Vickers | KDG4V3S2C15NMKUH760EN648
KDG4V3S2C15NMKUH760EN648
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The KDG4V3S2C15NMKUH760EN648 proportional valve belongs to the KDG Non-feedback Proportional Valves series from Vickers and serves as a flow-control element in hydraulic automation systems. Actuation is solenoid controlled, so electric current shifts the spool according to command input, and the coil requires 24 V DC, matching typical machine supply rails. A top exit flying lead forms the electrical connection, simplifying panel routing. The valve follows the ISO 4401-03 (NFPA D03/CETOP 3) interface standard and uses the ISO 4401-AB-03-4-A mounting pattern, allowing direct installation on standardized subplates. Its Meter In/Meter Out metering mode regulates flow in both directions of actuator movement. Rated flow is 15 L/min (4 USgpm) for medium-capacity circuits, while maximum operating pressure reaches 350 bar (5000 psi) to accommodate high-load cylinders. Return lines must stay below the 100 bar (1450 psi) tank port limit to protect seals and reduce back pressure.
The dynamic behavior features a −3 dB frequency response of 18 Hz, indicating how quickly the spool can track rapidly changing signals. Hysteresis under PWM drive is 4%, limiting dead-band between increasing and decreasing commands, and repeatability is 1%, providing consistent flow each time the valve is energized. Designers should restrict pressure drop across the body to the 210 bar (3000 psi) maximum recommended value to minimize fluid heating. A plain manual override lets technicians shift the spool mechanically during setup or power loss without altering electrical parameters. Physical characteristics also aid integration: overall length measures 219.456 mm (8.640 in) for compact manifold layouts, and the unit weighs 2.3 kg (5.06 lb), light enough for single-person handling during installation and maintenance.
Technical Specifications
Actuation Type
Solenoid Controlled
Coil Voltage
24 V DC
Electrical Connection
Top Exit Flying Lead
Frequency Response (-3 Db)
18 Hz
Hysteresis (pwm)
4%
Interface Standard
ISO 4401-03 (NFPA D03/CETOP 3)
Manual Override
Plain
Maximum Operating Pressure
350 bar (5000 psi)
Maximum Recommended Pressure Drop
210 bar (3000 psi)
Maximum Tank Port Pressure
100 bar (1450 psi)
Metering Mode
Meter In/Meter Out
Mounting Pattern
ISO 4401-AB-03-4-A
Product Length
219.456 mm (8.640 in)
Rated Flow
15 L/min (4 USgpm)
Repeatability
1%
Weight
2.3 kg (5.06 lb)
1620 Old Apex Road
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