VRG CONTROLS LLC. 51 of 60 JUNE 2021
VRG Controls LLC. 49 of 54 APRIL 21, 2019
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
No. VPC Actuator Actuator Mode Posioner Accessory Discharge
14A VPC-SA-BV-ID (DIR) Spring Diaphragm Spring Open - VMO ATM
P2
P1
FLOW
P1
P2
SUPPLY
S
SENSING
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
CLOSE
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
SUPPLY
OUTPUT ISOLATION VALVE
Model VPC-SA-BV-ID
Direct Acng
OUT
CLOSE
D
“Derivave”
Tank
T
OUTPUT
T
DERIVATIVE ADJUSTMENT
Control Valve w/
Spring Diaphragm
Actuator
(Spring Open)
OPEN
LESS DEADBAND MORE
MORE SENSITIVITY LESS
SETPOINT ADJUSTMENT SCREW
CW - Increase Setpoint
CCW - Decrease Setpoint
SENSING
VMO Valve Manual Override
P1
P2 C2
C1
V
S
PLUG
EX