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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 […]

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 […]

electric wafer butterfly valve vs electric flange butterfly valve

The difference and selection of electric wafer butterfly valve and electric flange butterfly valve As one of the most common valves in pipelines, electric butterfly valves are used to realize the on-off and flow control of various media in the pipeline system. They have been widely used in many fields such as petroleum, chemical industry, […]

Advantages and disadvantages of butterfly valve and structure diagram

Advantages and disadvantages of butterfly valve and structure diagram The butterfly valve opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve opening and closing or adjustment. The butterfly valve is usually less than 900 from fully open to fully closed. The butterfly valve […]

Fluorine-lined butterfly valve vs metal seated butterfly valve

The difference and selection of fluorine-lined butterfly valve and metal seated butterfly valve As one of the most commonly used valves in process pipelines, butterfly valves are not only simple in structure, easy to operate, and equipped with different driving devices, but also can form a variety of control methods, such as electric butterfly valves, […]

The difference between globe valve and gate valve

The difference between globe valve and gate valve, The difference between gate valve and globe valve From the structure: The length of the gate valve is shorter than that of the stop valve, and the height is higher than that of the stop valve. The installation of the rising stem gate valve should pay attention […]

How many types of gate valves?

Types and classifications method of gate valves Gate valve, also called slab valve, is mainly composed of valve body, bonnet, gate, valve stem, valve seat and sealing packing. It is one of the most common valve types in isolation valves. The main purpose of the gate valve is to cut off the fluid. For this […]