6 general technical data – Burkert Type 2105 User Manual
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Technicaldata
flow characteristics for dn50
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
stroke [%]
k
v
value
[%
]
Vg
Vs
Fig. 33: Flow characteristics for DN50
7.6
general technical data
control functions (cf)
Control function A
Normally closed by spring action
Control function B
Normally open by spring action
Control function I
Actuating function via reciprocal
pressurization
actuator sizes
ø 50 mm
ø 70 mm
ø 90 mm
ø 130 mm
materials
Body type 2103
Precision casting (VG),
forged steel (VS)
Body type 2104, 2105
VA block material
Actuator
PPS and stainless steel
Sealing elements
FKM and EPDM
Diaphragm
EPDM, PTFE, FKM
english
Type 2103, 2104, 2105