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VRG CONTROLS LLC.
54 of 60
JUNE
2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
P2
P1
FLOW
P1
P2
Control Valve w/
Spring Diaphragm Actuator
(Spring Closed)
OPEN
SENSING
LESS
DEADBAND
MORE
MORE
SENSITIVITY
LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
SUPPLY
OUTPUT ISOLATION VALVE
Model VPC-SA-BV-ID
EX
S
OPEN
OUT
SUPPLY
CL
OSE
SETPOINT ADJUSTMENT SCREW
CW - Increase Setpoint
CCW - Decrease Setpoint
SENSING
No. VPC
Actuator
Actuator Mode
Accessory
Discharge
17
VPC-SA-BV (REV) Spring Diaphragm
Spring Closed
-
QUICK EXHAUST ATM
VPC Port ID
Other Port ID
Gage Label
Adjustment Tag Line
TEXT
TEXT
TEXT
SCHEMATIC LEGEND
EX
QUICK
EXHAUST
EXHAUST