VRG CONTROLS LLC. 38 of 60 JUNE 2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC. 36 of 54 APRIL 21, 2019
No. VPC Actuator Actuator Mode Posioner 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
Posioner
(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 Acng
OUT
SIGNAL
CLOSE
D
“Derivave”
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
Pneumac Connecon
Adjustment Tag Line
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SCHEMATIC LEGEND