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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.
VOLUME (WITHOUT BUMPER) 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