Vickers | KFDG4V52C65SZMU1H620
KFDG4V52C65SZMU1H620
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The KFDG4V52C65SZMU1H620 valve belongs to the Proportional Valves series produced by Vickers and is intended for closed-loop hydraulic automation where variable flow control is required. It uses solenoid control, so spool displacement is driven by an electrically energized coil operating at 24 VDC. Both the A and B ports support a rated flow of 65 L/min (17.2 gpm), allowing balanced delivery and return in bidirectional circuits. The design tolerates system pressures up to 315 bar (4500 psi), which enables use in high-duty industrial manifolds. Flow is regulated on the return side because the unit employs a meter-out configuration, giving precise deceleration of cylinders or motors. Installation is simplified by the ISO 4401-05 mounting interface that matches NFPA D05/CETOP 5/NG10 subplates. Electrical power and pilot signals arrive through an ISO 4400 connector fitted with plugs, reducing wiring time in modular cabinets.
For position feedback and improved accuracy, there is a built-in feedback sensor that reports spool movement to external electronics. The valve does not carry on-board electronics, so a separate controller must generate the drive signal and close the control loop. No manual override is available, meaning adjustment can only occur through the commanded solenoid current. To protect internal clearances the hydraulic medium must meet a cleanliness level of 17/15/12, and the wetted parts are compatible with antiwear hydraulic oils and non-alkyl phosphate esters. Overall size is compact for an NG10 body; length measures 335.026 mm (13.190 in), width is 70.104 mm (2.760 in), and height reaches 106.172 mm (4.180 in). These dimensions help designers allocate manifold space while keeping actuator response predictable under the rated conditions.
Technical Specifications
A-port Rated Flow
65 L/min (17.2 gpm)
Actuation Type
Solenoid Controlled
B-port Rated Flow
65 L/min (17.2 gpm)
Coil Voltage
24 VDC
Electrical Connection
ISO 4400 with fitted plugs
Feedback Sensor
Yes
Fluid Cleanliness
17/15/12
Fluid Compatibility
Antiwear hydraulic oils; non-alkyl phosphate esters
Manual Override
None
Maximum Pressure
315 bar (4500 psi)
Metering
Meter Out
Mounting Interface
ISO 4401-05 (NFPA D05/CETOP 5/NG10)
On-board Electronics
No
Product Height
106.172 mm (4.180 in)
Product Length
335.026 mm (13.190 in)
Product Width
70.104 mm (2.760 in)
1620 Old Apex Road
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