VRG CONTROLS LLC.
33 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
No. VPC
Actuator
Actuator Mode
Accessory
Discharge
5A
VPC-SA-BV (REV) Spring Piston
Spring Closed
-
ATM
P2
P1
FLOW
P1
P2
CL
OSE
Control Valve w/
Spring-Piston Actuator
(Spring Closed)
OPEN
SUPPLY
Model VPC-SA-BV
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
Adjustment Tag Line
TEXT
TEXT
TEXT
SCHEMATIC LEGEND
S
QUICK
EXHAUST
S
