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Dynamic Characteristics at 5.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 80 PSIG = 20 in
3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./in.)
40 150 55 113 1.88
60 220 70 107 1.78
80 290 91 105 1.74
100 380 99 95 1.59
Description
Assembly Order No.
Blind nut, 1/8 NPT WO2-358-4001
Assembly weight ........................................................ 1.0 lbs.
Natural
Frequency
CPM HZ
4
3
2
1
0
9 8 7 6 5 4
MAX. HT. MIN. HT.
Volume
80 Psig
60 Psig
20 Psig
100 Psig
80 Psig
40 Psig
4
3
2
1
0
4
3
2
1
0
3.6
Do not use Airstroke in
shaded area without
consulting Firestone
CONSULT FIRESTONE
BEFORE USING AS
AIRMOUNT
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.5 INCHES
Static Data
8611
HEIGHT IN.
HEIGHT
3.1 MAX O.D.
AT 80 PSIG
15-20 FT. LBS.
TORQUE
3/8-16 THREADED HOLE
(3/4 DEEP)
1.65 DIA.
1/8 NPT
AIR INLET
1.38 DIA.
.50
NOTE: Bellows will not compress properly with less
than 10 PSIG internal pressure.
See page 12 for instructions on how to use chart.
VOLUME (WITHOUT BUMPER) CU IN. x 10
FORCE LBS x 100
Style
4001
Two
Ply
Bellows
Force Table (Use for Airstroke
®
actuator design)
Volume
Pounds Force
Assembly @ 80
Height PSIG @20 @40 @60 @80 @100
(in.) (in
3
) PSIG PSIG PSIG PSIG PSIG
7.0 26 80 160 230 320 410
6.0 22 80 160 220 300 400
5.0 18 70 150 210 290 370
4.0 14 60 140 200 270 340
81
4001