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Flange butterfly valve uses and characteristics
When the flange butterfly valve is in the fully open position, the thickness of the butterfly plate is the resistance when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better flow control characteristics.
2023-02-11
How should valves be maintained and maintained
Valves and other mechanical products, also need to be maintained. Maintenance work done well, can significantly extend the service life of the valve.
Causes and maintenance of valve failure
The filler is not selected correctly and is not suitable for the corrosivity, temperature and pressure of the working medium. The packing is not installed correctly, especially the whole packing is put in standby, which is most likely to cause leakage.
Reasons and treatment methods for valve not being closed tightly
In the process of using the valve, some disturbing problems often occur, such as the valve is not closed tightly or tightly. What should we do?
Valve maintenance skills
With the development of social economy, valves are used more and more widely. The valves used in the pipeline are various in types and structures, and are the most vulnerable pipeline accessories.
Precautions for valve selection and replacement
The structure selection of the regulating valve is determined by comprehensive consideration of the medium used, temperature, pressure before and after the valve, flow, physical and chemical properties of the medium, and cleanliness of the medium.