1. What is casting
The liquid metal is poured into a mold cavity with a shape suitable for the part, and after it solidifies, a part product with a certain shape, size and surface quality is obtain...
In industrial piping systems, butterfly valves, check valves, and gate valves are common valves used to control fluid flow. The sealing performance of these valves directly impacts system safe...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
Gate valves are an important component in a variety of industrial processes, providing a means of controlling the flow of liquids and gases. They are available in a variety of designs, including op...
Pneumatic wafer soft seal butterfly valve compact structure, 90° rotary switch easy, reliable sealing, long service life, is widely used in water plants, power plants, steel mills, papermaking, che...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
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