Firestone EMDG198 - Manual (Page 58)

Dynamic Characteristics at 8.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 241 in 3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./ in.)
40 790 322 120 1.99
60 1,230 454 114 1.90
80 1,670 589 111 1.85
100 2,140 720 109 1.82
Natural
Frequency
CPM HZ
10 9 8 7 6 5 4 3
MAX. HT. MIN. HT.
3
2
1
Volume
100 Psig
4
3
2
1
60 Psig
80 Psig
100 Psig
40 Psig
20 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
8.0 INCHES
Static Data
8442
HEIGHT IN.
26
58
HEIGHT
3/8-16 BLIND NUTS
(5/8 DEEP)
8.6 MAX O.D.
AT 100 PSIG
2.75
5.31 DIA.
1/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
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.
V
OLUME (WITHOUT B
UMPER) CU IN. x 100
FORCE LBS x 1000
Description Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7325
Blind nuts, 3/4 NPT WO1-358-7327
Button head steel bead rings,
1
7 / 8 bolts, nuts, washers WO1-358-7333
Rubber bellows only WO1-358-0142
Assembly weight ........................................................ 5.3 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 23 lbs.
Style
26
Two
Ply
Bellows
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
8.0 241 400 790 1,230 1,670 2,140
7.0 217 490 950 1,460 1,970 2,500
6.0 189 570 1,090 1,660 2,230 2,820
5.0 158 640 1,220 1,850 2,490 3,140
4.0 124 690 1,340 2,010 2,700 3,400