非密封型磁性电源使用。
本阀门为钢板焊接，结构短，重量轻，结构简单，使用维修方便，为非密封型阀门。
The valve is plate welding, structural short, light weight, simple structure and easy to maintain and use, it's a non-sealed type valve.
介绍180203K非接触型密封轴承的密封结构，初步阐述非接触型密封轴承的密封机理。
The design of seal used in non-contact sealed ball bearing type 180203K is introduced, and the sealing mechanism of non-contact sealed bearings is expounded preliminarily.
应用推荐