Burkert Type 2100 User Manual
Page 8
8
Technical data
Minimum pilot pressure: flow direction below the seat
(medium flow against the closing direction of the valve)
Required minimum pilot pressure P
min
with control function A:
Actuator size
[mm]
50
70
90
130
≤ DN 50
130
DN 65
P
min
[bar]
5.2
4.8
5.0
5.0
5.6
Tab. 3: Required minimum pilot pressure - CF A
The required minimum pilot pressure P
min
with control function B and
I (flow direction below the seat) is dependent on the pressure of the
medium
5)
.
Minimum pilot pressure: flow direction above the seat
(medium flow with the closing direction of the valve)
The required minimum pilot pressure P
min
with control function A
(flow direction above the seat) is dependent on the pressure of the
medium
5)
.
5)
The pressure diagrams are in the operating instructions on the
Internet:
6.5. General technical data
Media
Control medium
Neutral gases, air
Flow media
Water, alcohol, fuel, hydraulic liquids,
saline solutions, lye, organic solvents
Materials and
connections
see data sheet or operating instructions
Installation
as required, preferably with actuator in
upright position.
Protection class
IP67 in accordance with IEC 529 /
EN 60529
6.6. Control functions (CF)
A
1(P)
2(A)
Normally closed by spring action.
B
1(P)
2(B)
Normally open by spring action.
I
1(P)
2(A)
Actuating function via reciprocal pressurization.
Tab. 4: Control functions
english
Type 2100