Vickers | DG4V522AMP7LH630
DG4V522AMP7LH630
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The DG4V522AMP7LH630 valve belongs to the DG4 Directional Valves series and is built by Vickers for hydraulic automation circuits that require precise flow routing. This model provides two functional positions that are shifted by a single solenoid, allowing machinery to alternate between discrete flow paths without complex pilot piping. A wet armature solenoid keeps the magnetic components immersed in oil, which minimizes chatter and extends service life. The coil is rated for 24 VDC, and a steady coil current of 1.58 A generates the magnetic force needed to move the spool under full system pressure. The assembly can repeat this movement up to 240 cycles per minute so it can follow the rapid command sequences common in industrial presses or machine tools. An A-coded spring offset holds the spool in its normal position when the coil is de-energized, while a push-pin manual override lets technicians shift the valve during setup or power loss.
For circuit protection and performance, the valve withstands a working pressure of 31.5 MPa on the service ports, and the T port tolerates back pressure up to 20.6 MPa to prevent return-line surge. It operates with mineral-oil or water-glycol fluids so users can match the medium to lubrication or fire-resistant requirements. The body mounts on an ISO 4401-AC-05-4-A interface, and four M6 bolts 14 mm deep secure the subplate; tightening these bolts to 12–15 N·m maintains gasket compression without thread damage. Electrical hookup is simplified by a plug-in connector with a G1/2 conduit entry, so the valve can be replaced without rewiring. A 7L accessory package adds an indicator lamp to show coil energization and a surge suppressor to limit voltage spikes across the winding. Together these features integrate the DG4V522AMP7LH630 into high-duty hydraulic manifolds while controlling installation effort and component stress.
Technical Specifications
Coil Current (24 Vdc)
1.58 A
Coil Voltage
24 VDC (Code H)
Electrical Accessory
7L (Lamp + Surge Suppressor)
Electrical Wiring
P (Plug-In, G1/2 Conduit)
Hydraulic Fluid
Mineral Oil/Water-Glycol
Manual Override
Push-Pin
Max Switching Frequency
240 Cycles/Min
Max Working Pressure
31.5 MPa
Mounting Bolt Size
4-M6, 14 mm Deep
Mounting Bolt Torque
12–15 N·m
Mounting Interface
ISO 4401-AC-05-4-A
Solenoid Type
Wet Armature
Spool/spring Arrangement
A (Spring Offset)
T Port Max Back Pressure
20.6 MPa
Valve Positions
2 Position (Single Solenoid)
1620 Old Apex Road
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