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The DG4V3S2AMFWH560 valve belongs to the DG4 Directional Valves series produced by Vickers and is intended for hydraulic automation where directional control is required. It shifts a closed-center spool type 2 held in a spring-offset arrangement A, directing flow without continuous leakage. The body tolerates working pressures of 350 bar on the pressure and work ports and 100 bar on the tank port, while a maximum flow of 40 l/min (10.5 US gpm) passes through the cavities under rated conditions. Installation uses the ISO 4401-AB-03-4-A (CETOP 3) mounting interface for quick replacement on size 03 subplates. Electrical energy is supplied by a 30 W solenoid rated at 24 V DC, and Class H coil insulation maintains reliability under elevated temperatures during a 100 % duty cycle.
Control leads exit the coil as flying conductors, and a 1/2-inch NPT wiring thread accepts standard conduit fittings to guard against moisture. A water-resistant manual override lets technicians shift the spool mechanically during commissioning or when power is unavailable. The assembly energizes in 60 ms and returns to its spring-offset position in 40 ms when tested at 20 l/min and 175 bar, supporting predictable sequencing in automated machinery. Hydraulic fluid must meet ISO 4406 code 19/17/14 cleanliness to prevent spool sticking and premature wear. These characteristics ensure stable performance when the valve is integrated into high-pressure circuits that demand accurate, repeatable directional control.
Cleanliness Requirement
ISO 4406 Code 19/17/14
Coil Type
Flying Leads (F)
Coil Voltage
24 VDC (H)
Coil Winding Insulation
Class H
Duty Cycle
100% ED
Manual Override
Water-Resistant (H)
Max Flow Rate
40 l/min (10.5 USgpm)
Max Tank Port Pressure
100 bar (1450 psi)
Max Working Pressure (p/a/b)
350 bar (5000 psi)
Mounting Interface
ISO 4401-AB-03-4-A (CETOP 3)
Response Time (de-energize)
40 ms (20 l/min, 175 bar)
Response Time (energize)
60 ms (20 l/min, 175 bar)
Solenoid Power
30 W
Spool Arrangement
A (Spring Offset)
Spool Type
2 (Closed Center)
Wiring Thread
1/2 in NPT (W)
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