VRG CONTROLS LLC. 35 of 60 JUNE 2021
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VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
No. VPC Actuator Actuator Mode Posioner Accessory Discharge
6A VPC-SA-BV-ID (DIR) Spring Piston Spring Open Close INCR VMO ATM
P2
P1
FLOW
P1
P2
OPEN
Control Valve w/
Spring Piston Actuator
Posioner (Spring Open)
SUPPLY
S
SENSING
LESS DEADBAND MORE
MORE SENSITIVITY LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
EX
SUPPLY
OUTPUT ISOLATION VALVE
Close Incr
Posioner
EX SUPPLY
Model VPC-SA-BV-ID
Direct Acng
SIGNAL
CLOSE
D
“Derivave”
Tank
T
OUTPUT
T