FO SLEEVE
+STEM
956 MFO
EZH SO
AXIAL FLOW
FC AXIAL FLOW
935 FC
FL
512
1970' New design because of the need to :

Reduce the cost by reducing the number of parts Reduce the cost of maintenance by reducing the time needed.
Pm close P2
ANSI 300/600 Class
TYPE OF PRESSURE REGULATOR
+STEM
TORMENE AM
EMERSON (Tartarini / Fisher)
RMG
TOP ENTRY
FC SLEEVE
956 FC EZH
ANSI 300/600 Class
TYPE OF PRESSURE REGULATOR TORMENE AM EMERSON (Tartarini / Fisher) RMG
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 open
Pm close P2
PILOTED gas pressure regulator Two Path Control System (Loading)
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 open
Pm close P2
PILOTED gas pressure regulator Two Path Control System (Loading)
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 open Closed position
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 close
Pm open P2
PILOTED gas pressure regulator Unloading system
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION Closed position P1 close


Reduce the noise level of the pressure reducing operation.
1970' New design
DIAPHRAGM
GRID AREA
1970' New design because of the need to :

Reduce the cost by reducing the number of parts Reduce the cost of maintenance by reducing the time needed.
2012 AUGUST 24th CHENGDU CHINA
2012 INTERNATIONAL GAS REGULATION CONFERENCE
PRINCIPLES OF PILOTED REGULATORS
SELF OPERATED gas pressure regulator
Inlet Pressure Controled LOTED gas pressure regulator Unloading system
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 close
Pm open P2
PILOTED gas pressure regulator Unloading system
Pm open P2
PILOTED gas pressure regulator Unloading system
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 close
Pm open P2
ANSI 300/600 Class


Reduce the noise level of the pressure reducing operation.
PILOTED gas pressure regulator Unloading system
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 close
TYPE OF PRESSURE REGULATOR TORMENE AM EMERSON (Tartarini / Fisher) RMG
TOP ENTRY
FO DIAPHRAGM
956 DFO
EZR
503
AXIAL FLOW
Q max available According AC
Physical Qmax
PILOTED gas pressure regulator
P2
AC : Accuracy range accepted
Set Point
Q max available According AC
Physical Qmax
PILOTED gas pressure regulator Two Path Control System (Loading)
P1 : Inlet Pressure P2 :Controled Pressure Pm : MOTORIZATION P1 open
Pm close P2
PILOTED gas pressure regulator Two Path Control System (Loading)
SELF OPERATED gas pressure regulator
P1 : Inlet Pressure P2 :Controled Pressure
P2
SELF OPERATED gas pressure regulator
P2
AC : Accuracy range accepted
Set Point