Firestone EMDG198 - Manual (Page 52)

Dynamic Characteristics at 5.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 1,315 in 3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./ in.)
40 11,030 6,237 141 2.35
60 16,710 8,763 136 2.26
80 22,460 11,345 133 2.22
100 28,290 13,751 131 2.18
Natural
Frequency
CPM HZ
7 6 5 4 3 2
MAX. HT. MIN. HT.
30
25
20
15
10
5
100 Psig
80 Psig
20 Psig
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
60 Psig
Volume
100 Psig
40 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.0 INCHES
Static Data
8701
HEIGHT IN.
126
52
HEIGHT
20.36 DIA.
24 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
19.00 BOLT CIRCLE DIA.
22.4 MAX O.D.
AT 100 PSIG
NOTE: A bead ring part is shown. This part is also avail-
able with rolled plates. See page 11 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.
Ribbed neck aluminum
bead rings (equal spacing),
1
7 / 8 bolts, nuts, washers WO1-358-7727
Rolled Plate Assembly,
1/2 blind nuts, 3/4 NPT
WO1-358-7726
Assembly weight ...................................................... 21.3 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 25 lbs.
Style
126
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
6.0 1,589 4,390 8,880 13,580 18,360 23,450
5.0 1,315 5,560 11,030 16,710 22,460 28,290
4.0 1,007 6,120 12,120 18,330 24,660 30,930
3.0 676 6,440 12,830 19,330 25,990 32,600