Directional control valves are critical and they come in many forms. A valve's flow-directing elements may be spools, poppets or plungers. Designs for the valve operators, which produce the force to move the valve, are migrating from manual systems to electro-hydraulic systems. The latter allows the operator to interface with the hydraulic system at a distance. If still more room is required for improved safety or efficiency, directional control valves are operated via radio control.
Trends for Directional s
Anthony J. Welter is product manager, global lead for mobile valve at Eaton's Hydraulics Operations in Eden Prairie, MN. He sees four major trends in directional controls:
1. Electro-hydraulic control:-
Customers are going from manual or hydraulic pilot control to electro-hydraulics. CAN bus control is also a high priority for many of our customers as it reduces the amount of wiring and provides a communication channel for diagnostics. The electro-hydraulic migration has enabled enhanced functionality improving control and productivity, while reducing operator fatigue.
2. Reduced parasitic losses:-
The wider adoption and advancement of closed-center load sense systems has improved the efficiency of the hydraulic system which results in reduced fuel consumption. In addition, better analytic tools like computational fluid dynamics (CFD) and control modeling tools have enabled engineers to develop more efficient solutions that reduce throttling losses around meter surfaces and provide for better overall control.
3. Increased performance:-
Whether it's increased response, fine implement control, or overall stability, vehicle manufactures are demanding these features to help differentiate their vehicles over their competition.
4. Flexibility:-
Manufacturers are developing more customized machines focused on specific markets and are launching new products faster. These factors require greater flexibility to tune performance or quickly apply the valves into customized solutions.
Directional Control Valve Features
1. Directional control valve is compact construction and low pressure drop.
2. Directional control valve is long service life and high efficiency.
3. Depend on your requirement can choose various operation methods of control valves, such as manual, pneumatic, hydraulic, and electro-hydraulic control.
4. Depend on your requirement can choose various ports and circuit valves.
5. The directional control valve is spring return.
6. High accuracy spool is hardened for long term accuracy.
7. The valve is sub-plate mounting.
8. Directional control valve can use handle shift operation.
Trends for Directional s
Anthony J. Welter is product manager, global lead for mobile valve at Eaton's Hydraulics Operations in Eden Prairie, MN. He sees four major trends in directional controls:
1. Electro-hydraulic control:-
Customers are going from manual or hydraulic pilot control to electro-hydraulics. CAN bus control is also a high priority for many of our customers as it reduces the amount of wiring and provides a communication channel for diagnostics. The electro-hydraulic migration has enabled enhanced functionality improving control and productivity, while reducing operator fatigue.
2. Reduced parasitic losses:-
The wider adoption and advancement of closed-center load sense systems has improved the efficiency of the hydraulic system which results in reduced fuel consumption. In addition, better analytic tools like computational fluid dynamics (CFD) and control modeling tools have enabled engineers to develop more efficient solutions that reduce throttling losses around meter surfaces and provide for better overall control.
3. Increased performance:-
Whether it's increased response, fine implement control, or overall stability, vehicle manufactures are demanding these features to help differentiate their vehicles over their competition.
4. Flexibility:-
Manufacturers are developing more customized machines focused on specific markets and are launching new products faster. These factors require greater flexibility to tune performance or quickly apply the valves into customized solutions.
Directional Control Valve Features
1. Directional control valve is compact construction and low pressure drop.
2. Directional control valve is long service life and high efficiency.
3. Depend on your requirement can choose various operation methods of control valves, such as manual, pneumatic, hydraulic, and electro-hydraulic control.
4. Depend on your requirement can choose various ports and circuit valves.
5. The directional control valve is spring return.
6. High accuracy spool is hardened for long term accuracy.
7. The valve is sub-plate mounting.
8. Directional control valve can use handle shift operation.
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