English, Type 2101 – Burkert Type 2101 User Manual
Page 15
15
Technicaldata
required minimum pilot pressure depending on medium
pressure
The following graphs illustrate the required minimum pilot pressure
depending on the medium pressure for control functions A, B and I.
control function a, flow direction above seat
pilot pressure [bar]
m
edium
pressure
[bar]
ø 50
cfa above seat
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
16
DN15
DN20
DN25
Fig. 6: Pressure graph, actuator ø 50 mm, control function A, flow
direction above seat
pilot pressure [bar]
m
edium
pressure
[bar]
ø 70
cfa above seat
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
16
DN15 DN20
DN25
DN32
DN40
DN50
Fig. 7: Pressure graph, actuator ø 70 mm, control function A, flow
direction above seat
pilot pressure [bar]
m
edium
pressure
[bar]
ø 90
cfa above seat
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
16
DN40
DN50
DN65
Fig. 8: Pressure graph, actuator ø 90 mm, control function A, flow
direction above seat
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Type 2101