When choosing a reliable, efficient flow control solution for industrial or municipal applications, rubber seated gate valves are a popular choice. Also known as NRS (Recessed Stem) Gate Valves or ...
Backflow preventer valves are an important component in any water system and are designed to prevent the dangerous and potentially harmful effects of backflow. As an important part of the plumbing ...
Valve assembly is the final stage in the fabrication process. Valve assembly is based on the delineation of the technical premise, the parts of the valve together, make it a product process. Assemb...
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...
The China (Guangxi)–ASEAN International Expo on Construction Materials and Machinery opened at the Nanning International Convention and Exhibition Center. Government officials and industry represen...