-
Stainless steel valve is made of stainless steel and has a handle, turbine, pneumatic, electric and other transmission structures. It is flexible and light to switch, compact in structure, light in weight, easy to heat preservation, easy to install, and has excellent sealing performance and corrosion resistance. Connection methods include welding, thread, flange, etc. Stainless steel valves are wi...
View More
-
With the advancement of valve technology, there are more and more types of valves. Globe valves are also used a lot of valves, and high pressure casting globe valves are the product of technological progress. Next, Dervos will give you a detailed introduction to the high pressure casting globe valve. Structural Features 1. The series of cast steel globe valves have reasonable structural design, st...
View More
-
In today's valve family, gate valve is relatively widely used. Among them, wedge type double gate valve and wedge type elastic gate valve are the most widely used, because they have the best sealing effect. Everything has its advantages and disadvantages. It is because of its good sealing effect that the pressure in the middle chamber will rise abnormally in some occasions. Abnormal boost pressure...
View More
-
The spool ball of the floating ball valve moves between the two seat sealing rings with the help of medium pressure, while the spool ball of the trunnion mounted ball valve is connected with the valve stem and rotates around the center of the valve stem, and the floating seat support ring. Floating Ball Valve The ball of the floating ball valve is floating. Under the action of medium pressure, the...
View More
-
With the continuous development of industry, there is an increasing demand for ball valves, especially ball valves under high temperature and high pressure harsh conditions. Ball valves are required to have higher performances such as wear resistance, erosion resistance, high temperature resistance, and corrosion resistance. Although the traditional full-bore ball valve has surface hardening treat...
View More
-
With the rapid development of the economy and the increase of large-scale petrochemical engineering projects, more and more high-temperature hard-sealed ball valves are widely used in the fields of petroleum, chemical industry, steel, metallurgy and hydropower. Compared with soft-sealed ball valves, the sealing material and design structure of hard-sealed ball valves are better suitable for high-t...
View More
