Burkert 2000 - Temperature and Pressure Ranges; Temperature Ranges; Pressure Ranges; Minimum Pilot Pressure Values

Type 2000
Technical data
16
The sound pressure level may be higher depending on the us-
age conditions
6.4.1 Temperature ranges
Actuator size [mm] Actuator material Medium temperature (with
PTFE seal) [°C]
Ambient temperature
3
[°C]
ø40...ø63 PA −10...see image below −10...see image below
ø80...ø125 PA −10...+180 −10...+60
ø40...ø80 PPS −10...+180 +5...+140
ø125 PPS −10...+180 +5...+90
4
Tab.3: Temperature ranges
Ambient
temperature [°C]
Medium
temperature (°C)
Fig.5: Temperature range of maximum medium and ambient temperature for PA actuators
6.4.2 Pressure ranges
Actuator material Actuator size [mm] Max. Pilot pressure [bar]
PA ø40...ø80 10
ø125 7
PPS ø40...ø80 10
ø125 7
Tab.4: Maximum pilot pressure
6.4.3 Minimum pilot pressure values
Minimum control pressure when flow direction below seat
(Medium flow against valve closing direction)
The required minimum pilot pressure P
min
for control function A is:
Actuator
size [mm]
ø40 ø50 ø63 ø80 ø100 ø125 ø125 DN80
P
min
[bar] 4.0 3.9 4.5 5.0 4.4 3.2 4.1
Tab.5: Minimum pilot pressure SFA
3
When using a pilot valve the max. ambient temperature is +55 °C.
4
briefly up to a max. of 140°C