17 | GE Oil & Gas
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Example Application #3
Power Plant Station with Globe Style Control Valve
and Globe Trim Valve
(4”, 6”, 8” and 10” Size)
VRP-SB-PD-40
DIRECT ACTING
MONITOR REGULATOR
SPRING TO CLOSE GLOBE VALVE
TO POWER
PLANT
VRP-SB-PID-125
REVERSE ACTING
MONITOR REGULATOR
SPRING TO CLOSE BALL VALVE
WORKING REGULATOR
SPRING TO OPEN GLOBE VALVE
WORKING REGULATOR
SPRING TO OPEN GLOBE VALVE
DEAD BAND = 0
INTEGRAL
CLOSED
DEAD BAND = -1/4
DEAD BAND = -1/4
INTEGRAL= 7
VRP-SB-PID-40
REVERSE ACTING
INTEGRAL=12
HIGH GAIN
(SMALL RINGS)
VRP-SB-PID-40
DIRECT ACTING
DERIVATIVE
S=2
DERIVATIVE
S=3
INTEGRAL=12
DERIVATIVE
HIGH GAIN
(SMALL RINGS)
DERIVATIVE
FLOW
VB-250
VOLUME
BOOSTER
HIGH GAIN
(SMALL RINGS)
HIGH GAIN
(SMALL RINGS)
DEAD BAND = +1/2
KEY
(1)
(1)
ALL LINES ARE SEPARATE, INTERSECTING LINES DO NOT IMPLY CONNECTIONS
POWER GAS LINE
OUTPUT LINE
SENSING LINE
TRIM RUN
CONTROL RUN
Recommended Applications:
A. High differential pressure 500-1000 psig with tight noise
requirements
B. Pipeline Heater and Filter recommended