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Hugong Valve is a well-known brand valve supplier that integrates research and development, manufacturing, sales, and service
Shandong Hugong Valve will teach you valve purchasing skills from the perspective of valve manufacturers
Release time:
2024-08-14
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Overall, the valve market prices in China are relatively stable, with slight fluctuations each year
Overall, the valve market prices in China are relatively stable, with slight fluctuations each year, but the magnitude of the changes is small.
The main problems in the valve market are:
1、 Some operators purchase valves without a factory name or address, print well-known manufacturers' brand names and certificates of conformity, which seriously damages the reputation of qualified valve enterprises.
2、 Refurbishing valves, some operators resell waste valves by repainting them, posing serious safety hazards to the quality of the project.
Therefore, caution should be exercised when selecting valves that are suitable for your application. To avoid ambiguity, precise specifications should be made for each valve. When inquiring or ordering, a comprehensive and appropriate description of the required valves should be provided.
The selection of valve diameter must determine the nominal diameter of the pipeline connected to the valve. When determining the correct valve material, the following factors should be considered: the fluid medium that the valve needs to control, the temperature range of the fluid medium, the pressure range that the valve needs to withstand, the climate conditions that may affect the operation of the valve, and the abnormal control function that the valve may withstand. Each valve structure is used to perform a certain function, do not expect one valve to be able to handle all functions within the entire pipeline system.
Pressure temperature rating. To meet practical needs, please pay special attention to the pressure temperature ratings of the required valves. Special attention should be paid to sealing materials and gasket materials, as these materials largely determine the pressure temperature rating of the valve. Specify sealing and settling materials according to actual needs to meet or exceed actual requirements.
Valves and connection methods. The integrity of the pipeline system, future daily maintenance, anti-corrosion factors, on-site assembly, weight, and safety are all factors that should be considered when determining the connection method between valves and pipelines. 1. Choose the appropriate operating mode or method based on factors such as valve type, size, pressure, temperature, installation environment, etc.
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