The valve stem is an important part for the transmission,on the next actuator or handle,the following direct drive spool to move or rotate to achieve valve swich or regulation.Stem in the valve opening and closing process is not noly moving parts,mechnaical parts,and the seal member.So the choice of

Valves in everyday use,in accordance with use can be divided into the following categories,to understand the purpose of classification of the valve,the valve for the future application will be of great help!(1)globe valve:valve globe valve,also known as closed-circuit,whose role is to connect or dis

Answer: low temperature valve installation, low temperature operation under normal temperature, wide range of temperature.If the design, improper installation, it is easy to produce heat stress or deformation. At the same time, the valve operating part is in normal temperature, circulation in the lo

In recent years, the rapid development of China's chemical industry, stainless steel valves to transport corrosive medium is widely used in chemical industry, more and more attention and use our. According to the data, in 2013 the stainless steel valves transaction information has increased greatly