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45
6 5 4 3 2
MAX. HT. MIN. HT.
11
10
9
8
7
6
5
4
3
2
1
100 Psig
80 Psig
40 Psig
20 Psig
60 Psig
120 Psig
Volume
100 Psig
5
4
3
2
1
Do not use Airstroke in
shaded area without
consulting Firestone
Bumper Contact
(2.7)
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.0 INCHES
Static Data
9261
HEIGHT IN.
19
HEIGHT
OPTIONAL
BUMPER
12.9 MAX O.D.
AT 100 PSIG
9.00 DIA.
3/8-16 BLIND NUTS
(5/8 DEEP)
6.20
1/4 or 3/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
2.88
NOTE: A bead plate part is shown. This part is
also available 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 100
FORCE LBS x 1000
Dynamic Characteristics at 5.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 384 in
3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./in.)
40 2,130 1,670 166 2.77
60 3,310 2,379 159 2.65
80 4,500 3,112 156 2.60
100 5,680 3,778 153 2.55
Natural
Frequency
CPM HZ
Description
Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7008
Blind nuts, 1/4 NPT, bumper WO1-358-7009
Blind nuts, 3/4 NPT WO1-358-7011
Blind nuts, 3/4 NPT, bumper WO1-358-7012
Countersunk steel bead rings,
1
5
/8 bolts, nuts, washers WO1-358-7023
Rubber bellows only WO1-358-0134
Assembly weight ........................................................ 9.8 lbs.
Force to collapse to minimum height (@ 0 PSIG)......... 9 lbs.
Style
19
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
5.0 384 1,050 2,130 3,310 4,500 5,680
4.0 315 1,410 2,880 4,410 5,950 7,460
3.0 232 1,580 3,280 5,000 6,720 8,440