Selection of valves
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How are pneumatic valves and electric valves selected and used?
Use whichever power supply is more convenient to use
Whether it is a pneumatic valve or an electric valve, the following factors should be considered during selection: 1. The temperature, pressure, and flow rate of the medium being controlled (maximum flow rate, minimum flow rate, normal flow rate). 2. The properties of the medium being controlled, such as viscosity and the presence of particles. Select the control valve appropriately based on the process parameters. Pneumatic valves are generally used in industries such as gas production and the chemical industry ； Electric valves are generally used in industries such as power plants, metallurgy, and manufacturing, across both light and heavy industries.
It depends on what the factory supplies, as well as the issue of getting used to using it
For adjustment, pneumatic is the best choice; electric ones are suitable for use as switches
If there is no gas supply on site, then don’t consider using pneumatic valves! Electric valves are the only option in such cases. Pneumatic valves have a fast switching time and a low failure rate; in explosion-proof environments, they offer better cost-performance compared to electric valves. Electric valves have a slower switching time and may have a higher failure rate, and their cost is higher when used in explosion-proof environments. I’m not sure if the answer satisfies you. QQ: 928976489 (Your control valve consultant)
Electric valves are more commonly used for gas pipelines in boiler power plants； Pneumatic valves are more commonly used in the petrochemical industry.
1. In industries such as petrochemicals that require explosion protection, pneumatic valves are commonly used. Electric valves are commonly used in industries such as power plants and metallurgy*. 2. In applications where rapid valve opening and closing is required, *pneumatic valves are commonly used. 3. If the factory does not have the facilities to install air compressors, electric valves are generally preferred.
In industries such as petrochemicals that require explosion protection, pneumatic valves are generally used.
Depends on the on-site power source or industry practices*.