Vickers | KDG4V3S33C08AMKUHA560EN616
KDG4V3S33C08AMKUHA560EN616
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The KDG4V3S33C08AMKUHA560EN616 proportional valve belongs to the KDG Non-feedback Proportional Valves series from Vickers and is intended to modulate hydraulic flow in automated machinery. Solenoid-controlled actuation moves the spool, while a 24 VDC coil supplies the magnetic force needed for precise positioning. A top-exit flying lead carries power and control signals, reducing bend radius requirements in tight manifolds. The valve operates in a meter-in configuration that governs inflow to the service ports, delivering a rated port flow of 8.00 L/min for accurate cylinder speed control. It tolerates up to 350 bar (5000 psi) so it can be installed on high-pressure lines without derating. The ISO 4401-03 / NFPA D03 / CETOP 3 (NG06) mounting interface matches common subplates, and a plain manual override permits direct spool shifting during setup or power loss. Overall dimensions of 219.456 mm in length and 45.974 mm in width help engineers allocate manifold space and ensure proper bolt clearance.
The design omits on-board electronics, requiring an external driver card to generate the proportional current signal. Reverse flow check protection is not integrated, so separate check valves must be added when backflow prevention is necessary. Viton seals provide chemical resistance to AW oils and non-alkyl phosphate esters, the media specified as compatible with this model. To avoid premature wear, circulating fluid should meet a cleanliness code of 17/15/12, limiting particulate contamination that could score the spool landings. A height of 90.932 mm defines the vertical envelope and assists with enclosure layout beneath machine guards. These characteristics combine to offer a compact, externally driven proportional valve that integrates into standardized mounting patterns while maintaining serviceability and fluid compatibility in demanding hydraulic automation tasks.
Technical Specifications
Actuation Type
Solenoid Controlled
Coil Voltage
24 VDC
Electrical Connection
Top Exit Flying Lead
Fluid Cleanliness Code
17/15/12
Fluid Compatibility
AW Oils; Non-Alkyl Phosphate Esters
Height
90.932 mm
Length
219.456 mm
Manual Override
Plain
Maximum Operating Pressure
350 bar (5000 psi)
Metering Configuration
Meter In
Mounting Interface
ISO 4401-03/NFPA D03/CETOP 3 (NG06)
On-board Electronics
No
Rated Port Flow (a/b)
8.00 L/min
Reverse Flow Check
No
Seal Material
Viton
Width
45.974 mm
1620 Old Apex Road
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