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Working principle and characteristics of triple eccentric butterfly valve
Triple eccentric butterfly valve, also named triple offset butterfly valve. Nowadays, butterfly valves have been used in many industries. In the beginning, the butterfly valve was only used for the interception and communication of water media. The triple eccentric design enhances the function of the butterfly valve and has become one of the valves with […]
How to choose a valve in the chemical industry
The media transported in various pipelines in the chemical industry are usually corrosive, such as sulfuric acid, hydrochloric acid, nitric acid and other corrosive media. All corrosion protection is the most basic requirement of chemical equipment. Chemical valves are of course no exception, and the selection of valve materials must be corrosion-resistant. If the chemical […]
Gate valve structure diagram and working principle
Gate valve structure; Working principle of gate valve Gate valve /stop valve structure: The gate valve refers to a valve in which the gate closing member moves along the vertical direction of the center line of the passage. Generally, it consists of valve body, valve seat, valve stem, gate, valve cover, and sealing ring. It […]
Non-rising stem(NRS) and rising stem(RS) gate valve
structures and differences of Non-rising stem(NRS) gate valve and rising stem(RS) gate valve RS gate valve structure picture, NRS gate valve structure picture RS gate valve and NRS gate valve are different from the transmission mode. RS gate valve is a handwheel that drives a nut to rotate in place, and the stem is linearly […]
electric butterfly valve code naming method
Electric butterfly valve model preparation method, electric butterfly valve code naming method, only suitable in China. With the increase in demand for valves in my country’s industrial manufacturing industry, electric butterfly valves have become a more prominent one among many valves. However, due to the wide variety of electric butterfly valves, and the difference in […]
Pneumatic butterfly valve model name coding method
Pneumatic butterfly valve model preparation method, code naming method, only in China Pneumatic butterfly valve is one of the most common valves in industrial piping systems. It has the functions of switch cut-off, proportional adjustment, and emergency cut-off. It also has rapid switching, simple structure and easy maintenance. It is used more and more on […]
Working principle diagram of electric butterfly valve
Working principle diagram of electric butterfly valve With the rapid development of my country’s industrial manufacturing industry, the demand for valves is also getting higher and higher, especially the use of electric butterfly valves and electric ball valves, which are the most prominent among many valves, and belong to the more common types of pipelines! […]
electric fluorine-lined butterfly valve vs electric metal seated butterfly valve
The difference between electric fluorine-lined butterfly valve and electric hard seal butterfly valve Electric butterfly valve is one of the most commonly used valves in industrial pipelines in recent years. In addition to ordinary opening and closing, it can also be used to adjust and control the pressure, flow, temperature and other parameters of various […]
Single eccentric|double eccentric|triple eccentric butterfly valve structure principle (diagram)
The evolution of butterfly valve sealing structure: single eccentric butterfly valve, double eccentric butterfly valve and triple eccentric butterfly valve Butterfly valves have been widely used due to their low cost, small size, light weight and long life. With the development of my country’s industry, various industries have more and more stringent requirements for the […]
Types and classifications of butterfly valves
Types and classifications of butterfly valves Butterfly valves can be divided into offset plate type, vertical plate type, inclined plate type and lever type according to the structure. According to the sealing form, it is divided into two types: relatively sealed type and hard sealed type. Soft-sealed butterfly valves generally use rubber ring seals, and […]