Dynamic Characteristics at 5.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 787 in
3
Gage
Spring
Pressure
Load
Rate
(PSIG)
(lbs.)
(lbs./ in.)
40
5,490
3,478
149
2.49
60
8,450
4,880
143
2.38
80
11,450
6,186
138
2.30
100
14,520
7,523
135
2.25
Natural
Frequency
CPM
HZ
MAX. HT.
MIN. HT.
7 6 5 4 3 2
Volume
100 Psig
120 Psig
100 Psig
80 Psig
60 Psig
40 Psig
20 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
11
10
9
8
7
6
5
4
3
2
1
20
15
10
5
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.0 INCHES
Static Data
6948
HEIGHT IN.
119
50
HEIGHT
15.12 DIA.
18 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
13.81 BOLT CIRCLE DIA.
17.4 MAX O.D.
AT 100 PSIG
NOTE: A bead plate part is shown. This part is also avail-
able with rolled plates. See page 11 for explanation.
See page 12 for instructions on how to use chart.
V
OLUME (WITHOUT B
UMPER) CU IN. x 100
FORCE LBS x 1000
Description
Assembly Order No.
Ribbed neck aluminum
bead rings (equal spacing),
1
7
/
8
bolts, nuts, washers
WO1-358-7478
Rubber bellows only
WO1-358-0119
Rolled Plate Assembly,
1/2 blind nuts, 3/4 NPT
WO1-358-7477
Assembly weight ...................................................... 13.2 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 17 lbs.
Style
119
Two
Ply
Bellows
Force Table (Use for Airstroke
®
actuator design)
Volume
Pounds Force
Assembly @ 100
Height
PSIG
@20
@40
@60
@80
@100
(in.)
(in
3
)
PSIG
PSIG
PSIG
PSIG
PSIG
6.0
932
1,640 3,800 6,100 8,550 11,070
5.0
787
2,560 5,490 8,450 11,450 14,520
4.0
617
3,080 6,470 9,850 13,190 16,600
3.0
436
3,310 6,920 10,530 14,030 17,630