Directional valve maintenance


The directional valve is a relatively delicate instrument, which also plays a very important role in the hydraulic system, once the failure occurs, it will cause the stability of the whole system, so what should we do for the directional valve maintenance?

Before repairing the directional valve, it is first necessary to determine whether there is a fault, and the common directional valve faults include the following:

1. Pressure imbalance, unstable system pressure, affecting normal operation.

2. The action is slow, and the response speed of the valve is reduced, resulting in a decrease in system efficiency.

3. The leakage is serious and the amount of oil leakage is large, which not only causes waste of energy, but also may cause safety accidents.

Repair steps for directional valves.

1. Prepare the required tools and materials, such as wrenches, screwdrivers, cleaning agents, seals, etc.

2. Disassemble, disassemble the valve step by step according to the disassembly steps of the directional valve, and carefully record the position and sequence of each component to avoid errors in assembly.

3. Inspection, check whether each part is worn, corroded or damaged, and replace the corresponding parts in time if there is a problem.

4. Cleaning, use cleaning agent to remove the oil and impurities of each part to ensure the finish of the parts.

5. Assemble the parts together in the correct order, pay attention to the strength when installing the seals, and avoid excessive compression or loosening.

6. Debugging, on-site debugging after the assembly is completed, observe whether the valve action is normal, whether the pressure system is stable, and continue to adjust if there is a problem.

Precautions, the following matters need to be paid attention to during the maintenance process:

1. When maintaining, handle it gently to avoid bumps and falls.

2. When replacing parts, use original parts or parts of equivalent quality.

3. When cleaning the valve body, pay attention to avoid residual impurities and cleaning agents, so as not to affect the movement of the valve core

4. During debugging, the no-load test should be carried out first, and the load test should be carried out after confirming that it is correct.

Hope the above content about directional valve maintenance can be helpful to you, if you have any doubts you can also contact our staff of our company, we will be happy to answer for you.


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