Damper
Model
Model
Standard
Construction
Description
Construction
Description
Applications
Damper
Width
in. & (mm)
(Single Sections)*
Width
in. & (mm)
(Single Sections)*
Max.
System
Pressure
(in. w.g./Kpa)
System
Pressure
Max.
System
Velocity
(FPM/M/S)
System
Velocity
(FPM/M/S)
Leakage
With/Without
Seals
(CFM/SQ.FT.)
With/Without
Seals
(CFM/SQ.FT.)
Temp.
Range
°F and (°C)**
Range
°F and (°C)**
•
Galvanized
construction
Isolation
Stack Isolation
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1524)
(1219)
(914)
(610)
(310)
(1219)
(914)
(610)
(310)
20.00/5.0
26.00/6.5
32.00/8.0
35.00/9.0
44.00/11.0
26.00/6.5
32.00/8.0
35.00/9.0
44.00/11.0
5000/25.4
5000/25.4
5000/25.4
6000/30.4
6000/30.4
5000/25.4
5000/25.4
6000/30.4
6000/30.4
4.0
4.0
4.0
8.0
13.0
4.0
4.0
8.0
13.0
32
32
32
40
60
32
32
40
60
250°F
to 400°F
(121°C
to 204°C)
to 400°F
(121°C
to 204°C)
•
Welded
12 ga. up to 48" wide, 10 ga. 48" to 60" airfoil blade
•
3/4"
axles up 48" blade width, 1" axle 48" to 60"
•
8"
x 2" x 10 ga. channel flange frame
•
Stainless
steel sleeve bearing bolted to frame
•
Galvanized
construction
Thermal Oxidzer Fans
Fan Intake
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
19.00/4.7
24.00/6.0
29.00/7.2
34.00/8.5
5000/25.4
5000/25.4
6000/30.4
6000/30.4
4.0
4.0
4.0
8.0
13.0
4.0
4.0
8.0
13.0
32
32
40
60
to 400°F
(121°C
to 204°C)
•
Welded
16 ga. up to 48" wide, 14 ga. 48" to 60" airfoil blade
•
3/4"
axles
•
Stainless
steel sleeve bearing bolted to frame
•
8"
x 2" x 12 ga. flange frame
•
8"
x 2" x 14 ga. galvanized channel frame
Heat Recovery
Air Handler Intake
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
17.00/4.2
22.00/5.5
27.00/6.7
32.00/8.0
4000/20.3
4000/20.3
5000/25.4
6000/30.4
4.0
4.0
4.0
8.0
13.0
4.0
4.0
8.0
13.0
32
32
40
60
to 400°F
(121°C
to 204°C)
•
3/4"
plated axles
•
Stainless
steel press fit bearings
•
10
ga. galvanized steel clevis side linkage
•
Max
single section 60" w x 96" h
•
8"
x 2" x 14 ga. galvanized channel frame
Low Pressure
Light Industrial
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
14.80/3.7
19.30/4.8
24.00/6.0
4000/20.3
5000/25.4
6000/30.4
4.0
4.0
8.0
13.0
4.0
8.0
13.0
32
40
60
to 400°F
(121°C
to 204°C)
•
1/2"
plated axles
•
Stainless
steel press fit bearings
•
10
ga. galvanized steel clevis side linkage
•
Max
single section 48" w x 96" h
•
8"
x 2" x 14 ga. galvanized channel frame
Drying Processes
Balancing
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
9.00/2.2
15.50/3.8
20.00/5.0
2000/10.1
2000/10.1
2000/10.1
8.0
8.0
10.0
15.0
8.0
10.0
15.0
32
40
60
to 400°F
(121°C
to 204°C)
•
3/4"
plated axles
•
16
ga. triple vee groove galvanized blades
•
Concealed
side linkage
•
Stainless
steel press fit bearings
•
8"
x 2" x 14 ga. galvanized channel frame
Fresh Air Intake
Damper Louver
Combinations
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
3.75/.93
6.00/1.5
8.25/2.05
2000/10.1
2000/10.1
2000/10.1
8.0
8.0
10.0
15.0
8.0
10.0
15.0
32
32
40
60
to 400°F
(121°C
to 204°C)
•
1/2"
plated axles
•
16
ga. triple vee groove galvanized blades
•
Concealed
side linkage
•
Stainless
steel press fit bearings
•
8"
x 2" x 14 ga. galvanized channel frame
Express Delivery
Fan Discharge
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
9.00/2.2
15.50/3.8
20.00/5.0
2000/10.1
2000/10.1
