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 ...
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...
The flow rate and velocity of the valve mainly depend on the diameter of the valve, and are also related to the resistance of the structure of the valve to the medium, and at the same time have a c...
When in use when the valve leakage to do? What is the main reason?
First, the closure of the leakage produced by falling off
Reason.
1, poor operation, so that the closure of the parts stuck or mo...
WCB, a carbon steel casting material conforming to ASTM A216 Grade WCB, undergoes a standardized heat treatment process to achieve the required mechanical properties, dimensional stability, and res...
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 ...