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Description
Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7180
Blind nuts, 1/4 NPT, bumper WO1-358-7400
Blind nuts, 3/4 NPT WO1-358-7184
Blind nuts, 3/4 NPT, bumper WO1-358-7185
Countersunk steel bead rings,
1
5
/
8
bolts, nuts, washers
WO1-358-7431
Rubber bellows only WO1-358-0226
Assembly weight ....................................................... 12.3 lbs
Force to collapse to minimum height (@ 0 PSIG)....... 20 lbs.
MAX. HT. MIN. HT.
11
10
9
8
7
6
5
4
3
2
1
80 Psig
100 Psig
20 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
Volume
100 Psig
12 11 10
Bumper Contact
(4.2)
11
10
9
8
7
6
5
4
3
2
1
120 Psig
40 Psig
60 Psig
9 8 7 6 5 4 3
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
9.5 INCHES
Static Data
1227
HEIGHT IN.
22
HEIGHT
OPTIONAL
BUMPER
3/8-16 BLIND NUTS
(5/8 DEEP)
12.9 MAX O.D.
AT 100 PSIG
6.20
9.00 DIA.
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 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
Style
22
Two
Ply
Bellows
Blind nuts, 1/4 NPT WO1-358-7251
Blind nuts, 1/4 NPT, bumper WO1-358-7291
Blind nuts, 3/4 NPT WO1-358-7250
Countersunk steel bead rings,
1
3
/
4
bolts, nuts, washers
WO1-358-7258
Rubber bellows only WO1-358-7928
Style
210
High
Strength
Bellows
Dynamic Characteristics at 9.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 782 in
3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./in.)
40 2,050 729 112 1.86
60 3,170 1,036 107 1.79
80 4,280 1,373 106 1.77
100 5,400 1,668 104 1.74
Natural
Frequency
CPM HZ
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
10.0 809 950 1,810 2,830 3,810 4,840
9.0 752 1,170 2,260 3,460 4,670 5,880
8.0 685 1,310 2,590 3,940 5,350 6,700
7.0 610 1,430 2,900 4,390 5,950 7,450
6.0 529 1,540 3,170 4,780 6,470 8,110
5.0 442 1,640 3,380 5,100 6,880 8,630
4.0 349 1,730 3,520 5,340 7,180 9,020