VRG CONTROLS LLC. 46 of 60 JUNE 2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC. 44 of 54 APRIL 21, 2019
No. VPC Actuator Actuator Mode Posioner Accessory Discharge
12 VPC-SA-BV-ID (DIR) Spring Diaphragm Spring Open - BOOSTER ATM
P2
P1
FLOW
P1
P2
SUPPLY
S
SENSING
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
SUPPLY
OUTPUT ISOLATION VALVE
Model VPC-SA-BV-ID
Direct Acng
OUT
D
“Derivave”
Tank
T
T
DERIVATIVE ADJUSTMENT
OPEN
LESS DEADBAND MORE
MORE SENSITIVITY LESS
SETPOINT ADJUSTMENT SCREW
CW - Increase Setpoint
CCW - Decrease Setpoint
SENSING
Control Valve w/
Spring Diaphragm
Actuator (Spring Open)
IN
OUT
EX
EX
Volume
Booster
VPC Port ID
Other Port ID
Gage Label
Pneumac Connecon
Adjustment Tag Line
TEXT
TEXT
TEXT
SCHEMATIC LEGEND
EX