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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 […]
Pneumatic butterfly valve installation instructions
Pneumatic butterfly valve installation instructions and steps Whether the pneumatic butterfly valve is installed well will affect the efficiency of the equipment. And the maintenance of the pneumatic butterfly valve is also related to the performance of the equipment. Improper installation or lack of maintenance will cause the performance of the butterfly valve to decline, […]
Structural characteristics of metal hard seal butterfly valve
Structural characteristics of metal hard seal butterfly valve The metal hard seal butterfly valve is mainly composed of valve body, butterfly plate, valve shaft, valve body sealing ring, butterfly plate sealing ring, shaft sleeve, self-lubricating bearing, driving device and so on. The high-performance metal hard seal butterfly valve drives the valve shaft to rotate through […]
Pneumatic butterfly valve working principle diagram
Pneumatic butterfly valve working principle diagram Pneumatic butterfly valve is a kind of general-purpose valve that is particularly widely used. Nowadays, many chemical industry, paper industry, coal industry, petroleum, medical, etc. will use valves, especially pneumatic valves, and if the use is relatively large, it must be Pneumatic butterfly valves are extremely common on many […]