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131
Description
Blind nuts, 1/4 NPT
Style
131
Blind nuts, 3/4 NPT
Two
Socket head aluminum bead
Ply
rings (bolts, nuts, washers not
Bellows
included-use 1/4 cap screws)
3/4 NPT (only) upper plate,
blind nuts lower plate
Rubber bellows only
Assembly weight ........................................................ 2.8 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 32 lbs.
3/8-16 BLIND NUTS
(5/8 DEEP)
15-20 FT. LBS.
TORQUE
NOTE: A bead plate part is shown. This part is
also available with bead rings. Bolts are not included.
See pages 8-10 for explanation.
Dynamic Characteristics at 3.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 53 in
Gage
Pressure
Load
(PSIG)
(lbs.)
40
550
60
850
80
1,170
100
1,510
40
Assembly Order No.
WO1-358-7731
WO1-358-7742
WO1-358-0127
WO1-358-7729
WO1-358-0131
1/4 NPT
AIR INLET
1.75
6.5 MAX O.D.
AT 100 PSIG
HEIGHT
4.50 DIA.
3
Natural
Frequency
Spring
Rate
CPM
HZ
(lbs./ in.)
587
195
3.25
833
186
3.09
1,082
181
3.01
1,331
176
2.94
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
3.5 INCHES
Do not use Airstroke in
shaded area without
consulting Firestone
6
Volume
5
100 Psig
4
3
2
1
MAX. HT.
4.5
4.0
3.5
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
4.0
56
160
3.0
39
310
2.0
20
390
Static Data
6512
120 Psig
100 Psig
80 Psig
60 Psig
40 Psig
20 Psig
MIN. HT.
3.0
2.5
®
actuator design)
Pounds Force
@40
@60
@80
@100
PSIG
PSIG
PSIG
PSIG
400
650
910
1,210
640
990
1,350 1,730
790
1,200 1,600 2,050
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2.0
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