2000/10.1
—
—
—
—
—
—
—
32
40
60
to 400°F
(121°C
to 204°C)
•
3/4"
90° crank arm
•
16
ga. vee groove blades
•
Stainless
steel press fit bearings
•
Max
single section 48" w x 96" h
•
10"
x 2" x 12 ga. steel channel frame
Fan Intake and Discharge
Clean Room Applications
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
12.00/3.0
16.00/4.0
20.00/5.0
24.00/6.0
4000/20.3
4000/20.3
5000/25.4
5000/25.4
6.7
8.0
8.0
10.0
15.0
8.0
8.0
10.0
15.0
32
32
40
60
(149°C)
•
6063T5
extruded aluminum airfoil blade
•
10
ga. galvanized clevis arm linkage
•
Stainless
steel press fit bearings
•
Max
single section 60" w x 96" h
•
3"
x 1" x 12 ga. frame
InductMounting
Low Pressure Drop
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
17.00/4.2
22.00/5.5
27.00/6.7
32.00/8.0
4000/20.3
4000/20.3
5000/25.4
6000/30.4
4.0
4.0
4.0
8.0
13.0
4.0
4.0
8.0
13.0
32
32
32
40
60
250°F
to 400°F
(121°C
to 204°C)
•
In
air stream mounted linkage
•
3/4"
axles
•
16
ga. air foil blades
•
In
duct mounting design
•
3"
x 1" x 12 ga. frame
Clean Rooms
Hospitals
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
14.80/3.7
19.30/4.8
24.00/6.0
4000/20.3
5000/25.4
6000/30.4
4.0
4.0
8.0
13.0
4.0
8.0
13.0
32
40
60
to 400°F
(121°C
to 204°C)
•
In
air stream mounted linkage
•
1/2"
axles
•
16
ga. air foil blades
•
Max
single section 48" w x 96" h
•
12
ga. flanged channel frame
Cycle Tested
Track Isolation
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
17.00/4.20
22.00/5.50
27.00/6.70
32.00/8.00
4000/20.3
4000/20.3
4000/20.3
4000/20.3
4.0
4.0
4.0
8.0
12.0
4.0
4.0
8.0
12.0
—
—
—
—
(250°C
2 Hour)
Qualified to BS 476 pt. 20 2 Hour
•
Airfoil
14 ga. galvanized blades
•
3/4"
full length stainless steel axles
•
Stainless
steel blade seals
•
BS476
pt. 20 approved
•
8"
x 2" x 3/16" steel channel frame
Foundry
Dryer Fans
60"
(1524)
(399°C)
•
1/4"
blades
48"
•
Cast
iron sleeve bearings bolted to frame
36"
•
1"
diameter axles
24"
•
750°F
service
12"
•
3"
x 1" x 12 ga. frame
Balancing
Face and Bypass
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
6.75/1.7
11.00/2.7
15.50/3.8
20.00/5.0
3500/17.7
3500/17.7
3500/17.7
8.0
8.0
10.0
15.0
8.0
10.0
15.0
32
40
60
to 400°F
(121°C
to 204°C)
•
In
air stream mounted linkage
•
3/4"
axles
•
16
ga. galvanized vee groove blades
•
Stainless
steel press fit bearings
•
3"
x 1" x 12 ga. frame
Gymnasiums
Food Processing
48"
36"
24"
12"
36"
24"
12"
(914)
(610)
(305)
3.75/.93
6.00/1.5
8.25/2.05
3000/15.2
3000/15.2
3000/15.2
8.0
8.0
10.0
15.0
8.0
10.0
15.0
32
40
60
to 400°F
(121°C
to 204°C)
•
In
air stream mounted linkage
•
1/2"
axles
•
16
ga. galvanized vee groove blades
•
Stainless
steel press fit bearings
•
Round
channel flange frame (10 ga. to 5/16")
Gas Vapor Isolation
Bio-Labs
72"
60"
48"
36"
24"
12"
60"
48"
36"
24"
12"
(1524)
(1219)
(914)
(610)
(305)
15.00/3.7
15.00/3.7
16.00/3.9
17.00/4.2
20.00/5.0
7000/35.5
7000/35.5
7000/35.5
7000/35.5
7000/35.5
2.3
1.9
1.5
1.1
0.8
0.4
1.9
1.5
1.1
0.8
0.4
—
—
—
—
—
(121°C)
•
Steel
blade with stiffeners (when required)
•
Adjustable
full circumference blade seal
•
Full
length solid steel axle
•
Shaft
seals with outboard mounted ball bearings
•
Round
channel flange frame (10 ga. to 1/4")
Fume Extraction
Process Piping
72"
60"
48"
36"
24"
12"
60"
48"
36"
24"
12"
(1524)
(1219)
(914)
(610)
(305)
