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VRG CONTROLS LLC.
38 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC.
36 of 54
APRIL 21, 2019
No. VPC
Actuator
Actuator Mode Positioner
Accessory
Discharge
8
VPC-SA-BV-ID (DIR) Spring Piston
Spring Open
-
BOOSTER
ATM
P2
P1
FLOW
P1
P2
OPEN
Control Valve w/
Spring Piston Actuator
Positioner
(Spring Open)
SUPPLY
SENSING
LESS
DEADBAND
MORE
MORE
SENSITIVITY
LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
CLOSE
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
SUPPLY
OUTPUT ISOLATION VALVE
EX
Model VPC-SA-BV-ID
Direct Acting
OUT
SIGNAL
CLOSE
D
“Derivative”
Tank
T
T
Volume
Booster
EX
OUT
EX
S
OUT
DERIVATIVE ADJUSTMENT
SETPOINT ADJUSTMENT SCREW
CW - Increase Setpoint
CCW - Decrease Setpoint
SENSING
VPC Port ID
Other Port ID
Gage Label
Pneumatic Connection
Adjustment Tag Line
TEXT
TEXT
TEXT
SCHEMATIC LEGEND