Burkert Type 2101 User Manual
Page 8
8
Technical data
Type 2101
6.4. operating conditions
Observe permitted ranges on the type label of the device!
6.4.1. Temperature ranges
The globe valve is suitable for steam sterilization.
actuator
size
actuator
material
medium
(for ptfe seal)
environment
1)
ø 50 mm
PPS
-10 ... +185 °C
0 ... +60 °C
2)
0 ... +100 °C
3)
ø 70 mm
ø 90 mm
ø 130 mm
Tab. 1: Temperature ranges
1)
If a pilot valve is used, the max. ambient temperature is
+55 °C.
2)
Pilot air ports with push-in connector
3)
Pilot air ports with threaded bushing
6.4.2. Pressure ranges
actuator size
maximum pilot pressure
4)
ø 50 mm
10 bar
ø 70 mm
ø 90 mm
ø 130 mm
7 bar
Tab. 2: Pressure ranges
4)
For the device version ø 70 / Orifice 50 / MC 13 the
max. permitted pilot pressure is limited to 7 bar.
minimum pilot pressure: flow 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
The required minimum pilot pressure P
min
with control function B and I
(flow below the seat) is dependent on the pressure of the medium
5)
.
minimum pilot pressure: flow above the seat
(medium flow with the closing direction of the valve)
The required minimum pilot pressure P
min
with control function A
(flow above the seat) is dependent on the pressure of the medium
5)
.
5)
The pressure diagrams are in the operating instructions
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