55
7
6
5
4
MAX. HT.
MIN. HT.
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
2.8
60 Psig
40 Psig
20 Psig
Volume
100 Psig
80 Psig
100 Psig
120 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.5 INCHES
Static Data
8828
HEIGHT IN.
25
HEIGHT
3/8-16 BLIND NUTS
(5/8 DEEP)
6.4 MAX O.D.
AT 100 PSIG
1.75
4.50 DIA.
1/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
NOTE: A bead plate part is shown. This part is also
available with bead rings. Bolts are not included.
See pages 8-10 for explanation.
See page 12 for instructions on how to use chart.
V
OLUME (WITHOUT B
UMPER) CU IN. x 10
FORCE LBS x 100
Dynamic Characteristics at 5.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 82 in
3
Gage
Spring
Pressure
Load
Rate
(PSIG)
(lbs.)
(lbs./ in.)
40
430
329
164
2.73
60
670
477
158
2.63
80
910
616
154
2.57
100
1,180
757
151
2.51
Natural
Frequency
CPM
HZ
Description
Assembly Order No.
Blind nuts, 1/4 NPT
WO1-358-7025
Blind nuts, 3/4 NPT
WO1-358-7047
Blind nuts, 1/4 NPT both ends
WO1-358-7035
3/4 NPT both ends
(no blind nuts)
WO1-606-7025
Socket head aluminum bead
rings (bolts, nuts, washers not
included, use cap screws)
WO1-358-0030
3/4 NPT (only) upper plate,
blind nuts lower plate
WO1-358-7030
Rubber bellows only
(no girdle hoop)
WO1-358-0025
Assembly weight ........................................................ 3.8 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 30 lbs.
Style
25
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
5.0
75
240
520
800
1,080 1,380
4.0
58
310
660
990
1,330 1,690
3.0
39
360
750
1,130 1,530 1,930