There are many types of valves, but the basic function is the same, that is, to connect or cut off the medium flow. Therefore, the sealing problem of the valve is very prominent.
To ensure t...
① Use a file to remove the burr on the strained part of the valve stem; for the shallower part of the strain, use a flat shovel to process it to a depth of about 1mm, and then use an emery cloth or...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
1. Green Energy Worldwide
According to the International Energy Agency (IEA), commercial volume production of clean energy will triple by 2030. The fastest-growing clean energy sources are wind and...
Body Structure:
The valve body of flange butterfly valves is usually made by casting or forging processes to ensure that the valve body has sufficient strength and rigidity to withstand the pressur...
I. Pre-installation Preparation
1. Check the valve specification model, pressure level, and flow direction identification to ensure that it meets the design requirements.
2. Check th...
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