Burkert 2000 - Page 18

Type 2000
Technical data
18
SFB / SFI, ø80 mm
Medium pressure
[bar]
Pilot pressure
[bar]
DN25 DN32 DN40 DN50 DN65
Fig.9: Actuator ø80 mm, control function B und I, flow direction below the seat
SFB / SFI, ø100 mm
Medium pressure
[bar]
Pilot pressure
[bar]
DN32 DN40 DN50 DN65
Fig.10: Actuator ø100 mm, control function B und I, flow direction below the seat
SFB / SFI, ø125 mm
Medium pressure
[bar]
Pilot pressure
[bar]
DN40 DN50 DN65 DN80
Fig.11: Actuator ø125 mm, control function B und I, flow direction below the seat
Minimum control pressure when flow direction above the seat
(Medium flow in valve closing direction)
Required minimum control pressure depending on the medium pressure
In the following graphs the required minimum control pressure is shown for the respective control function
depending on the medium pressure.