There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...
To all cooperative customers and suppliers :
Thank you for your cooperation and support! As the company’s operations have gradually developed and expanded,
The office and production base of...
Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...
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 ...
Installation environment
Installation environment: butterfly valve can be used whether indoor and open air, but in the corrosive medium and easy to rust occasions, to use the corresponding material...
The check valve designed, manufactured, produced and tested according to the American standard is called the American standard check valve, so what is the standard size of the American standard che...
Keystone Wafer Check Valve Related Videos From Youtube