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VRG CONTROLS LLC.
31 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC.
28 of 54
APRIL 21, 2019
No. VPC
Actuator
Actuator Mode Positioner
Accessory
Discharge
4
VPC-SA-BV (REV) Spring Piston
Spring Closed
-
-
ATM
P2
P1
FLOW
P1
P2
CL
OSE
OPEN
Control Valve w/
Spring-Piston Actuator
(Spring Closed)
OPEN
SUPPLY
Model VPC-SA-BV
Reverse Acting
S
SENSING
LESS
DEADBAND
MORE
MORE
SENSITIVITY
LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OPEN
OUT
S
EX
SENSITIVITY-DEADBAND ADJUSTMENT
+
EX
SUPPLY
OUTPUT ISOLATION VALVE
EX
S
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
SUPPLY
VRG Controls LLC.
29 of 54
APRIL 21, 2019
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
No. VPC
Actuator
Actuator Mode Positioner
Accessory
Discharge
4A
VPC-SA-BV (REV) Spring Piston
Spring Closed
-
VMO
ATM
P2
P1
FLOW
P1
P2
CL
OSE
OPEN
Control Valve w/
Spring-Piston Actuator
(Spring Closed)
OPEN
SUPPLY
Model VPC-SA-BV
Reverse Acting
SENSING
LESS
DEADBAND
MORE
MORE
SENSITIVITY
LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OPEN
SENSING
SENSING
OUT
S
EX
SENSITIVITY-DEADBAND ADJUSTMENT
+
OUT
EX
SUPPLY
OUTPUT ISOLATION VALVE
EX
S
"
2
/
1
9
B
B
D
D
C
C
P1
P2
C2
C1
V
PLUG
S
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
S
S