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Belted
Air
Spring Type GRB-VD with integrated Viscous Damper
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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. |
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Type
(click
for PDF document )
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Load
at
6 bar
(kN)
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Operating
Height
(mm)
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Max.
Diameter
(mm)
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Necessary
dia for installation
(mm)
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weight
(kg)
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Damping
factor
()
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1st
natural Frequency at 6 bar (Hz)
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<% = A(1) %>
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<% = b(1) %>
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<% = c(1) %>
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<% = d(1) %>
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<% = e(1) %>
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<% = f(1) %>
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<% = g(1) %>
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<% = A(2) %>
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<% = b(2) %>
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<% = c(2) %>
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<% = d(2) %>
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<% = e(2) %>
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<% = f(2) %>
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<% = g(2) %>
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<% = A(3) %>
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<% = b(3) %>
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<% = c(3) %>
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<% = d(3) %>
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<% = e(3) %>
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<% = f(3) %>
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<% = g(3) %>
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<% = A(4) %>
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<% = b(4) %>
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<% = c(4) %>
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<% = d(4) %>
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<% = e(4) %>
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<% = f(4) %>
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<% = g(4) %>
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<%
DIM i
For i = 1 to 4
A(i)= Round (A(i) * 224.8,1)
B(i)= Round (B(i) / 25.4,1)
c(i)= Round (c(i) / 25.4,1)
d(i)= Round (d(i) / 25.4,1)
e(i)= Round (e(i) * 2.2,1)
next
%>
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Type
(click
for PDF document )
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Load
at
87 psi
(lbf)
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Operating
Height
(inch)
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Max.
Diameter
(inch)
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Necessary
dia for installation
(inch)
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weight
(lbs)
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Damping
factor
()
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1st
natural Frequency at 87 PSI (Hz)
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<% = A(1) %>
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<% = b(1) %>
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<% = c(1) %>
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<% = d(1) %>
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<% = e(1) %>
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<% = f(1) %>
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<% = g(1) %>
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<% = A(2) %>
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<% = b(2) %>
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<% = c(2) %>
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<% = d(2) %>
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<% = e(2) %>
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<% = f(2) %>
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<% = g(2) %>
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<% = A(3) %>
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<% = b(3) %>
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<% = c(3) %>
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<% = d(3) %>
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<% = e(3) %>
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<% = f(3) %>
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<% = g(3) %>
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<% = A(4) %>
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<% = b(4) %>
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<% = c(4) %>
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<% = d(4) %>
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<% = e(4) %>
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<% = f(4) %>
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<% = g(4) %>
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CFM-Schiller GmbH: Belted Air Spring Type GRB-MD with visco damper
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