Valves occupy a large proportion of mechanical products, especially in pharmaceutical, power, petrochemical, metallurgical and other fields, valves play a key role.
Valve is the control component in the fluid conveying system, with cut-off, regulation, diversion, prevention of countercurrent, voltage stability, diversion or overflow pressure relief and other functions. . . .
On November 29, 2018, the 13th China International Symposium on Urban Water Development and the New Technology and Equipment Exposition were held on schedule in Chongqing Yuelai International Convention and Exhibition Center.
The Ministry of Industry and Information Technology recently approved a number of industry standards, of which four valve standards will be implemented from December 1, 2018. These four standards are Valve Starting Device...
Recently, "Hydraulic Threaded Cartridge Valve Three-way Electrically Modulated Flow Valve", "Micro Automatic Exhaust Valve", "Zhejiang Manufacture" Group Standard Review Meeting was held in Zhuji Diankou.
This is a small void formed by the gas which can not escape during the solidification of metal. Its inner wall is smooth and contains gas. It has a high reflectivity to the ultrasonic wave...