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Dynamic Characteristics at 5.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 641 in
3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./in.)
40 3,820 2,198 142 2.37
60 5,900 3,091 136 2.26
80 7,990 3,986 133 2.21
100 10,200 4,923 130 2.17
Natural
Frequency
CPM HZ
7 6 5 4 3 2
MAX. HT. MIN. HT.
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
80 Psig
20 Psig
60 Psig
9
8
7
6
5
4
3
2
1
Bumper Contact
(2.7)
40 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
Volume
100 Psig
100 Psig
120 Psig
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.5 INCHES
Static Data
A8915
HEIGHT IN.
113-1
48
HEIGHT
OPTIONAL
BUMPER
15.9 MAX O.D.
AT 100 PSIG
11.31 DIA.
3/8-16 BLIND NUTS
(5/8 DEEP)
6.25
1/4 or 3/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
6.25
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 100
FORCE LBS x 1000
Description
Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7091
Blind nuts, 3/4 NPT WO1-358-7092
Blind nuts, 3/4 NPT,
rubber bumper WO1-358-7094
Button head steel bead rings,
1
7
/8
bolts, nuts, washers
WO1-358-7277
Rubber bellows only WO1-358-0150
Assembly weight ...................................................... 15.2 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 25 lbs.
Style
113-1
Two
Ply
Bellows
Blind nuts, 3/4 NPT WO1-358-8160
Style
128-1
High
Strength
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
6.0 692 1,600 3,270 5,130 7,000 8,990
5.0 586 2,070 4,260 6,530 8,800 11,200
4.0 463 2,440 4,940 7,470 10,080 12,710
3.0 328 2,660 5,360 8,060 10,860 13,630