Operating Conditions; Temperature Ranges; Pressure Ranges - Burkert 2101 Mode D'emploi

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 Actuator
size [mm] material
50
70
PPS
90
130
Tab. 2: 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
8
Medium
Environment
(for PTFE seal)
-10 ... +60 °C
-10 ... +185 °C
-10 ... +100 °C
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6.4.2 Pressure ranges

Actuator size [mm]
50
70
90
130
Tab. 3: Pressure ranges
4)  F orthedeviceversionø70/Orifice50/MC13themax.
1) permitted pilot pressure is limited to 7 bar.
Minimum pilot pressure: flow below the seat
(medium flow against the closing direction of the valve)
2)
Required minimum pilot pressure P
3)
Actuator 50
size [mm]
P [bar] 5,2
min
The required minimum pilot pressure P
I (flow below the seat) is dependent on the pressure of the medium
Minimum pilot pressure: flow above the seat
(medium flow with the closing direction of the valve)
The required minimum pilot pressure P
A (flow above the seat) is dependent on the pressure of the
medium .
5)
5) The pressure diagrams are in the operating instructions on
the Internet:
Type 2101
Technical data
Maximum pilot pressure
10 bar
7 bar
with control function A:
min
70 90 130
≤ DN 50
4,8 5,0 5,0
with control function B and
min
with control function
min
country.burkert.com
4)
130
≥ DN 65
5,6
.
5)