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Various control valves from the Bürkert range may be used in connection with the Top Control positioner depending on the installation
conditions. Angle valves, diaphragm valves, including ball valves fitted with a control cone are suitable, as well as piston or rotary driven
pneumatic actuators.
Pneumatic piston actuators or rotary actuators may be used as actuators. Single acting and double acting actuators may be used in
combination with the Top Control.
Within a single action actuator a single chamber is filled and exhausted. The resulting pressure acts on a spring, which forces the piston
to move until the pressure difference between the piston and spring are equal.
Double chamber actuators posses 2 chambers, which supply the pressure to the piston. The filling of one chamber induces the emptying
of the other, as there is no spring within this design.
Valves characteristics:
A
A
A
A
A
n
n
n
n
n
g
g
g
g
g
e l
e l
e l
e l
e l
v
v
v
v
v
a
a
a
a
a
v l
v l
v l
v l
v l
e
e
e
e
e
s
s
s
s
s
T
T
T
T
T
y
y
y
y
y
p
p
p
p
p
e
e
e
e
e
s
s
s
s
s
•
2
0
0
0
R
•
2
6
3
2
C
C
C
C
h
h
h
h
a
a
a
a
a r
a r
a r
a r
t c
t c
t c
t c
- e
- e
- e
- e
•
F
o l
w
v o
r e
r o
u
n
d
r e
h t
e
e s
C
h
a
a r
t c
- e
i r
t s
c i
s
•
r P
t o
c e
e t
d
a
g
a
n i
t s
w
t a
r e
e s
t a
•
t S
a r
g i
t h
o l f
w
d
r i
c e
o i t
n
•
H
g i
h
g i t
h
n t
e
s s
h t
o r
u
g
h
•
W
a
e t
, r
s
e t
a
m
a
n
d
g
s a
T
T
T
T
T
y
y
y
y
y
p
p
p
p
p
c i
c i
c i
c i
c i
l a
l a
l a
l a
l a
m
e
d
u i
m
•
l A
o c
h
, l o
o
, l i
u f
, l e
h
d y
a r
u
•
r B
n i
, e
o
g r
a
n
c i
u l f
d i
, s
b
a
e s
•
S
l o
e v
t n
74
D
D
D
D
D
a i
a i
a i
a i
a i
p
p
p
p
p
h
h
h
h
h
a r
a r
a r
a r
a r
g
g
g
g
g
•
2
0
3
0
•
2
0
3
1
•
2
0
3
1
K
t a
•
F
u l
d i
g i t
e
n
i v
o r
n
h
a
m
m
r e
y b
o l f
w
u
n
d
r e
h t
e
•
N
o
d
e
a
•
d
r i
c e
o i t
u t
b r
u
e l
n
e s
p f l
o
i s
o i t
n
n i
g
p
a
k c
n i
g
b
x o
•
S
e t
a
m
•
C
P I
•
W
t a
r e
h
•
R
e
m
o
a v
m
o
u
n
e t
•
N
e
u
r t
l a
c i l
f
i u l
s d
•
C
h
a
g r
e
•
H
g i
h
p
r u
•
H
g i
h
i v
m
m
m
m
m
v
v
v
v
v
a
a
a
a
a
v l
v l
v l
v l
v l
e
e
e
e
e
s
s
s
s
s
l t h
i y
o s
a l
e t
d
f
o r
m
h t
e
c a
u t
t a
r o
a
n
d
m
e
t n
d
o v
u l
m
, e
s
f l e
p
u
g r
n i
g
d
s e
g i
n
n
f o
o l f
w
s a
e r
q
i u
e r
d
w
h t i
m
n i
m i
l a
e c
f o
o l f
w
s
e t
i l i r
a z
b
e l
a
m
m
e
f r
e r
e
b
e l
d
a i
p
h
a r
g
m
a
n
d
c a
u t
t a
r o
h t
o r
u
g
h
d
h
o
s u
n i
g
u l f
d i
a
n
d
g
s a
d
r o
a
g
r g
s e
i s
e v
f
i u l
s d
y t i
r o
s
e t
i l i r
e s
d
u l f
d i
c s
s o
y t i
f
i u l
s d
B
B
B
B
B
a
a
a
a
a
l l
l l
l l
l l
l l
v
v
v
v
v
a
a
a
a
a
v l
v l
v l
v l
v l
e
e
e
e
e
s
s
s
s
s
•
2
6
5
2
2 (
p
a
t r
) s
•
2
6
5
5
3 (
p
a
t r
) s
•
p
s o
i s
l i b
y t i
f o
n i
e t
n r
l a
c s
a r
p
n i
g
•
R
e
d
u
e c
d
d
e
a
d
o v
u l
m
e
•
L
o
w
e r
e t
n
o i t
n
f o
d
e
p
s o
s t i
•
R
e
p
a l
e c
a
b
e l
e s
t a
a
n
d
e s
a
s l
h t
o r
u
g
h
3
v
l a
e v
d
s e
g i
n
•
N
e
u
r t
l a
u l f
d i
a
n
d
g
s a
•
P
u
e r
w
t a
r e
•
L
o
w
a
g
r g
s e
i s
e v
f
i u l
s d
Operating instructions no. 800607
p
r a
s t
b
l l a
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