13.00/3.2
13.00/3.2
14.00/3.5
15.00/3.7
17.00/4.2
6000/30.4
6000/30.4
6000/30.4
6000/30.4
6000/30.4
60.0
Total
45.0 Total
35.0 Total
28.0 Total
25.0 Total
15.0 Total
45.0 Total
35.0 Total
28.0 Total
25.0 Total
15.0 Total
225 Total
175 Total
125 Total
85 Total
50 Total
to 400°F
(121°C
to 204°C)
•
Steel
blade with stiffeners (when required)
•
Grease
lubricated bearings mounted to frame
•
Full
length solid steel axle
•
Full
circumference blade stop
•
Round
channel flange frame (10 ga. to 3/16")
Face and Bypass
Inceneration
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
6.00/1.5
8.00/2.0
8.00/2.0
10.00/2.5
4000/20.3
5000/25.4
6000/30.4
6000/30.4
45.0
Total
35.0 Total
28.0 Total
25.0 Total
15.0 Total
35.0 Total
28.0 Total
25.0 Total
15.0 Total
175 Total
125 Total
85 Total
50 Total
to 400°F
(121°C
to 204°C)
•
Steel
blade with stiffeners (when required)
•
Stainless
steel press fit bearings
•
Full
length solid steel axle
•
Maximum
size 60"
•
16
ga. x 8" galvanized round channel frame up to 18"
Fume Hoods
Parmacutical Ventilation
48"
36"
24"
12"
6"
36"
24"
12"
6"
(914)
(610)
(305)
(152)
4.00/1.0
4.00/1.0
4.00/1.0
4.00/1.0
2500/12.7
2500/12.7
4000/20.3
4000/20.3
11.3
Total
8.5 Total
5.7 Total
2.9 Total
1.4 Total
8.5 Total
5.7 Total
2.9 Total
1.4 Total
28 Total
25 Total
15 Total
7.5 Total
(121°C)
•
12
ga. x 8" galvanized round channel frame 18" and above
•
12
ga. flange
•
Single
skin 16 ga. blade
•
1/2"
shaft to 24," 3/4" shaft 24" and above
•
3/16"
to 5/16" thick channel frame
High Temperature Round Ducting
Incineration
Consult
Ruskin
•
One
piece 3/8" to 3/4" thick blades
•
Minimum
1" stub axles
•
Adjustable
ceramic tadpole seal
•
500°
to 1200°F service
•
Double
skin box 10 ga. blades
High Pressure
Tunnel Ventilation
72"
60"
48"
36"
(1524)
(1219)
(914)
34.00/8.70
40.00/10.00
47.00/11.80
6000/30.5
6000/30.5
6000/30.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
—
—
—
(250°C
2 Hour)
•
Relubricable
ball bearings mounted outboard of frame
•
3/16"
steel channel frame
•
1"
axle up to 48", above 48" wide consult Ruskin
•
Shaft
packing seals
Higher temperature and pressure rating available- consult Ruskin.
•
10
ga. steel round channel frame
Round Duct Balancing
System Control
60"
48"
36"
24"
12"
48"
36"
24"
12"
(1219)
(914)
(610)
(305)
8.00/2.0
8.00/2.0
8.00/2.0
8.00/2.0
3025/15.3
4102/20.8
6529/33.1
14103/71.6
—
—
—
—
—
—
—
—
—
103
125
167
282
to 400°F
(121°C
to 204°C)
•
Multiple
16 ga. blades
•
1/2"
plated axles
•
Open
or bullet nose hub
•
External
linkage with stainless press fit bearings
•
9"
x 2" galvanized frame (opt aluminum)
250°C/482°F
1 Hour Tested
Track and Fan Isolation
60"
48"
36"
24"
48"
36"
24"
(1219)
(914)
(610)
15.00/3.80
20.00/5.00
25.00/6.30
4000/20.3
5000/25.4
5000/25.4
5.2
5.2
5.2
5.2
5.2
5.2
5.2
—
—
—
(250°C
2 Hour)
•
7.75"
wide aluminum 215RI anodized blade
•
3/4"
stainless steel axles bolted to blade
•
10
ga. stainless steel side linkage
•
Flexible
stainless steel side seals
•
Flanged
channel frame
System and Duct Pressure
Pressure Relief
52"
48"
36"
16"
48"
36"
16"
(1219)
(914)
(406)
Ruskin
6000/30.4
6000/30.4
6000/30.4
6000/30.4
.045
.05
.07
.13
.24
.05
.07
.13
.24
35
28
25
20
•
Offset
blade
•
Grease
lubricated bearings mounted outboard of frame
•
External
counter weight
•
Elastomeric
seal