2021-06-24
The main technical performance of the copper valve
The strength performance of the copper valve refers to the ability of the copper valve to withstand the pressure of the medium. The copper valve is a mechanical product that bears internal pressure, so it must have sufficient strength and rigidity to ensure long-term use without cracking or deformation.
2021-06-24
According to the selection of control functions, various valves have their own functions, and attention should be paid to their corresponding functions when selecting.
2021-06-24
What is a parallel double gate valve? Main material of double gate valve
What is a parallel double gate valve? Parallel double gate valve is also called rising stem gate valve. When opened, the valve stem is exposed to the outside of the valve body and moves up and down. The stem nut is located on the valve cover or bracket, even if the nut rotates, the stem will not rotate, and the opening/closing part will move up and down to open and close the valve.
2021-06-24
Application characteristics of double gate valve
The application of the double gate valve is undoubtedly very helpful to the pipeline system software.
2021-06-24
Introduction to the application and characteristics of two-way hard-touch hard butterfly valve
Two-way hard-to-hard butterfly valves are widely used in industrial pipelines such as low pressure, medium pressure, high pressure, steel metallurgy, petrochemical industry, electric power, etc., to block or regulate the flow of media. This article introduces the structural characteristics and precautions of the two-way hard-touch hard butterfly valve.
2021-06-09
Copper stocks continue to decline today, Zijin Mining drops more than 5%
Copper stocks continued to decline today. As of press time, Zijin Mining fell 5.28% to HK$10.4; China Gold International (02099) fell 4.79% to HK$22.85; China Nonferrous Mining (01258) fell 4.66% to HK$3.48; Jiangxi Copper Industry shares (00358) fell 2.2% to 16.04 Hong Kong dollars.
