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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 […]

Cryogenic valve principle |standard |illustration |selection

Principle of Cryogenic valve|Standard of Cryogenic valve|Selection of Cryogenic valve The so-called cryogenic valve is a kind of altra-low temperature valve, as the name implies, is a valve suitable for working in cryogenic conditions. In the valve industry, valves that tend to -40°C are called cryogenic valves. Cryogenic valves are generally used in cryogenic systems […]

The difference between API, DIN valve and GB valve

The difference between American standard valve, German standard valve and national standard valve (American Standard, German Standard, National Standard) The difference between valves: First of all, it can be distinguished from the standard codes of various countries: GB is the national standard of China, the American standard (ANSI), and the German standard (DIN). Secondly, it […]

The difference between internally and externally threaded valves

Threaded valve (also called  internal threaded valve) generally refers to a valve with internal or external thread on the valve body. It is mainly divided into internal threaded valve and external threaded valve. Corresponding to the pipeline. Usually threaded valves can only be manufactured with small diameters and are used for normal pressure or low […]