Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
Pneumatic valve mainly refers to the cylinder playing the role of the actuator, through the compressed air to form a power source to drive the valve, so as to achieve the purpose of regulating the ...
When it comes to the world of commercial butterfly valves, not all devices are created equal. There are many differences between the manufacturing processes and devices themselves that change the s...
1. Basic Definition and Structure
A soft sealing flanged concentric butterfly valve (also known as a “center-line butterfly valve”) is a quarter-turn rotary valve designed for on/off or...
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 ...
The gate valve is a relatively common general valve with a wide range of uses. It is mainly used in water conservancy, metallurgy and other industries. Its extensive use performance has been recogn...
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