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DUNGS MBE
Components and position of pressure switches
6
5
VD-V
VD-R
4
7
2
PS pressure sensor connection to VD-R actuator and gas train
PS
Ø
min. 5 Ø
Attention: In the case of the MBE... valve, a pressure limit switch downstream of the safety valve is mandatory.
Pressure taps MultiBloc MBE
VD-V
6
3
4
1
8
VD-R
VD-V
PART III: INSTALLATION
1
PGMIN minimum gas pressure switch
VD-R
2
PGMIN minimum gas pressure switch (alternative
5
to 1)
3
PGCP leakage control gas pressure switch
3
4
PGMAX maximum gas pressure switch
1
5
Actuator with integrated pressure stabiliser
6
On-Off actuator
7
Valve body (Threaded)
8
Valve body (Flange)
2
19
On equipment versions Facile VD-R
must be installed upstream valve
1, 2, 3, 5 Sealing plug
G1/8 ISO 228
4 G3/4 for system
accessories
6, 7 Sealing plug G1/4
ISO 228
8 For version VB...L
only: connection for
vent line
VB-2½L=1¼"NPT
VB-3L=1½"NPT
VB-4L=2"NPT
VB-5L=2"NPT
1, 2, 3, 4 Sealing plug
G1/8 ISO 228
5 Locking screw
For version VB-2L only:
connection for vent line
NPT 1
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