Bulletin GRV09
TM
GRAVITY VENTILATORS Model: PT, PA, HPA
› Turbine
› Pul-Air
› Insul-Air
MOVING YOUR WAY
Introduction & Dimensional Information
Gravity Ventilators
Gravity Ventilators
PT, PA, & HPA Dimensional Data
› Turbine Introduction (PT)
PennBarry Turbines are ideal for the general ventilation of
factories, farm and agricultural buildings, commercial and public
structures and homes. Turbines move out hot, stagnant air
automatically. They also work well in preventing condensation
in buildings. Sensitive, ball bearing action enables the slightest
motion of air to move the rotor head, and maintain suction even
at low wind velocity. Centrifugal force, caused by the freely
revolving head, creates a partial vacuum. Foul air rushes to fill
the vacuum and is expelled. Turbines are available in galvanized
steel, aluminum, stainless steel, or copper construction.
W DIA.
4
9
10
H
2
8
5
3
6
1
› Legend
1. Swedged And Reinforced Airshaft
2. Roll Formed, Ridged Rotor Blades
3. Rolled and Welded Rotor Collar
4. Seamless Rotor Crown Plate
5. Machined Rotor Shaft
6. Prelubricated Ball Bearing Assembly
7. Lubricant Reservoir and Cover
8. Internal Support Braces
9. Exterior Heavy Duty Support Braces
10.Die Formed Brace, Bearing Plate
7
A DIA.
› Turbine Dimensional Reference
Size
A (Dia. Throat Size)
W (Dia.)
H (Height)
EC (4 MPH Wind)*
Exterior Braces Qty
(A = Alum.) (S = Steel)
4
4
10 1/4
12
126
5
5
12 3/4
14 1/4
136
6
6
12 3/4
14 1/2
147
7
7
14 1/4
15
210
8
8
14 1/4
15
255
9
9
16 1/2
16 1/4
357
10
10
16 1/4
16 1/4
425
12
12
19
17
631
14
14
22 3/4
19 3/4
700
15
15
25
21
850
16
16
25 1/2
21 3/4
950
18
18
29
24
1200
20
20
31 5/8
25 1/4
1700
24
24
35 3/4
28 1/4
2350
3A
3A
3A
3A
3A
3A
3A
3A
3A
3A
3A
4S
4S
4S
All dimensions in inches. *EC: Exhaust Capacity In CFM
› Pul-Air Introduction (PA)
The Pul-Air is a simple device. Its design permits an easy
outward flow of air. There are no internal obstructions or moving
parts to require maintenance. Durable galvanized steel or
aluminum construction incorporates heavy swedges to stiffen
the airshaft and windband where required. Pul-Air ventilators
are an economical choice where gravity or relief ventilation
is required on industrial or commercial buildings. The Pul-Air
is available in galvanized steel, aluminum, stainless steel, or
copper construction.
› Legend
1. Conical Cap
2.Windband
3. Stiffening Swedges
4. Supporting Webs
5. Swedged Airshaft
W DIA.
1
2
H
4
5
3
A DIA.
› Pul-Air Dimensional Reference
Size
A (Dia. Throat Size)
W (Dia.)
H (Height)
EC (4 MPH Wind)*
4
4
8 1/4
7 1/4
40
5
5
9 1/4
7 1/2
45
6
6
10 1/4
8 1/4
50
7
7
11 1/4
8 1/2
60
8
8
12 1/4
8 3/4
75
9
9
14 3/4
9 3/4
100
10
10
15 3/4
10 1/2
120
12
12
17 3/4
10 1/2
170
14
14
22
12
280
15
15
23
12 1/4
325
16
16
24
12 3/8
375
18
18
25 3/8
14 1/2
450
20
20
27 1/2
15 1/2
580
24
24
31 1/2
18 5/8
750
30
30
41 1/4
23 1/2
1100
All dimensions in inches. *EC: Exhaust Capacity In CFM
› Insul-Air Introduction (HPA)
Where an extended airshaft is necessary, to clear the peak of a
roof for example, the Insul-Air is the ideal choice. It features all
the sturdy construction-details of the Pul-Air plus an extended
airshaft and an integral flat mounting base. The Insul-Air is
available in galvanized steel, aluminum, stainless steel, or
copper construction.
