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The KDG4V3S2C19NMUH560 valve belongs to the KDG Non-feedback Proportional Valves series and is produced by Vickers. It regulates hydraulic flow and pressure in automated circuits using a solenoid-controlled spool that is spring centered when de-energized. The unit mounts on an ISO 4401-03 / NFPA D03 / CETOP 3 sub-plate, and its meter-in / meter-out characteristic allows bidirectional throttling. At ports A and B it delivers a rated flow of 19 L/min while holding up to 350 bar, and the T port can withstand 100 bar. Operation is driven by a 24 V DC coil that may draw as much as 1.6 A at 50 °C to shift the spool.
The electromagnetic circuit presents a coil resistance of 7.3 Ω and an inductance of 29 mH, permitting full power operation at a 100 % duty cycle without overheating. Wiring is completed through an ISO 4400 (DIN 43650) connector, and the housing carries an IP65 rating so the valve resists dust ingress and water jets when properly mated. A plain manual override lets maintenance staff shift the spool during commissioning or power loss. Fluid entering the valve must meet a cleanliness level of 17/15/12 to prevent wear and assure metering accuracy. Together these electrical and mechanical features sustain proportional control reliability in hydraulic automation.
Actuation Type
Solenoid Controlled
Centering
Spring Centered
Coil Inductance (h Coil)
29 mH
Coil Resistance (h Coil)
7.3 Ohms
Coil Voltage
24 V DC
Duty Cycle
100% (ED)
Electrical Connection
ISO 4400 (DIN 43650) connector
Enclosure Rating
IP65
Fluid Cleanliness Code
17/15/12
Interface
ISO 4401-03/NFPA D03/CETOP 3
Manual Override
Plain
Max Coil Current (h Coil, 50 C)
1.6 A
Max Operating Pressure (p/a/b)
350 bar
Max Tank Line Pressure (t Port)
100 bar
Metering
Meter In / Meter Out
Rated Port Flow (a/b)
19 L/min
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