Choose the Right Butterfly Valve to Save Worry and Effort

Buying a butterfly valve (Butterfly Valve) is not just about picking a good-looking one. This thing is related to the smoothness and safety of the pipeline system. If you choose the wrong one, it may leak, get stuck, and even affect the progress of the entire project. Today, let's talk about a few key points that you need to pay attention to when purchasing to help you avoid pitfalls!

1. Look at the working conditions first, don't blindly follow the trend

Butterfly valves are divided into several types, such as wafer-type, flange-type, and double eccentric type, each suitable for different scenarios. For example, the wafer-type is easy to install but has low pressure, and the flange-type seal is more stable but has high cost. First figure out whether your pipeline is conveying water, oil or chemical media, how much pressure, how high the temperature is, and then decide which type to buy.

2. Don't make do with the material, durability is king

The material of the valve body directly determines the lifespan. Cast iron is cheap but easy to rust, stainless steel is corrosion-resistant but expensive, and plastic is light but cannot withstand high pressure. If there is corrosive liquid in the pipeline, don't choose the wrong material to save money, otherwise it will cost more to repair!

3. Sealing performance is the soul

Whether the butterfly valve leaks or not depends on the sealing ring. Rubber seals are low in cost but afraid of high temperature, PTFE (polytetrafluoroethylene) is corrosion-resistant but expensive. If the medium is toxic or high temperature and high pressure, you must choose a reliable sealing material, safety first!

4. Choose the operation method according to your needs

Manual butterfly valves are cheap but laborious, electric or pneumatic ones are labor-saving but must be connected to a power supply or air source. If the valve is installed at a high place or frequently switched, it is recommended to use an electric model, otherwise who can stand climbing a ladder to turn the handwheel every day?

5. Don't ignore the brand and after-sales service

Under-brand butterfly valves may get stuck after half a year. Although big brands are more expensive, they have guaranteed quality and fast after-sales response. Especially for industrial projects, don't bury a big mine to save a little money!

Summary

Choosing a butterfly valve is like choosing an object. You can't just look at the appearance, but the inside. First find out the needs, then compare the materials, seals, and operation methods, and finally identify a reliable brand. Spend some time to study it clearly, and you can save a lot of trouble later!

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