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
11.0
520
449
951
1,517 2,122 2,753
10.0
488
572
1,184 1,848 2,531 3,238
9.0
451
673
1,384
2134
2,880 3,661
8.0
409
759
1,554 2,377 3,193 4,049
7.0
364
836
1,704 2,590 3,485 4,416
6.0
316
907
1,845 2,786 3,753 4,748
5.0
256
975
1,979 2,954 3,968 5,005
Dynamic Characteristics at 10.0 in. Design Height
Consult factory before using as an Airmount isolator.
Volume @ 100 PSIG = 488 in
3
Gage
Spring
Pressure
Load
Rate
(PSIG)
(lbs.)
(lbs./ in.)
40
1,184
376
105.91
1.77
60
1,848
534
101.04
1.68
80
2,531
669
96.64
1.61
100
3,238
813
94.21
1.57
Natural
Frequency
CPM
HZ
60
50
40
30
20
10
0
13
Bumper Contact
(4.2)
MAX. HT.
MIN. HT.
11
9
7
5
3
60
50
40
30
20
10
0
Volume
100 Psig
80 Psig
20 Psig
60 Psig
100 Psig
120 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
40 Psig
CONSULT FIRESTONE
BEFORE USING AS
AIRMOUNT
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
10.0 INCHES
Static Data
A9902
HEIGHT IN.
20-2
60
10.4 MAX O.D.
AT 100 PSIG
HEIGHT
6.31 DIA.
3/8-16 BLIND NUTS
(5/8 DEEP)
1/4 OR 3/4 NPT
AIR INLET
3.50
15-20 FT. LBS.
TORQUE
1.75*
OPTIONAL
BUMPER
*(1.50 FOR 3/4)
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 10
FORCE LBS x 100
Description
Assembly Order No.
Blind nuts, 1/4 NPT
WO1-358-6951
Blind nuts, 3/4 NPT
WO1-358-6952
Blind nuts, 3/4 NPT,
rubber bumper
WO1-358-6947
Rubber bellows only
WO1-358-0152
Assembly weight ........................................................ 7.7 lbs.
Force to collapse to minimum height (@ 0 PSIG)........17 lbs.
Style
20-2
Two
Ply
Bellows
