Burkert 2103 Instructions De Service page 17

Operating pressure for control function a
The values apply to housing made of
• forged steel (VS)
• precision casting (VG)
max. sealed medium pressure [bar]
nominal
actuator
width pressure on one
size
dn
[mm]
[mm]
epdm/fkm
ø 50 8 10
ø 50 15 7.5
ø 70 15 10
ø 70 20 10
ø 70 6.5
25
ø 90 10
The control functions are described in the chapter entitled "Structure and
4
Function".
14
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4
pressure on both
side sides
ptfe epdm/fkm
10 10
5 5
10 10
10 10
6 5.5
8 10
english
required minimum control pressure depending on medium
pressure
The following graphs illustrate the required minimum control pressure
depending on the medium pressure for control functions B and I.
The values apply to housing made of
• forged steel (VS)
• precision casting (VG)
ptfe
Control function B / elastomer diaphragm
10
3.5
ø50
epdm
10
16
7.5
14
4.5
12
7
10
8
6
4
2
0
0 1
Fig. 2: Pressure graph, actuator ø 50 mm, control function B,
elastomer diaphragm
Type 2103
Technical Data
2 3 4 5 6 7
Control pressure [bar]
8 9 10