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pneumatic fluorine-lined butterfly valve vs pneumatic hard-sealed butterfly valve

The difference between pneumatic fluorine-lined butterfly valve and pneumatic hard-sealed butterfly valve Pneumatic butterfly valve is an important execution unit with relatively large usage in industrial pipelines. Compressed air is used as the power source to operate the valve opening and closing, and the execution speed is very fast, usually only a few seconds! Pneumatic […]

The working principle of butterfly valve (picture)

Working principle of butterfly valve: The butterfly valve is a valve that opens and closes according to the rotation of the valve stem, while driving the disc plate to rotate. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, mainly by rotating the disc plate 90° for […]

Electric ball valve principle | Electric ball valve working principle

Electric ball valve principle | Electric ball valve working principle The electric ball valve is mainly composed of an electric actuator and a ball valve. The cock body is a ball with a 90-degree rotation. Electric ball valve is not only a good product for throttling, blocking, cutting, on-off, and diversion, it is also the […]

Ball valve model preparation method/code name establishment

Ball valve model preparation method/code name establishment in China. With the rapid development of my country’s industrial modernization, the use of valves is also increasing.  Ball valves have the advantages of fast opening and closing speed, and not only can switch and cut off, but also control flow, etc., and become the most widely used […]

Representation method of butterfly valve model

Representation method of butterfly valve model in China: Butterfly valve model compilation instructions, butterfly valve model representation method, Butterfly valve model compilation instructions, butterfly valve coding /naming method: There are countless types and specifications of butterfly valves for industrial pipelines. The increase in additional conditions for butterfly valves, the difference in connection methods, the upgrade […]

Flange telescopic butterfly valve application | advantages and disadvantages | installation instructions

Flange telescopic butterfly valve application|advantages and disadvantages|installation instructions Flange telescopic butterfly valve application: The butterfly plate of the flange telescopic butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical passage of the telescopic butterfly valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between […]

Wafer butterfly valve installation instructions and steps

Wafer butterfly valve is one of the most common types of valves in industrial pipelines. The wafer butterfly valve itself has a relatively small structure. You only need to put the butterfly valve in the middle of the flanges at both ends of the pipeline, and use stud bolts to pass through the pipeline flange […]

Pneumatic ball valve-with high platform vs with bracket

The difference between pneumatic high platform ball valve and pneumatic ball valve with bracket Pneumatic ball valve is one of the most widely used valve types in recent years. It is not only convenient in operation, but also very fast in execution. It is used in a variety of fields, such as petroleum, chemical, power […]

Fluorine-lined valve instructions | Installation instructions

Fluorine-lined valve instructions | Installation instructions 1 The fluorine-lined valve flange cover cannot be opened at will. Unless it is ready to be connected to the pipeline, the PTFE flange surface may be bumped, scratched or deformed due to temperature differences and foreign objects, which may affect the sealing. If the cover is moved due […]

Valve seal (ring) material usage range comparison table

Valve seal (ring) material usage range comparison table The selection of valve sealing material is determined according to the operating conditions of the valve, such as: pipeline medium, temperature range (high and low temperature), pressure, and internal structure of the valve. For different occasions, the selected seals are also different. Valve seals can generally be […]