① Use a file to remove the burr on the strained part of the valve stem; for the shallower part of the strain, use a flat shovel to process it to a depth of about 1mm, and then use an emery cloth 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 ...
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...
Our company leverages advanced valve design and manufacturing technology to continuously innovate and introduce new products. Our flagship products, including butterfly valves, gate valve, and chec...
Tips for turning the heating valve on and off
For many families in the north, heating is not a new word, but an indispensable necessity for winter life. At present, there are many different functio...
Material Selection
Low-End Valves
Body/Disc Materials: Typically use low-cost metals like cast iron or unalloyed carbon steel, which may lack corrosion resistance in harsh environments.
Sealing ...