May 18, 2018Before carrying out the test of rotary seal valve, it is necessary to check the control program of the rotary valve. After the shell pressure and sealing test are completed, install the motor on the r...view
May 18, 2018The leakage rate refers to the total amount of fluid leaked through the main seal and auxiliary seal in unit time; it is an important index for evaluating the sealing performance of the fluid. The lea...view
May 18, 20181. The influence of the seal surface state on the leakageIn order to explain completely a sealed surface, there must be five parameters: roughness, flatness, wave degree, knife mark state and disconti...view
May 18, 2018In the research in the last century, there were obvious wear and local burning phenomena on the mechanical seal friction pairs of the rotating seals in the measurement of the characteristics of the ro...view
May 18, 2018The ring type rotary seal device is mainly applied to the dynamic seal of the rotating shaft. For example, the seal between the connecting disc on the clutch and the stationary bearing seat. The steer...view
May 18, 2018The resurfacing welding is to use the welding method to melt the metal on the tool or machine parts. The commonly used surfacing technology is cold resurfacing welding, electroslag resurfacing weldin...view
May 18, 2018China's rotary seal industry started in 1960s. Although some enterprises have formed a certain scale through many years of technological transformation, technology introduction, joint venture and join...view
May 22, 2018Coke dry quenching is a kind of coke quenching method using inert gas to cool the red coke. During the dry quenching process, the red coke is loaded from the top of the coke dry quenching furnace. The...view
May 18, 2018The processing steps of the cemented carbide seal surface are as follows: wire cutting is used to process the rotary feeding valve to the coarse grinding size; the grinding machine is used to fine gri...view
May 22, 2018The coke dry quenching is rigid connection with the blast furnace and the boiler. Therefore, the stability of dry coke will directly affect the power generation of coke and co-generation. The dry coke...view
May 18, 2018The pipeline system with hard erosion medium will wear the valve and pipe strongly. In order to enhance the service life of the equipment, a layer of wear-resistant material is usually added to the in...view
May 18, 2018Rotary seal is widely used in rotatingliquid supply system. Its sealing forms include radial seal and end seal. Interms of end seal, there are balance, partial balance and non-balance types.These seal...view
May 18, 2018The performance of the sealing material used in rotary seal valve is the key to determine the sealing and service life of the rotary feed valve. The temperature range of the rotary valve is very large...view
May 18, 2018Liner card plugging:Failure situation: the motor current transient of the rotary seal valve is too large to the protection shutdown. Transfer the field manual operation to a certain fixed angle, and w...view
May 22, 2018In the process of the operation of the equipment, the sealing surface is easily affected by environment. It is like a spring, if it is used too long, it will appear fracture, corrosion, relaxation and...view
