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Selection standard of butterfly valve

Butterfly valve can be selected in double position regulation, necking channel, low noise, gasification phenomenon, a small amount of leakage to the atmosphere and corrosive medium.

Application medium and working condition of butterfly valve

Butterfly valve is mainly used for liquid, gas low pressure large diameter pipeline. It is suitable for the occasions where the pressure loss requirement is not high, the flow regulation is needed, and the opening and closing requirements are fast; Generally, the temperature is below 300 ℃ and the p......

Differences Between Gate, Globe and Check Valves

Gate valve: it is the most commonly used valve in pipeline system. It is a general service valve, mainly used for switching, non throttling applications. Fully open or fully closed, not used to regulate flow. A partially open gate valve will accelerate corrosion caused by merchandise in the pipe and......

Practical Application of Multifunctional Pump Control Valve

Multifunctional pump control valve is a new type of hydraulic valve with automatic operation in the whole process. It can fully realize the slow opening when the centrifugal pump is started, and two-stage fast closing and slow closing when it is stopped, so as to prevent the backflow of medium in th......

Why Does Stainless Steel Butterfly Valve Surface Rust?

Stainless steel butterfly valve can resist oxidation in the atmosphere, and has corrosion resistance in acid, alkali and salt medium, so all stainless steel butterfly valve has the characteristics of wear resistance and corrosion resistance. These characteristics can fully reflect the advantages of ......

Introduction of Common Nonmetallic Materials for Valves

It is an excellent universal rubber material, suitable for water, gas, oil and grease, gasoline (except gasoline with additives), alcohol and glycol, liquefied petroleum gas, propane and butane, fuel oil and many other media. At the same time, it also has good wear resistance and deformation resista......

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