VRG CONTROLS LLC.
50 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC.
48 of 54
APRIL 21, 2019
No. VPC
Actuator
Actuator Mode Positioner
Accessory
Discharge
14
VPC-SA-BV-ID (DIR) Spring Diaphragm
Spring Open
-
-
ATM
P2
P1
FLOW
P1
P2
SUPPLY
S
SENSING
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
EX
SUPPLY
OUTPUT ISOLATION VALVE
Model VPC-SA-BV-ID
Direct Acting
OUT
CLOSE
D
“Derivative”
Tank
T
OUTPUT
T
DERIVATIVE ADJUSTMENT
Control Valve w/
Spring Diaphragm
Actuator
(Spring Open)
OPEN
LESS
DEADBAND
MORE
MORE
SENSITIVITY
LESS
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
EX
