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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
10.0 541 920 1,750 2,600 3,470 4,410
9.0 490 1,030 2,010 3,050 4,050 5,130
8.0 433 1,100 2,090 3,210 4,330 5,470
7.0 373 1,110 2,100 3,220 4,370 5,490
6.0 314 1,160 2,190 3,330 4,480 5,650
5.0 251 1,450 2,570 3,780 5,010 6,290
Dynamic Characteristics at 7.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 373 in
3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./in.)
40 2,100 658 105 1.75
60 3,220 908 100 1.66
80 4,370 1,168 97 1.62
100 5,490 1,408 95 1.58
Description
Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-9400
Blind nuts, 1/4 NPT, bumper WO1-358-9402
Blind nuts, 3/4 NPT WO1-358-9401
Assembly weight ...................................................... 10.4 lbs.
Natural
Frequency
CPM HZ
8
7
6
5
4
3
2
1
0
MAX. HT.
8
7
6
5
4
3
2
1
0
MIN. HT.
12 11 10 9 48 7 6 5
60 Psig
20 Psig
100 Psig
40 Psig
120 Psig
80 Psig
Volume
100 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
BUMPER CONTACT
5.5 IN.
CONSULT FIRESTONE
BEFORE USING AS
AIRMOUNT
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
7.0 INCHES
Static Data
4209
HEIGHT IN.
HEIGHT
OPTIONAL
BUMPER
11.2 MAX O.D.
AT 100 PSIG
9.25 DIA.
3/8-16 BLIND NUTS
(5/8 DEEP)
1/4 OR 3/4 NPT
AIR INLET
6.20
2.88
2.00
9.00 DIA.
1/2-13 THREADED HOLE
(3/4 DEEP)
15-20 FT. LBS.
TORQUE
25-30 FT. LBS.
TORQUE
NOTE: Bellows will not compress properly with less
than 10 PSIG internal pressure.
NOTE: A bead plate part is shown. This part is also
available with a bead ring. Bolts are not included.
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
Style
1T15T-1
Two
Ply
Bellows
89
1T15T
-
1