Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will introduce the structure, working principle, classi...
Butterfly valves have been used extensively for several years in many projects all over the world and proved its capability in performing its function because they are less expensive and easy to in...
Flange butterfly valve is mainly used in industrial production pipeline, its main role is to cut off the circulation of medium in the pipeline, or adjust the size of medium flow in the pipeline. Fl...
The butterfly valve with electric actuator D67A1X-10ZB1 is an important driving force for the electrically adjustable resilient seated wafer butterfly valve, and its model selection determines the ...
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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