Commonly seen in gate valves are the rising stem gate valve and the non-rising stem gate valve, which share some similarities, that is:
(1) Gate valves seal through the contact between the valve se...
U-shaped butterfly valve is a special type of valve commonly used in various industries to control and regulate the flow of fluids. It belongs to the category of rubber-sealed butterfly valves and ...
Check valve refers to the valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium, also known as check valve, one-...
Advantages and uses of electric butterfly valves
Electric butterfly valve is a very common device for pipeline flow regulation, which has a wide range of uses and involves many fields, such ...
Gate valves are an important part of various industries, providing a means of controlling the flow of liquids and gases. Among the different types of gate valves available, concealed stem gate valv...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...
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