Vickers | KFDG4V32C28SZMU1H620
KFDG4V32C28SZMU1H620
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The KFDG4V32C28SZMU1H620 valve belongs to the Proportional Valves series and is manufactured by Vickers for hydraulic automation tasks that require variable flow control. Its solenoid-controlled actuation shifts the spool in response to commanded current, delivering proportional flow adjustments. The A port flow limit of 28 L/min sets the maximum supply rate to downstream actuators, while the matching 28 L/min rating at the B port supports equal return capacity. Meter-out metering lets the valve throttle outlet flow so cylinders and motors decelerate smoothly under load. A built-in feedback sensor reports spool position to the external controller, enabling closed-loop correction for consistent performance. The 24 V DC coil voltage aligns with standard machine control circuits, and the ISO 4400 electrical connector provides quick disconnect during service.
The valve withstands system pressures up to 350 bar, allowing it to operate in high-pressure circuits common to presses and molding machines. Compatibility with AW oils and non-alkyl phosphate esters broadens fluid selection for users who standardize on zinc-free or fire-resistant media. A cleanliness requirement of 17/15/12 per ISO codes limits particle contamination to maintain spool accuracy and extend service life. The unit mounts on an ISO 4401-03 (CETOP 3) manifold, so it can replace existing size 03 directional elements without modifying the subplate. There is no manual override, which prevents inadvertent actuation during maintenance and keeps the circuit fully electrically commanded. On-board electronics are not included, meaning signal conditioning and drive amplifiers must reside in the control cabinet. Physical dimensions of 270.002 mm in length, 48.006 mm in width, and 87.122 mm in height fit within compact valve stacks where space is limited.
Technical Specifications
A Port Flow
28 L/min
Actuation Type
Solenoid Controlled
B Port Flow
28 L/min
Coil Voltage
24 V DC
Electrical Connection
ISO 4400
Feedback Sensor
Yes
Fluid Cleanliness
17/15/12
Fluid Compatibility
AW Oils, Non-Alkyl Phosphate Esters
Manual Override
None
Maximum Pressure
350 bar
Metering
Meter Out
Mounting Interface
ISO 4401-03 (CETOP 3)
On-board Electronics
No
Product Height
87.122 mm
Product Length
270.002 mm
Product Width
48.006 mm
1620 Old Apex Road
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