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Description
Ribbed neck aluminum bead
Style
rings (equal spacing),
320
7
1
/
bolts, nuts, washers
8
Two
Rolled plate assembly, 1/2
Ply
blind nuts, 3/4 NPT
Bellows
Rubber bellows only
Assembly weight ....................................................... 36.3 lbs
Force to collapse to minimum height (@ 0 PSIG)....... 90 lbs.
Style
Ribbed neck aluminum bead
328
rings (equal spacing),
7
1
/
bolts, nuts, washers
8
High
Strength
Bellows
24 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
19.00 BOLT CIRCLE DIA.
22.4 MAX O.D.
AT 100 PSIG
20.36 DIA.
NOTE: A bead ring part is shown. This part is also avail-
able with rolled plates. See page 11 for explanation.
Dynamic Characteristics at 14.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 4,328 in
Gage
Pressure
Load
(PSIG)
(lbs.)
(lbs./ in.)
40
10,340
60
15,580
80
21,080
100
26,740
Assembly Order No.
WO1-358-7324
WO1-358-7276
WO1-358-0987
WO1-358-9528
HEIGHT
3
Natural
Frequency
Spring
Rate
CPM
HZ
1,794
78
1.30
2,503
75
1.25
3,225
73
1.22
3,981
72
1.21
RECOMMENDED
CONSULT FIRESTONE
AIRMOUNT
BEFORE USING AS
DESIGN HEIGHT
AIRMOUNT
14.0 INCHES
Do not use Airstroke in
90
shaded area without
consulting Firestone
80
70
60
Volume
100 Psig
50
40
30
20
10
0
MAX. HT.
1 9
1 7
1 5
HEIGHT IN.
See page 12 for instructions on how to use chart.
Force Table (Use for Airstroke
Volume
Assembly @ 100
Height
PSIG
@20
3
(in.)
(in
)
PSIG
16.0
4,833 4,330 8,900 13,420 18,120 23,110
14.0
4,328 5,110 10,340 15,580 21,080 26,740
12.0
3,780 5,750 11,470 17,210 22,950 29,000
10.0
3,180 6,230 12,330 18,570 24,580 30,910
8.0
2,544 6,580 12,930 19,530 26,280 32,920
6.0
1,856 7,050 14,230 21,260 28,220 35,270
320
Static Data
5282
120 Psig
100 Psig
80 Psig
60 Psig
40 Psig
20 Psig
1 3
1 1
9
7
®
actuator design)
Pounds Force
@40
@60
@80
@100
PSIG
PSIG
PSIG
PSIG
45
40
35
30
25
20
15
10
5
0
MIN. HT.
4 . 5
77
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