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To ensure safety and extend the service life of valves during valve maintenance, the following are some important precautions:

1. Safety first

Before starting maintenance, ensure that the valves and piping system have been completely shut down and the pressure has been released. Use appropriate protective equipment (such as gloves, goggles, etc.) to avoid injury.

Ensure that the work area is clean and avoid slipping or other accidents.

2. Carefully inspect

Before disassembling the valve, carefully check the type, model, and specifications of the valve in order to use the correct tools and parts during the repair process.

Check the working environment of the valve, understand the type, temperature, and pressure of the medium in which the valve is located, and ensure the feasibility of the maintenance plan.

3. Record and mark

When disassembling the valve, record each step and mark the component position for accurate reassembly.

Taking photos to record the installation status and connection method of the valve is helpful for later reassembly.

4. Use appropriate tools

Use appropriate tools for disassembly and installation to avoid valve damage or component deformation caused by improper use of tools.

Check the integrity of the tool to ensure there is no damage or rust.

5. Replace the seals

In maintenance, it is usually necessary to replace vulnerable parts such as seals and gaskets. It is recommended to use original or reliable substitutes.

Ensure that the seals are installed properly to avoid leakage issues.

6. Clean the valve

During the maintenance process, clean the inside and outside of the valve to remove dirt, corrosion, and other impurities. This helps prevent valve failure and extend its service life.

7. Avoid excessive tightening

When reassembling, avoid overtightening bolts or nuts to avoid damaging the structure or sealing surface of the valve.

Tighten according to the manufacturer's recommended torque.

8. Testing and Inspection

After reinstalling the valve, conduct a comprehensive functional test to check for leaks and operational failures.

Ensure that the valve operates normally throughout the entire working range and meets the design requirements.

9. Regular maintenance

Establish a regular inspection and maintenance system to promptly identify and address potential valve issues, in order to avoid major malfunctions.

Record detailed information about each repair and maintenance to facilitate subsequent management and analysis.

10. Professional training

Ensure that maintenance personnel have received professional training, possess relevant technical knowledge and practical experience.

Regularly attend training to understand the latest developments and maintenance techniques in valve technology.

By following the above precautions, the maintenance efficiency and safety of valves can be effectively improved, ensuring their long-term stable operation.