Vickers | DG4V32CMWB40
DG4V32CMWB40
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The DG4V32CMWB40 directional valve belongs to the DG4 Directional Valves series and is manufactured by Vickers for hydraulic automation circuits that require precise flow control. It incorporates a type 2 closed-center spool that blocks all ports in the neutral position, and a spring-centered C arrangement returns the spool automatically when the solenoid is de-energized. Operating pressure at ports P, A, and B is permitted up to 350 bar (5000 psi), supporting high-pressure machine tools and presses. The valve mounts on a CETOP 3 (NFPA D03) pattern, and its ISO 4401-AB-03-4-A interface aligns with standard subplates. Correct installation depends on a mounting surface flatness of 0.013 mm and a surface smoothness of 1.1 µm to prevent external leakage. A 4.00 mm locating pin hole secures positional accuracy during assembly.
The solenoid uses Class H winding to withstand elevated temperatures, while Class F encapsulation shields the coil from moisture and vibration. Continuous duty at 100 percent ED allows the valve to remain energized without overheating during extended machine cycles. An IP67 housing achieved through the ISO 4400 plug protects the enclosure from dust ingress and temporary water immersion. Reliable actuation is maintained when the supply voltage stays at or above 90 percent of the rated value. The 2C spool energizes in 60 ms and de-energizes in 40 ms, providing predictable switching for closed-loop hydraulic controls. System oil must meet ISO 19/17/14 cleanliness to avoid spool sticking and premature wear.
Technical Specifications
Coil Encapsulation Class
Class F
Coil Winding Class
Class H
Duty Cycle
Continuous (ED 100%)
Enclosure Protection
IP67 (ISO 4400 Plug)
Fluid Cleanliness Code
ISO 19/17/14
Locating Pin Hole Diameter
4.00 mm
Max Pressure (p/a/b Ports)
350 bar (5000 psi)
Minimum Supply Voltage
90% Rated
Mounting Interface
ISO 4401-AB-03-4-A
Mounting Standard
CETOP 3 (NFPA D03)
Mounting Surface Flatness
0.013 mm
Mounting Surface Smoothness
1.1 µm
Response Time De-energize
40 ms (2C Spool)
Response Time Energize
60 ms (2C Spool)
Spool Arrangement
C (Spring Centered)
Spool Type
2 (Closed Center All Ports)
1620 Old Apex Road
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