Firestone EMDG198 - Manual (Page 42)

Dynamic Characteristics at 4.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 149 in 3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./ in.)
40 850 736 175 2.91
60 1,330 1,070 168 2.80
80 1,830 1,374 163 2.71
100 2,360 1,688 159 2.65
Natural
Frequency
CPM HZ
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
4.5 INCHES
Static Data
7557
HEIGHT IN.
116
42
HEIGHT
9.1 MAX O.D.
AT 100 PSIG
5.31 DIA.
3/8-16 BLIND NUTS
(5/8 DEEP)
2.75
1/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
NOTE: A bead plate part is shown. This part is
also available 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 10
FORCE LBS x 1000
Description Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7564
Blind nuts, 3/4 NPT WO1-358-7561
Button head steel bead rings,
1
5 / 8 bolts, nuts, washers WO1-358-7568
Blind nuts with installed 1/4
tank valve
WO1-A72-7518
Rubber bellows only WO1-358-0133
Assembly weight ........................................................ 4.3 lbs.
Force to collapse to minimum height (@ 0 PSIG)......... 8 lbs.
Style
116
Two
Ply
Bellows
Blind nuts, 1/4 NPT WO1-358-7600
Blind nuts, 3/4 NPT WO1-358-7602
Button head steel bead rings,
1
7 / 8 bolts, nuts, washers WO1-358-7606
Style
117
High
Strength
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
5.0 161 290 600 970 1,370 1,800
4.0 135 520 1,050 1,630 2,210 2,820
3.0 102 650 1,310 2,000 2,690 3,410