Vickers | KBFDG4V32C20NZM1PC7H712
KBFDG4V32C20NZM1PC7H712
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The KBFDG4V32C20NZM1PC7H712 valve is produced by Vickers within the Directional Control Valves series. It directs hydraulic flow for automation circuits by shifting a spool whose center condition keeps all ports closed when no command is present. The unit mounts on an ISO 4401-03 (D03) interface and supports a nominal flow of 20 L/min at a pressure drop of 5 bar, suitable for medium-size actuators. Meter-in and meter-out metering allow controlled acceleration and deceleration of cylinders. Working ports P, A, and B tolerate pressures up to 350 bar, while port T is limited to 160 bar to protect return lines. The electronic section accepts a ±10 V DC command through the M1 input, and the spool begins to shift once the threshold command voltage reaches 0.25 V.
A seven-pin electrical connector provides wiring for power, signals, and a monitor output that returns ±10 V DC on pin F for feedback. The amplifier operates from a 24 V DC power supply and draws a maximum of 3 A during transients; common-mode voltage on the command lines must remain below 18 V. Internal control uses a 10 kHz PWM frequency, delivering a step response from 0 to 100 percent in 17 ms for rapid positioning. The enclosure meets IP65 and IP67 protection classes so the valve can be installed in wet or dusty areas without additional sealing.
Technical Specifications
Center Condition
All Ports Closed
Command Input
±10 V DC (M1)
Common Mode Voltage
18 V (max)
Electrical Connector
7-Pin
Max Pressure Port T
160 bar
Max Pressure Ports P/a/b
350 bar
Max Supply Current
3 A
Metering Type
Meter-In and Meter-Out
Monitor Output (pin F)
±10 V DC
Mounting Interface
ISO 4401-03 (D03)
Nominal Flow Rating
20 L/min (∆p 5 bar)
Power Supply
24 V DC
Protection Class
IP65 and IP67
Pwm Frequency
10 kHz
Step Response 0–100%
17 ms
Threshold Command Voltage
0.25 V
1620 Old Apex Road
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