Vickers | DG4S4-012A-52-JA
DG4S4-012A-52-JA
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The DG4S4-012A-52-JA valve is built by Vickers within the DG4 Directional Valves series and serves to shift hydraulic flow paths for automated machinery. It relies on solenoid operation so an electrical signal moves the spool without manual input. The single-stage design keeps the response direct and eliminates pilot lines. Spool version 2 establishes its internal porting pattern, while the spring-offset arrangement returns the spool to its normal position when power is removed. An ISO 4401-05 mounting interface aligns the ports with common subplates, and the subplate or manifold mounting style lets the valve drop into modular blocks with minimal plumbing.
With a maximum operating pressure of 3000 psi, the DG4S4-012A-52-JA tolerates high system loads, and a 20 gpm flow limit defines the service capacity for cylinders and motors. The tank port withstands up to 1000 psi so back-pressure does not damage the housing. Petroleum-based hydraulic oils are specified, and Buna-N seals are installed to match that fluid and resist leakage. System cleanliness must be maintained at ISO 4406 class 20/18/15 to protect the precision spool lands. Acceptable fluid temperature extends from 20 °C up to 50 °C, ensuring stable viscosity and seal performance within typical industrial environments.
Technical Specifications
Actuation Type
Solenoid Operated
Fluid Cleanliness
ISO 4406 20/18/15
Fluid Compatibility
Petroleum Oils
Interface
ISO 4401-05
Max Flow
20 gpm
Max Operating Pressure
3000 psi
Mount Type
Subplate/Manifold Mounted
Seal Type
Buna-N
Spool Type
2
Spring Arrangement
Spring Offset
Tank Port Rating
1000 psi
Valve Stage
Single Stage
Working Temp Max
50 C
Working Temp Min
20 C
1620 Old Apex Road
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