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VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
No. VPC Actuator Actuator Mode Posioner Accessory Discharge
9A VPC-SA-BV-ID (REV) Spring Piston Spring Closed - BOOSTER +VMO ATM
LESS DEADBAND MORE
MORE SENSITIVITY LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
SUPPLY
OUTPUT ISOLATION VALVE
T
DERIVATIVE ADJUSTMENT
SETPOINT ADJUSTMENT SCREW
CW - Increase Setpoint
CCW - Decrease Setpoint
SENSING
P2
P1
FLOW
P1
P2
CLOSE
S
SENSING
Model VPC-SA-BV-ID
Reverse Acng
EX
D
“Derivave”
Tank
T
OUT
Volume
Booster
OUTPUT
SUPPLY