A |
150
|
100
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90
|
180
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| EF-6 |
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120V 30 Watt .40A |
150
|
100
|
90
|
180
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| EF-8 |
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120V 56 Watt 1.1A |
300
|
250
|
200
|
325
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| EF-10 |
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120V 1/100 HP .46A |
400
|
325
|
275
|
475
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| EF-12 |
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120V 1/35 HP 1.25A |
800
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700
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600
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875
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| EF-14 |
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120V
1/25 HP 1.70A |
1100
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1000
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900
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1200
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1. Table is based
on straight metal duct. 90 Degree elbows are equivalent to 10 feet of straight
duct.
Performance based on 70
degrees F. standard air.
2. The model DB-2 can be
installed in round ducts up to 8", rectangular ducts as shallow as 3 1/4".
3. The model EA-5 can be
installed in either round or rectangular ducts 6" or larger.
4. The number after EF-matches
the round duct diameter. Example EF-8 connects to 8" round duct.
5. For complete dimension
and performance specifications consult our technical service department.
| HIGH PRESSURE DUCT BOOSTER®
EXHAUST FANS |
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Versatile and durable Tjernlund M and
P-Series Fans feature high pressure air handling performance with low
noise and extremely low power usage.
M-Series fans (metal housing) are ideal
for long runs or air supply and exhaust applications requiring exacting
performance. Use P-Series fans (plastic housing) as ultimate
bathroom/spa exhausters to eliminate fogged mirrors and lingering odors,
super quiet. They also work great for exhausting high moisture areas
such as sub-slab radon gas mitigation and dryer vent boosting. |
Combine these inline fans with
our accessories to create complete duct fan,
supply air and exhausting systems.
G-Series Grills:
White plastic, dual purpose
grills with
mounting collars (4,6,8" Duct Sizes) |
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BD-Series Back Draft Dampers:
Galvanized steel, spring
loaded dampers prevent
backdrafts. (4,6,8"Duct Sizes) |
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M-Series (Metal) Performance
| Model |
Motor
HP |
Watts |
RPM |
Volts |
CFM VS Static Pressure
0" 1/8" 1/4" 3/8" 1/2" 3/4"
1" 1 1/2" 2" |
Duct
Dia. |
Weight |
| M-4 |
1/30 |
48 |
3140 |
115 |
122 111 86 74 61
18 -- -- -- |
4" |
6 LBS. |
| M-6 |
1/20 |
90 |
2500 |
115 |
270 250 235 204 180 138
107 -- -- |
6" |
7 LBS. |
| M-8 |
1/15 |
120 |
2150 |
115 |
498 470 447 399 350 296
194 93 -- |
8" |
9 LBS. |
Dimensional Data
| Model |
OD |
d |
a |
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| M-4 |
8 |
4 |
6 1/2
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| M-6 |
11 1/2
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6 |
5 1/2
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| M-8 |
13 1/4
|
8 |
6 1/4
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P-Series (Plastic) Performance
| Model |
Motor
HP |
Watts |
RPM |
Volts |
CFM VS Static Pressure
0" 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1
1/2" 2" |
Duct
Dia. |
Sones |
Weight |
| P-4 |
1/30 |
48 |
3140 |
115 |
150 130 100 78 68 60
-- -- -- |
4" |
-- |
6 LBS. |
| P-6 |
1/20 |
90 |
2500 |
115 |
270 255 235 200 180 140 110
-- -- |
6" |
2.1 |
8 LBS. |
| P-8 |
1/15 |
100 |
2150 |
115 |
410 375 340 285 225 180 135
-- -- |
8" |
3.2 |
11 LBS. |
Dimensional Data
| Model |
OD |
d |
a |
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| P-4 |
9 1/2 |
3 7/8 |
5 1/4 |
| P-6 |
11 3/4 |
5 3/4 |
5 7/8 |
| P-8 |
13 1/4 |
8 |
6 1/4 |
Click here for Prices, Quotes & E-mail at
info@volko.com
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