Vickers | DG4V3S8CVMFWB561
DG4V3S8CVMFWB561
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The DG4V3S8CVMFWB561 valve belongs to the DG4 Directional Valves series from Vickers and is installed in hydraulic automation to control actuator flow paths. It uses a tandem center spool with open crossover to allow pump flow to return to tank at neutral and to prevent pressure buildup during standby. The valve supports a rated flow of 40 l/min so sizing matches medium capacity circuits. Ports P, A, and B tolerate working pressures up to 350 bar (5000 psi), enabling operation in high pressure systems, while the DC supply keeps coil energization simple. The 30 W solenoid includes Class H insulation to withstand elevated temperatures, and the flying lead connection simplifies field wiring. Continuous duty operation at 100 % ED is permitted as long as the supply voltage stays within 90 % of the nominal value.
The valve mounts on an ISO 4401-AB-03-4-A subplate that follows the CETOP 3 (NFPA D03) pattern, so it can replace standard D03 directional valves without manifold changes. A spring centered return repositions the spool to its neutral state automatically when the solenoid is de-energized. Return port T is limited to 100 bar (1450 psi), a constraint that safeguards the housing against excessive back pressure. Hydraulic cleanliness must be held to ISO 4406 class 19/17/14, reducing wear on the precision-ground spool and sleeve. Electrical terminations accept a 1/2 NPT wiring thread which provides a sealed conduit entry for the leads. The assembled unit weighs 2.2 kg, keeping manifold-mounted equipment light enough for compact machinery.
Technical Specifications
Coil Insulation
Class H
Coil Power
30 W
Coil Type
Flying Leads (F)
Duty Cycle
Continuous (ED=100%)
Fluid Cleanliness
ISO 4406 19/17/14
Interface Pattern
CETOP 3 (NFPA D03)
Minimum Supply Voltage
90% Rated
Mounting Interface
ISO 4401-AB-03-4-A
Port P/a/b Max Pressure
350 bar (5000 psi)
Port T Max Pressure
100 bar (1450 psi)
Rated Flow
40 l/min
Spool Function
Tandem Center (Open Crossover)
Spool/spring
Spring Centered
Supply Type
DC
Weight
2.2 kg
Wiring Thread
1/2 NPT (W)
1620 Old Apex Road
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