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The DG4V30CWT10JAS316 valve is part of the DG4 Directional Valves series from Vickers. Designed for hydraulic automation, the solenoid-operated unit shifts flow paths in response to electrical signals. Its open-center spool, identified as type 0, allows pump flow to return to tank when the solenoid is de-energized, keeping standby pressure low. Ports labeled P, A, B, and T provide clearly defined pressure, actuator, and return connections for circuit design. A spring-centered arrangement coded C recenters the spool automatically to neutral once power is removed, helping the system revert to a safe state. The valve mounts on a base conforming to ISO 4401-AB-03-4-A, and its interface matches CETOP 3 / NFPA D03 patterns so it can be swapped with other standard size 03 directional valves. These geometries simplify manifold layout and support rapid replacement during maintenance.
The solenoid is rated for a 100 % duty factor, meaning it may remain energized continuously without overheating in machine cycles that demand constant actuation. Wiring is completed through a terminal block, providing screw-clamp retention for field cables. Hydraulic ports can be pressurized up to 350 bar (5000 psi), allowing the valve to operate in high-pressure industrial circuits. Secure mounting is achieved with M5-0.8-6H bolts, while a 4.00 mm locating pin hole fixes the body precisely on the manifold plate. Proper sealing depends on a mounting surface flatness held to 0.013 mm and a roughness of 1.1 µm, limits that prevent external leakage under peak pressure. The manufacturer specifies oil cleanliness of ISO 4406 19/17/14 or better so spool movement remains free of abrasive contamination.
Duty Factor
100% ED
Electrical Connection
Terminal Block
Filtration Requirement
ISO 4406 19/17/14
Interface Standard
CETOP 3 / NFPA D03
Locating Pin Hole Diameter
4.00 mm
Maximum Pressure (p/a/b)
350 bar (5000 psi)
Mounting Bolt Thread
M5-0.8-6H
Mounting Interface
ISO 4401-AB-03-4-A
Mounting Surface Flatness
0.013 mm
Mounting Surface Roughness
1.1 µm
Operation
Solenoid Operated
Ports
P, A, B, T
Spool Type
0 (Open Center)
Spring Arrangement
C (Spring Centered)
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