Vickers | KFDG4V-3-2C0N-Z-M-U1-H7-20
KFDG4V-3-2C0N-Z-M-U1-H7-20
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The KFDG4V-3-2C0N-Z-M-U1-H7-20 valve belongs to the Directional Control Valves series produced by Vickers for electrically operated hydraulic automation. It mounts on an ISO 4401-03 (ANSI/B93.7M-D03) interface, and its spool defaults to an all-ports-closed position to block flow when de-energized. Meter-in and meter-out metering provide balanced flow regulation, while the pressure and service ports withstand up to 350 bar (5000 psi) and the tank port is limited to 160 bar (2300 psi). The unit accepts hydraulic fluid viscosities from 13 to 500 cSt and oil temperatures up to 60 °C. A 0–100 percent step response of 18 ms delivers quick directional changes, and hysteresis stays below 1 percent of maximum stroke to keep displacement repeatable.
A coil resistance of 1.87 Ω at 20 °C works with a maximum coil current of 2.7 A at 50 °C, and the winding is rated for a 100 percent duty cycle so it can remain energized continuously. Environmental sealing to IP65 protects the solenoid against dust and water jets, and the assembly operates in ambient air temperatures up to 60 °C. Electrical connection is made through an ISO 4400/DIN 43650 plug, and the Z designation indicates there is no manual override. Together, these electrical and protection features support reliable valve control in unattended hydraulic circuits.
Technical Specifications
Coil Resistance
1.87 Ω (20°C)
Duty Cycle
100% ED
Hysteresis
<1% of max stroke
Interface
ISO 4401-03 (ANSI/B93.7M-D03)
Manual Override
None (Z)
Max Ambient Air Temperature
60°C
Max Coil Current
2.7 A (50°C)
Max Oil Temperature
60°C
Max Pressure (p, A, B)
350 bar (5000 psi)
Max Pressure (t)
160 bar (2300 psi)
Metering Type
Meter-In And Meter-Out (N)
Operating Viscosity Range
13 to 500 cSt
Protection
IP65
Solenoid Connector
ISO 4400/DIN 43650 (U1)
Spool Center Condition
All Ports Closed (Type 2)
Step Response (0–100%)
18 ms
1620 Old Apex Road
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