Butterfly Valve Article

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Butterfly valve connection method 1-wafer type butterfly valve

Butterfly valve connection method 1: wafer type butterfly valve

Wafer-type butterfly valve is one of the most commonly used butterfly valve types. The wafer type butterfly valve body has no connecting flange, and the butterfly valve is connected between the pipe f…

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Double eccentric sealing butterfly valve introduction, pictures, sales

Double eccentric sealing butterfly valve introduction, pictures, sales

The double eccentric sealing butterfly valve is further improved on the basis of the single eccentric butterfly valve. Its structural feature is that the shaft center of the valve stem deviates from t…

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Centerline Butterfly Valve Pictures, Introduction, Sales

Centerline Butterfly Valve Pictures, Introduction, Sales

Centerline butterfly valve adopts the centerline sealing structure, and the centerline of the disc sealing of the butterfly valve is consistent with the centerline of the valve body and the rotation c…

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How to avoid stainless steel butterfly valve rust

How to avoid stainless steel butterfly valve rust

Stainless steel butterfly valve relies on a very thin, firm and stable chromium-rich oxide film (protective film) formed on its surface to prevent the continuous infiltration and oxidation of oxygen a…

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How to distinguish hard seal butterfly valve and soft seal butterfly valve

How to distinguish hard seal butterfly valve and soft seal butterfly valve

Performance difference: Hard sealing butterfly valve: The two sides of the sealing pair are made of metal materials or other hard materials, which are called "hard seals". This kind of seal has poor s…

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Analysis of Causes of Damage to Butterfly Valve Seat

Analysis of Causes of Damage to Butterfly Valve Seat

The seat of the butterfly valve, also known as the sealing ring, is a component related to the sealing performance of the butterfly valve, and it is also a place that is seriously corroded and eroded …

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Butterfly valve sealing surface material, characteristics and use

Butterfly valve sealing surface material, characteristics and use

The sealing surfaces of butterfly valves can be divided into three categories, so what are the characteristics and uses of these three categories, and how do you choose as a purchasing user? VALTECCN …

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Pneumatic butterfly valve installation precautions

Pneumatic butterfly valve installation precautions

Pneumatic butterfly valve is a commonly used flow control instrument, which has the advantages of novel design, reasonable, unique structure, light weight, convenient operation, and rapid opening and …

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What is a pneumatic butterfly valve and what are its characteristics

What is a pneumatic butterfly valve and what are its characteristics

Pneumatic butterfly valves are widely used in petroleum, chemical and electric power industries, and their existence plays a very important role in controlling the flow of the entire product. What is …

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Application scope of UPVC butterfly valve

Application scope of UPVC butterfly valve

Analysis of the scope of application of UPVC butterfly valve UPVC butterfly valve with worm gear is suitable for fluids: water, corrosive chemical liquids, etc., such as: pure water and raw drinking w…

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Application of triple eccentric butterfly valve in petrochemical plant

Application of triple eccentric butterfly valve in petrochemical plant

On large-diameter pipelines, the cost of using a shut-off valve is very high and zero leakage cannot be achieved. In the case of emergency shutdown, a shut-off valve must be installed beside the shut-…

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Wafer butterfly valve installation instructions and valve installation precautions

Wafer butterfly valve installation instructions and valve installation precautions

Wafer type butterfly valve is one of the most common types of valves in industrial pipelines. The structure of the wafer type butterfly valve itself is relatively small. It is only necessary to put th…

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Flanged Butterfly Valve Features

Flanged Butterfly Valve Features

Flanged Butterfly Valve: The valve seat is made of synthetic rubber. When the butterfly plate is closed, press the outer cover of the butterfly plate to squeeze the synthetic rubber valve seat, so tha…

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worm gear butterfly valve

How to maintain the worm gear butterfly valve?

After the worm gear butterfly valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear butterfly valve.Only by doing a good job of daily maintenance a…

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Matters needing attention in butterfly valve selection and purchase!

Matters needing attention in butterfly valve selection and purchase!

Butterfly valve design and selection The following points should be paid attention to in the design and selection of butterfly valves: Handle butterfly valve and worm gear butterfly valve selection: A…

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