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The DG4V30APLT10JAS310 directional valve is produced by Vickers within the DG4 Directional Valves series. It shifts hydraulic flow paths to actuate cylinders or motors in automated circuits. The coil encapsulation is rated Class F to withstand the heat generated during continuous operation, while the internal winding uses Class H insulation to tolerate even higher temperatures under peak load. The duty factor is specified as 100% ED, meaning the solenoid can be energized continuously without thermal cycling limits. The valve supports a minimum supply voltage equal to 90% of the rated value so that system performance remains stable during minor voltage drops. Its maximum working pressure of 350 bar on ports P, A, and B allows use in high-pressure industrial machinery, and a peak flow capacity of 40 l/min lets the component handle moderate actuator speeds without excessive pressure loss.
Installation aligns with the ISO 4401-AB-03-4-A interface, and the overall mounting pattern follows CETOP 3 (NFPA D03) to match common subplates in hydraulic manifolds. A restrictor plug can be fitted in an M5 × 0.8-6H threaded hole to fine-tune pilot flow and control spool shift speed. When the valve is fastened to a gray iron subplate, the port diameter should not exceed 6.5 mm, whereas steel subplates may use ports up to 7.0 mm to exploit the stronger material. The assembly weighs 2.2 kg when equipped with two solenoids and 1.6 kg in the single-solenoid version, allowing designers to predict manifold support requirements and panel load limits.
Coil Encapsulation Class
Class F
Coil Winding Class
Class H
Duty Factor
100% ED
Max Flow
40 l/min
Max Working Pressure (p/a/b)
350 bar
Minimum Supply Voltage
90% rated
Mounting Interface
ISO 4401-AB-03-4-A
Mounting Standard
CETOP 3 (NFPA D03)
Restrictor Plug Thread
M5 x 0.8-6H
Subplate Port Max Dia (gray Iron)
6.5 mm
Subplate Port Max Dia (steel)
7.0 mm
Weight (double Solenoid)
2.2 kg
Weight (single Solenoid)
1.6 kg
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