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VRG CONTROLS LLC.
29 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC.
27 of 54
APRIL 21, 2019
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
P2
P1
FLOW
P1
P2
OPEN
CLOSE
Control Valve w/
Spring Piston Actuator
(Spring Open)
CLOSE
SUPPLY
Model VPC-SA-BV
Direct Acting
S
SENSING
LESS
DEADBAND
MORE
MORE
SENSITIVITY
LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUTPUT
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
OUT
EX
EX
"
2
/
1
9
B
B
D
D
C
C
SUPPLY
OUTPUT ISOLATION VALVE
No. VPC
Actuator
Actuator Mode Positioner
Accessory
Discharge
3A
VPC-SA-BV (DIR) Spring Piston
Spring Open
-
VMO
ATM
P1
S
P2
C2
C1
V
PLUG
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