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 ...
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...
Dear Friends,
We are Tianjin Tanggu Water-Seal Valve Co.,Ltd,this week we begin to work from China New Year,and all work back to normal.
Our company mainly produce rubber seated butterfly valve,sof...
Butterfly valve manufacturer said daily installation and use of electric butterfly valves, must first look at the media efficiency and media quality, as a basis for the correction of the relevant i...
Quality is crucial when selecting the right valve for an industrial or commercial application. With over 20 years of experience in valve production and exporting, TWS Valve is proud to offer a rang...
Butterfly valves are suitable for pipelines that transport various corrosive and non-corrosive fluid media in engineering systems such as coal gas, natural gas, liquefied petroleum gas, city gas, h...
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