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Description
Ribbed neck aluminum bead
Style
rings (equal spacing),
312
7
1
/
bolts, nuts, washers
8
Two
Ribbed neck aluminum bead
Ply
rings (unequal spacing) 1
Bellows
Rolled plate assembly, 1/2
blind nuts, 3/4 NPT
Rubber bellows only
Assembly weight ....................................................... 24.8 lbs
Force to collapse to minimum height (@ 0 PSIG)..... 135 lbs.
Style
Ribbed neck aluminum bead
314
rings (equal spacing),
1
7
/
bolts, nuts, washers
8
High
Ribbed neck aluminum bead
Strength
rings (unequal spacing) 1
Bellows
Rolled plate assembly, 1/2
blind nuts, 3/4 NPT
Rubber bellows only
18 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
13.81 BOLT CIRCLE DIA.
18.2 MAX O.D.
AT 100 PSIG
15.12 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 13.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 2,207 in
Gage
Pressure
Load
(PSIG)
(lbs.)
(lbs./ in.)
40
5,100
60
7,930
80
10,730
100
13,530
Assembly Order No.
WO1-358-7761
7
/
b,n,w WO1-358-7760
8
WO1-358-7286
WO1-358-7914
WO1-358-8003
7
/
b,n,w WO1-358-8004
8
WO1-358-8009
WO1-358-7926
HEIGHT
3
Natural
Frequency
Spring
Rate
CPM
HZ
1,056
85
1.42
1,536
83
1.38
1,950
80
1.33
2,371
79
1.31
RECOMMENDED
CONSULT FIRESTONE
AIRMOUNT
BEFORE USING AS
DESIGN HEIGHT
AIRMOUNT
13.0 INCHES
26
25
Volume
24
100 Psig
23
22
21
20
Do not use Airstroke in
shaded area without
19
consulting Firestone
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MAX. HT.
18
16
14
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
14.0
2,342 2,300 4,640 7,230 9,820 12,420
12.0
2,061 2,760 5,510 8,560 11,510 14,450
10.0
1,744 3,130 6,260 9,620 12,870 16,060
8.0
1,400 3,340 6,940 10,370 13,820 17,440
6.0
1,021 3,790 7,580 11,510 15,350 19,280
312
Static Data
1909
120 Psig
100 Psig
80 Psig
60 Psig
40 Psig
20 Psig
MIN. HT.
12
10
8
6
®
actuator design)
Pounds Force
@40
@60
@80
@100
PSIG
PSIG
PSIG
PSIG
26
20
15
10
5
1
4.5
75
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