Europe, Middle East, and Africa Document Only
Figure 11. Type EZR Working Monitor System Installation with PRX Pilots
Block Valve
Block Valve
Type PRX/120
Working Pilot
Control Line
Supply Pressure Line
Pu
Pd
Working Regulator
Monitor Regulator
Type PRX/125
Monitor Pilot
Supply
Pressure
Line
L
S
A
S
B
L
A
B
Type
PRX/120
Pilot
IP
IM
PI
(1)
(1) Plugged
B19C
INSTALLATION
Figure 9. Type EZR Single Installation with PRX Pilot and Separate Pilot Exhaust Line
Figure 10. Type EZR Wide-Open Monitoring System Installation with PRX Pilot (Upstream and Downstream)
Block Valve
Block Valve
Type PRX/120
Pilot
Control Line
Supply Pressure Line
Pu
Pd
Downstream Regulator
Upstream Regulator
Pilot Exhaust
Type
PRX/120
Pilot
Supply Pressure Line
IP
IP
PI
Block Valve
Block Valve
Pilot Exhaust
Type PRX Pilot
Control Line
Supply Pressure Line
Pu
Pd
IP
B19A
B19B
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