Dynamic Characteristics at 8.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 241 in
3
Gage
Spring
Pressure
Load
Rate
(PSIG)
(lbs.)
(lbs./ in.)
40
790
322
120
1.99
60
1,230
454
114
1.90
80
1,670
589
111
1.85
100
2,140
720
109
1.82
Natural
Frequency
CPM
HZ
10
9
8
7
6
5
4
3
MAX. HT.
MIN. HT.
3
2
1
Volume
100 Psig
4
3
2
1
60 Psig
80 Psig
100 Psig
40 Psig
20 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
8.0 INCHES
Static Data
8442
HEIGHT IN.
26
58
HEIGHT
3/8-16 BLIND NUTS
(5/8 DEEP)
8.6 MAX O.D.
AT 100 PSIG
2.75
5.31 DIA.
1/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
NOTE: A bead plate part is shown. This part is also avail-
able with bead rings. See pages 8-10 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.
Blind nuts, 1/4 NPT
WO1-358-7325
Blind nuts, 3/4 NPT
WO1-358-7327
Button head steel bead rings,
1
7
/
8
bolts, nuts, washers
WO1-358-7333
Rubber bellows only
WO1-358-0142
Assembly weight ........................................................ 5.3 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 23 lbs.
Style
26
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
8.0
241
400
790
1,230 1,670 2,140
7.0
217
490
950
1,460 1,970 2,500
6.0
189
570
1,090 1,660 2,230 2,820
5.0
158
640
1,220 1,850 2,490 3,140
4.0
124
690
1,340 2,010 2,700 3,400