The difference between hard seal butterfly valve and soft seal butterfly valve Butterfly valves are classified into hard sealing butterfly valves and soft sealing butterfly valves according to the material of the sealing surface. So, what ...

Precautions for using high pressure safety valve     The high-pressure safety valve is a safety accessory used on stressed equipment, such as boilers, pressure vessels, etc. Therefore, the ...

Connection form and type of sanitary quick installation safety valve Sanitary quick-installation safety valve, just by listening to the name, we can know that it is a sanitary valve that can be easily and quickly installed and pl...

The role of valve spring in safety valve      The main applications of valve springs are internal combustion engine valve springs, pressure reducing valves, self-operated regulating...

Basic technical requirements for sanitary quick-installation safety valves      Sanitary quick-installation safety valves have different performance requirements when used in different working conditions. These perf...

Design of Rotary Valve Seat of Fully Welded Ball Valve     We know that the fully welded ball valve is a valve with very superior performance, especially when used in natural gas long-distance pi...

Daily maintenance of buried fully welded ball valve     The good technical characteristics of the buried fully welded ball valve make the entire gas pipeline become one (all welded), which str...

Optimal design of seat assembly of bidirectional sealing butterfly valve     In general, in order to achieve the function of two-way sealing of the butterfly valve, the valve seat of the two-way sealing butterfly ...

Development status of China's valve industry After years of development, the number of valve companies in China has risen sharply, with more than 6,000 valve companies of various sizes. The development of ...