hotline400-6611-885
The contact：Mr. ZhuoSpecific analysis of electric valves:With the continuous development of science and technology, the market of electric valve products in China is also developing in the direction of high technology content, high parameters, strong corrosion resistance and long service life. Accordin…
In the low pressure cut-off valve is generally low in higher, truncation packing don't stress, reduce the rate of leakage, can prolong service life.The cut-off valve of general > DNA100 can use high in low out; Large diameter and high pressure condition with low into higher close th…
Reasons for Leakage of Valve Packing1. The packing is not suitable for use in high pressure or vacuum, high temperature or low temperature.2. Installation of packing is not correct. There are some defects, such as replacing small size with large size, bad spiral winding joint, tight…
The flow valves and flow rate depending on the size of valve, also associated with the structure of medium resistance of the valve, with the pressure of the valve at the same time, temperature and the concentration of the medium has a certain internal relation factors.Port area and …
Quality and Responsibility of China - Hemolysis Machine ChapterHello everyone. I'm Feng Chenchen from the Marketing Department. I'm glad to be here today to discuss the important topic of quality and responsibility in China.On June 24, 1978, China issued the "Notice on the Deve…
The contact：Mr. Zhuo
Mobile：021-31007718
Phone：400-6611-885
Address：23 Blocks of Song Steam Highway 2183, Shihudang Town, Songjiang District, Shanghai
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