Vickers | DG4V-3-0B-MU-B7-30
DG4V 3 0B MU B7 30
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The DG4V 3 0B MU B7 30 valve is produced by Vickers within the DG4 Directional Valves series. It directs hydraulic flow in automated circuits that require an open-center neutral position. A spring-centered spool returns to neutral when power is removed, and the open center design unloads the pump during standby. The valve withstands 350 bar (5000 psi) on the P, A, and B ports, while the tank port tolerates 210 bar (3000 psi). Installation uses a subplate mount matched to the ISO 4401-03, CETOP 3, NFPA D03 interface so the unit can replace standard size-03 valves. An IP67 protection rating guards against dust and water ingress, and the assembly weighs 1.6 kg (3.5 lb) for manageable handling during manifold service.
The electrical section is rated for a 100 % duty cycle, allowing continuous energization without overheating. Coil encapsulation follows Class F requirements, and the insulation system meets Class H limits to extend winding life. The coil consumes 30 W in DC service and connects through an ISO 4400 (DIN 43650) plug, which simplifies field wiring. Reliable actuation is maintained down to 90 % of the nominal supply voltage. Energizing time is 60 ms, and de-energizing time is 40 ms, giving predictable switching for sequence control. These characteristics complete the hydraulic design and provide a balanced solution for machine tools, presses, and material handling systems that need precise directional control.
Technical Specifications
Coil Encapsulation
Class F
Coil Insulation Class
Class H
Coil Power Consumption
30 W (DC)
Coil Type
ISO 4400 (DIN 43650) Mounting
Degree Of Protection
IP67
Duty Cycle
100% ED
Max Pressure (p, A, B)
350 bar (5000 psi)
Max Tank Port Pressure (t)
210 bar (3000 psi)
Minimum Supply Voltage
90% Rated
Mounting Interface
ISO 4401-03 (CETOP 3, NFPA D03)
Mounting Type
Subplate Mount
Response Time (de-energize)
40 ms
Response Time (energize)
60 ms
Spool Arrangement
Spring Centered (Single Solenoid)
Spool Center Function
Open Center
Weight (single Solenoid)
1.6 kg (3.5 lb)
1620 Old Apex Road
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