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Description
Blind nuts, 1/4 NPT
Style
233-2
Blind nuts, 1/4 NPT,
rubber bumper
Two
Ply
Blind nuts, 3/4 NPT
Bellows
Assembly weight ....................................................... 19.6 lbs
Force to collapse to minimum height (@ 0 PSIG)..... 100 lbs.
3/8-16 BLIND NUTS
(5/8 DEEP)
15-20 FT. LBS.
6.25
TORQUE
15.5 MAX O.D.
AT 100 PSIG
OPTIONAL
BUMPER
11.31 DIA.
NOTE: The bellows extends beyond the bead plates at
minimum height.
NOTE: A bead plate part is shown. This part is also avail-
able with bead rings. See pages 8-10 for explanation.
Dynamic Characteristics at 11.25 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 1,418 in
Gage
Pressure
Load
(PSIG)
(lbs.)
(lbs./ in.)
40
3,413
60
5,631
80
7,691
100
9,917
Assembly Order No.
WO1-358-6810
WO1-358-7781
WO1-358-6811
1/4 NPT
AIR INLET
6.25
3.125
HEIGHT
3
Natural
Frequency
Spring
Rate
CPM
HZ
968
100
1.67
1,351
92
1.53
1,735
89
1.49
2,122
87
1.45
RECOMMENDED
CONSULT FIRESTONE
AIRMOUNT
BEFORE USING AS
DESIGN HEIGHT
AIRMOUNT
11.25 INCHES
20
Do not use Airstroke in
shaded area without
consulting Firestone
18
Volume
16
100 Psig
14
12
10
8
6
4
2
0
MAX. HT.
16
14
12
HEIGHT IN.
See page 12 for instructions on how to use chart.
Force Table (Use for Airstroke
Volume
Assembly @ 100
Height
PSIG
@20
3
(in.)
(in
)
PSIG
12.0
1,548 1,542 3,299 5,184 7,194 9,321
10.0
1,333 1,992 4,052 6,239 8,483 10,937
8.0
1,091 2,311 4,666 7,128 9,601 12,333
6.0
829
2,569 5,174 7,485 10,564 13,468
4.0
556
2,793 5,431 8,189 10,966 13,867
233-2
Static Data
A9899
120 Psig
100 Psig
80 Psig
60 Psig
40 Psig
20 Psig
MIN. HT.
10
8
6
4
Bumper Contact
(4.8)
®
actuator design)
Pounds Force
@40
@60
@80
@100
PSIG
PSIG
PSIG
PSIG
20
18
16
14
12
10
8
6
4
2
0
3
65
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