Danfoss DG4V Solenoid Valve for Industrial & Mobile Hydraulic Systems
Reliable hydraulic directional control for cylinders, hydraulic motors and electro-hydraulic systems across industrial and mobile machinery.
Danfoss DG4V Solenoid Directional Valve Overview
The Danfoss DG4V solenoid valve, also known as a Vickers by Danfoss hydraulic directional control valve, is designed to start, stop and redirect hydraulic oil flow within a hydraulic circuit. By energizing the solenoid coil, the internal spool shifts to connect the pressure, actuator and tank ports according to the selected spool configuration.
This makes the DG4V hydraulic solenoid valve suitable for controlling hydraulic cylinders, hydraulic motors and other hydraulic actuators where reliable directional switching is required. The DG4V family includes different sizes, spool arrangements, electrical connections, coil voltages and mounting configurations for different machine designs.
For example, the DG4V-3 high-performance configuration can reach up to 80 L/min and 350 bar, depending on the specific model, spool and coil configuration. The mounting interface follows the ISO 4401 size 03 standard for applicable models. Always confirm the exact model code and technical data before replacement or system integration.
How Does a DG4V Hydraulic Solenoid Valve Work?
Electrical Signal
The machine controller sends an electrical signal to the selected solenoid coil.
Spool Movement
The energized solenoid shifts the valve spool according to the selected spool arrangement.
Flow Direction
Hydraulic oil is directed between the pump, actuator and tank ports to perform the required machine movement.
Actuator Control
The hydraulic cylinder or motor responds to the selected flow path, allowing lifting, lowering, extending, retracting or rotation.
Key Features of Danfoss DG4V Valve
Selected DG4V-3 configurations are available for hydraulic systems up to 350 bar.
Different spool arrangements allow engineers to configure the required hydraulic flow path.
Depending on the model, coil voltage, connector and electrical configuration can be selected for different machine controls.
Subplate and manifold mounting options help integrate the DG4V into compact hydraulic power units and valve assemblies.
Danfoss documentation highlights extensive endurance testing for applicable DG4V configurations.
DG4V configurations cover both industrial hydraulic equipment and demanding mobile machinery.
Application Industries for Danfoss DG4V Hydraulic Valves
CNC machine tools, machining centers, drilling machines, grinding machines and hydraulic clamping systems.
Steel processing machinery, metal forming equipment, rolling equipment and hydraulic positioning systems.
Hydraulic presses, forming presses, stamping equipment and industrial pressing systems.
Injection molding machines, plastic processing systems and hydraulic actuator control circuits.
Agricultural tractors, harvesting machinery, loaders, implements and hydraulic attachment systems.
Forestry loaders, timber handling machines, log processing equipment and hydraulic attachments.
Forklift-related hydraulic systems, lifting equipment, material handling machinery and hydraulic manipulators.
Scissor lifts, boom lifts and other hydraulic lifting platforms requiring directional control.
Marine hydraulic systems, deck machinery, winches and offshore hydraulic equipment.
Hydraulic positioning, clamping and actuator control in paper processing equipment.
Sawmill equipment, wood processing machines and hydraulic material positioning systems.
Hydraulic test benches, simulation systems and equipment used for actuator and component testing.
Equipment Using DG4V Solenoid Directional Valves
The application of a DG4V hydraulic directional valve is not limited to one machine type. In a typical hydraulic circuit, the valve can control the extension and retraction of hydraulic cylinders or the operating direction of hydraulic motors.
| Equipment | Typical Hydraulic Function | DG4V Application |
|---|---|---|
| Hydraulic Press | Cylinder extension and return | Directional switching |
| Injection Molding Machine | Hydraulic actuator movement | Start/stop and flow direction |
| Agricultural Tractor | Attachment lifting and lowering | Cylinder directional control |
| Aerial Work Platform | Lift and actuator movement | Electro-hydraulic direction control |
| Forestry Machinery | Boom, clamp and attachment control | Hydraulic actuator switching |
| Material Handling Equipment | Lifting and positioning | Cylinder control |
| Machine Tools | Clamping and positioning | Fast directional switching |
| Hydraulic Test Bench | Actuator and circuit testing | Controlled flow routing |
DG4V for Mobile Machinery
Mobile equipment often requires compact hydraulic components capable of handling vibration, environmental exposure and frequent directional switching. Danfoss offers DG4V mobile configurations such as the DG4V-3M and DG4V-5M for applications including agricultural machinery, forestry equipment, aerial work platforms and material handling equipment.
For mobile hydraulic applications, connector selection, coil voltage, sealing material, pressure, flow rate and environmental protection should be matched to the machine's operating conditions.
DG4V for Industrial Machinery
In industrial hydraulic systems, DG4V directional control valves can be integrated into machine tool circuits, presses, plastic machinery, metal processing equipment, test equipment and hydraulic power units.
Subplate and manifold mounting makes the valve suitable for compact hydraulic assemblies where multiple valves and control components must be installed in a centralized hydraulic manifold.
Example: DG4V Valve in a Hydraulic Lifting System
Consider a mobile lifting machine equipped with a hydraulic cylinder. The hydraulic pump continuously supplies pressurized oil to the hydraulic circuit, while the machine controller determines whether the cylinder should extend, retract or remain stopped.
Supplies pressurized hydraulic oil.
Selects the required hydraulic flow direction.
Converts hydraulic energy into linear movement.
Sends the electrical command to the solenoid coil.
When the lifting command is activated, the appropriate DG4V solenoid is energized and the spool shifts to establish the required flow path. Hydraulic oil then enters the cylinder chamber and generates the required lifting movement. When the operator commands the opposite direction, the valve changes the flow path so the cylinder can retract.
This same control principle can be adapted to agricultural machinery, forestry equipment, hydraulic presses, material handling systems and many other machines that require reliable electro-hydraulic directional control.
How to Select the Right Danfoss DG4V Valve?
For replacement, maintenance or new hydraulic system design, buyers should not select a DG4V solenoid valve only by appearance. The complete model code and hydraulic circuit requirements should be checked.
- Check valve size: confirm the required NG6/D03 or other applicable configuration.
- Check maximum pressure: compare system pressure with the valve's rated pressure.
- Check flow rate: select a valve that can handle the required hydraulic flow.
- Check spool configuration: match the spool function with the required actuator movement.
- Check coil voltage: confirm AC/DC voltage and electrical control requirements.
- Check connector: DIN, Deutsch, AMP or other connector configurations may be available depending on the series.
- Check seals and hydraulic fluid: verify compatibility with the hydraulic oil or other approved fluid.
- Check mounting interface: confirm ISO 4401, subplate and manifold requirements before ordering.
Frequently Asked Questions About Danfoss DG4V
The Danfoss DG4V is a solenoid-operated hydraulic directional control valve used to start, stop and redirect hydraulic oil flow in hydraulic systems.
It is commonly used for directional control of hydraulic cylinders and hydraulic motors in industrial and mobile equipment.
Applications include machine tools, hydraulic presses, plastics, metal processing, agriculture, forestry, material handling, marine and offshore equipment, pulp and paper, wood processing and hydraulic testing systems.
Yes. Danfoss provides DG4V mobile configurations for applications such as agricultural machinery, forestry equipment, aerial work platforms and material handling equipment.
Certain DG4V-3 configurations are rated up to 350 bar (5,000 psi). The exact rating must be confirmed from the complete model code and manufacturer's technical data.
Providing the complete valve model code, spool type, coil voltage, connector, pressure, flow requirement and photos of the existing nameplate can help suppliers identify the correct replacement.
Danfoss DG4V Hydraulic Valve Solutions
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