Recently, the state administration for market supervision and administration of China (Standardization Administration of China) approved and issued 343 national standards and 2 revision orders of national standards, including...
The strength of the valve is the ability of the valve to withstand medium pressure.Valves are mechanical products under internal pressure and must have sufficient strength and stiffness to ensure long-term use without breaking or deformation.
On September 28, the founding meeting of valve college of kaifeng university was held.Liu haichao, vice-chairman of the kaifeng CPPCC and chairman of the league committee attended the opening ceremony....
Valve is the fluid system used most of a control component, can be used for switching or control flow direction and regulation, and from the simplest cut off function, the valve seal in the machine...
The most common reason is that the operation manager does not maintain the valve in consideration of relatively expensive maintenance costs, or the lack of scientific valve management and ...
In industrial systems, monitoring, control and maintenance of valves is a difficult task because actuators or valves are not directly available and are often difficult to obtain.
"Production and marketing demand forecast and transformation and upgrading analysis report of Chinese valve manufacturing industry" predicts that the output of valves in China will reach 8.3 million tons in 2019...