| Customization: | Available |
|---|---|
| Function: | Balance, Pressure Regulating |
| Installation: | Plate |
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Eaton Orbital Motor Control valves serve a very important role in hydraulic system applications because they are used to "counterbalance" the weight of the load to control it when lowering, and can also be used to trap fluid to hold a load indefinitely. These valves are particularly important in safety applications where the uncontrolled movement of the load could cause injury or death.
Eaton Orbital Motor Control valves are employed to control the stop and the motion of one direction of an actuator (single counterbalance valves) or both the directions (dual counterbalance valves).
- load lowering control: the lowering of the load is possible only if there is a pilot pressure from the other line; this operation ensures the oil supply of the cylinder preventing cavitation problems;
- containing of the pressure at the setting value, pressure relief for any pressure peaks caused by shocks or overloads; - arrest of the flow (and of the load) when the pump is not working or the directional valve is in neutral position;
- free flow for load lifting, with reduced pressure drops;
They consist of a body where are placed:
- check valve: it allows the flow in only one direction;
- pilot piston: it permits to control the gradual opening of the relief valve;
- relief valve: it permits to limit the maximum pressure in the actuator, it withholds the load and controls its lowering during the opening of the valve by the pilot signal.
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