2
4
H
3
5
6
› Legend
1. Conical Cap
2.Windband
3. Stiffening Swedges
4. Supporting Webs
5. Extended Airshaft
6. Flat Roof Mounting Base
A
DIA.
B SQ.
› Insul-Air Dimensional Reference
Size
A (Dia. Throat Size)
W (Dia.)
H (Height)
B (Sq.)
EC (4 MPH Wind)*
4
4
8 1/4
14 1/4
8
40
5
5
9 1/4
15 1/8
9
45
6
6
10 1/4
15 5/8
10
50
7
7
11 1/4
15 5/8
11
60
8
8
12 1/4
15 7/8
12
75
9
9
14 3/4
17 3/4
13
100
10
10
15 3/4
18
14
120
12
12
17 3/4
18 1/4
15 1/2
170
All dimensions in inches. *EC: Exhaust Capacity In CFM
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W DIA.
1
Base Dimensional Data & Accessories
› Bases
› Flat Roof (BSF)
Mounting bases provide a solid,
weatherproof seat for easy installation
of ventilators on any style roof or curbs.
Construction features heavy gauge
galvanized steel, aluminum, stainless
steel, or copper with swedged collars and
wide flashing flanges. PennBarry bases
support the ventilator and distribute
weight evenly to roof supports. Taper
C
cone design permits easy air movement.
› Curb Mounted (BSC)
A
DIA.
A
DIA.
A
DIA.
H
H
H
H
D
C
H
H
› Model
A
DIA.
H
C
A =Aluminum
P
D G=Galvanized Steel
12”
S=Stainless Steel
C=Copper
B SQ.
B SQ.
B SQ.
› Damper
0 =None
A =Aluminum Damper
G=Galvanized
Steel Damper
A
A
S=Stainless
DIA. Steel Damper
DIA.
C=Copper Damper
A
DIA.
C
P
12”
B SQ.
B SQ.
› Double Slope (BSR)
P
› Roof Slope
A
DIA.
STAB
LE SL
OPE
0 =None
S=Single Slope
D=Double Slope
H
P
AD
JU
B SQ.
H
0 =None
B SQ.
B SQ.
F =Flat Roof
C=Curb Mounted
A =Adjustable Base
B SQ.
12”
0 =None
H
I =Aluminum Insect Screen
L =Aluminum
Bird Screen
P
C
› Fabricated 12”
Mounting12”
Base
› Adjustable Base (ARJ)
A
DIA.
C
H
H
› Unit Material
› Screen
12”
B SQ.
A
DIA.
A
PT = Turbine
DIA.
PA = Pul-Air
HPA = Insul-Air
C
P
D
B SQ.
› Product Configuration
› Single Slope (BSS)
A
DIA.
› Roof Pitch
0 =None, or 1 thru 9
› Slope Side
0 =None
S=Short Side
L =Long Side
› Base Dimensional Reference
Size
A (Dia.)
B (Dia.)
H
C
D
4
3 7/8
6
10
4
4
5
4 7/8
8
10
4
4
6
5 7/8
8
10
4
4
7
6 7/8
10
10
4
4
8
7 7/8
10
10
4
4
9
8 7/8
12
10
4
4
10
9 7/8
12
10
4
4
12
11 7/8
14
10
4
4
14
13 7/8
16
10
4
4
15
14 7/8
18
10
4
4
16
15 7/8
18
10
4
4
18
17 7/8
22
10
4
4
20
19 7/8
24
10
4
4
24
23 7/8
30
12
4
4
30
29 7/8
36
12
4
4
36
35 7/8
42
14
4
4
All dimensions in inches.
› Single Leaf Damper
COUNTER-WEIGHT
©PENNBARRY 2008
SQ.
Gravity Ventilators
TM
Gravity Ventilators
A
A.
Accessories
› Screens
› Dampers & Screens
PennBarry damper accessories are
available in galvanized steel, aluminum,
stainless steel, or copper. Screens are
aluminum.
PIVOT ROD
PULL CHAIN
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For more
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information contact
contact your
your local
local PennBarry
PennBarry Sales
Sales
Manufacturer Representative or visit us at
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more
information,
contact
your
local
PennBarry Sales
Manufacturer Representative or visit us at
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©2005 PennBarry
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™
©2009
©2005 PennBarry™
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Rights Reserved.
Reserved.
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