Typical Type Ezr Monitoring System Installation Schematics - Fisher EZR Instruction Manual

BLOCK VALVE
InLET
SUPPLY
RESTRIcTOR
PRESSURE LInE
161 SERIES PILOT
B2605_C
161 SERIES wIDE-OPEN MONITORING SYSTEM INSTALLATION (UPSTREAM OR DOwNSTREAM)
BLOCK VALVE
InLET
SUPPLY
RESTRIcTOR
PRESSURE LInE
161 SERIES
MONITOR PILOT
B2605_D
BLOCK VALVE
InLET
TYPE PRx
PILOT
SUPPLY
PRESSURE LInE
TYPE PRX wIDE-OPEN MONITORING SYSTEM INSTALLATION (UPSTREAM OR DOwNSTREAM)
BLOCK VALVE
InLET
SUPPLY
PRESSURE LInE
TYPE PRX-120
wORKING PILOT
(1) PLUGGED
Figure 4. Typical Type EZR Monitoring System Installation Schematics
UPSTREAM REGULATOR
SUPPLY
PRESSURE
LInE
PILOT RESTRIcTOR
ExHAUST
MONITOR REGULATOR
SUPPLY
PRESSURE
LInE
cOnTROL LInE
161 SERIES wORKING PILOT
161 SERIES wORKING MONITORING SYSTEM INSTALLATION
UPSTREAM REGULATOR
SUPPLY
PRESSURE
LInE
PILOT
ExHAUST
MONITOR REGULATOR
L A
B
L
S (1)
S A
B
TYPE PRX-125
MONITOR PILOT
TYPE PRX wORKING MONITOR SYSTEM INSTALLATION
DOwNSTREAM
REGULATOR
161 SERIES
PILOT
cOnTROL LInE
wORKING
REGULATOR
RESTRIcTOR
cOnTROL LInE
DOwNSTREAM
REGULATOR
TYPE PRx
PILOT
cOnTROL LInE
wORKING
REGULATOR
SUPPLY
PRESSURE
LInE
cOnTROL LInE
Type EZR
BLOCK VALVE
OUTLET
hAND VALVE
cOnTROL
LInE
hAND
VALVE
ALTERnATE
cOnTROL LInE
BLOCK VALVE
OUTLET
hAND VALVE
161 SERIES
PILOT
hAND
VALVE
ALTERnATE
cOnTROL LInE
BLOCK VALVE
OUTLET
hAND
VALVE
hAND
VALVE
ALTERnATE
cOnTROL LInE
BLOCK VALVE
OUTLET
hAND
VALVE
hAND
VALVE
ALTERnATE
cOnTROL LInE
9