Firestone EMDG198 manual 255-1.5, 50 lbs

255-1.5

		Description	Assembly Order No.
	Style	Blind nuts, 1/4 NPT	WO1-358-6955
	255-1.5	Blind nuts, 3/4 NPT	WO1-358-6956
	Two	Rubber bellows only	WO1-358-0048
	Ply
	Bellows
Assembly weight				3.9 lbs.
Force to collapse to minimum height (@ 0 PSIG)				50 lbs.

3/8-16 BLIND NUTS

(5/8 DEEP)1/4 NPT AIR INLET

15-20 FT. LBS.		1.75
TORQUE
	6.4 MAX O.D.
	AT 100 PSIG

HEIGHT

4.50 DIA.

NOTE: A bead plate part is shown. This part is also

CONSULT FIRESTONE

RECOMMENDED

Static Data

AIRMOUNT

BEFORE USING AS

DESIGN HEIGHT

B4652

AIRMOUNT

6.0 INCHES

Do not

use Airstroke in

14

shaded

area without

120 Psig

28

consulting Firestone

Volume

100 Psig

12

24

IN. x 10

100 Psig

10

20

BUMPER)(WITHOUTCU

LBSFORCEx 100

8

80 Psig

16

VOLUME

6

60 Psig

12

4

40 Psig

8

2

20 Psig

4

0						0
MAX. HT.
8	7	6	5	4	3

available with bead rings. Bolts are not included.

See pages 8-10 for explanation.

HEIGHT IN.

MIN. HT.

Dynamic Characteristics at 6.0 in. Design Height

(Required for Airmount isolator design only)

Volume @ 100 PSIG = 100 in3			Natural
			Frequency
Gage		Spring
Pressure	Load	Rate	CPM	HZ
(PSIG)	(lbs.)	(lbs./in.)
40	566	309	138.96	2.32
60	871	432	132.42	2.21
80	1,194	565	129.37	2.16
100	1,524	681	125.71	2.10

56

See page 12 for instructions on how to use chart.

Force Table (Use for Airstroke® actuator design)

	Volume			Pounds Force
Assembly	@ 100
Height	PSIG	@20	@40		@60	@80	@100
(in.)	(in3)	PSIG	PSIG		PSIG	PSIG	PSIG
7.0	114	188	417		661	921	1,198
6.0	100	270	566		871	1,194	1,524
5.0	82	331	686		1,041	1,414	1,786
4.0	62	389	729		1,197	1,612	2,039