VRG CONTROLS LLC.
51 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC.
49 of 54
APRIL 21, 2019
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
No. VPC
Actuator
Actuator Mode Positioner
Accessory
Discharge
14A
VPC-SA-BV-ID (DIR) Spring Diaphragm
Spring Open
-
VMO
ATM
P2
P1
FLOW
P1
P2
SUPPLY
S
SENSING
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
CLOSE
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
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
VMO Valve Manual Override
P1
P2
C2
C1
V
S
PLUG
EX
"
2
/
1
9
B
B
D
D
C
C
VPC Port ID
Other Port ID
Gage Label
Pneumatic Connection
Adjustment Tag Line
TEXT
TEXT
TEXT
SCHEMATIC LEGEND
EX
EX
S
