Casting Plates
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Test Fixtures
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FOUNDATION BLOCK
T-SLOT BASEPLATES
ANCHOR FRAME
4 POSTER TEST SYSTEM

FULL CAR TEST SYSTEM
FUNDAMENTALS
VIBRATION ISOLATORS
AIR SPRINGS
- ADVANTAGES
- SINGLE CONVOLUTION
SERIES BZ
  - ROLLING LOBE
SERIES RB
  - BELTED
  SERIES GRB
  GRB WITH DAMPER
  GRB W/ VISCO DAMPER
  SERIES SRB - SQUARE
  - MEMBRANE CONVOLUTION
 
  - MEMBRANE AIRSPRINGS
 
SERIES MAS (NEW)
STEEL SPRINGS
LEVEL CONTROL SYSTEM.
THE SOFIA PROJECT
Belted Air Spring Type GRB-VD with integrated Viscous Damper
The belted rubber bellows of the GRB series are manufactured of high-quality elastomer materials with vulcanized wire belt. They therefore possess sound lateral characteristics. The cover plate and the piston are made of cast aluminum. Air spring of series GRB have a load capacity up to 248 kN depending on the version with a natural frequency between 0.7 and 1.1 Hz. The air springs of series GRB VD are equipped with a viscous damper. The springs of GRB series are standard elements for large foundation mountings.
Type
(click for PDF document )
Load at
6 bar
(kN)
Operating
Height
(mm)
Max.
Diameter
(mm)
Necessary dia for installation
(mm)
weight

(kg)
Damping
factor
()
1st natural Frequency at 6 bar (Hz)
78
330
510
600
40
0.15
1.4
124
330
610
700
57
0.15
1.3
182
330
720
800
120
0.15
1.2
248
330
845
1000
165
0.15
1.3
Type
(click for PDF document )
Load at
87 psi
(lbf)
Operating
Height
(inch)
Max.
Diameter
(inch)
Necessary dia for installation
(inch)
weight

(lbs)
Damping
factor
()
1st natural Frequency at 87 PSI (Hz)
17534.4
13
20.1
23.6
88
0.15
1.4
27875.2
13
24
27.6
125.4
0.15
1.3
40913.6
13
28.3
31.5
264
0.15
1.2
55750.4
13
33.3
39.4
363
0.15
1.3

 
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