Basic introduction of electrical equipment seals

Power equipment mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment is mainly power station boilers, steam turbines, gas turbines, hydraulic turbines, generators, transformers，ect. Power supply equipment is mainly transmission circuits, transformers, contactors, etc. of various voltage levels. Mechanical seal is a shaft sealing device of rotating machinery, such as centrifugal pumps, centrifuges (seals), reactors and compressors. Since the transmission shaft runs through the inside and outside of the equipment, there is a circumferential gap between the shaft and the equipment, and the medium in the equipment passes through the gap.

Leaks to the outside, if the pressure inside the device is lower than atmospheric pressure, air leaks into the device.

Therefore, there must be a shaft seal to prevent leakage. There are many types of shaft seals. Because mechanical seals have the advantages of less leakage and long service life, the mechanical seals in the world are the main shaft sealing method in these devices. The power series high temperature seals produced by DSH Seals have become a common qualified equipment for equipment maintenance of a well-known domestic power group.

 We have allowed our customers to reduce the frequency of equipment replacement seals, which has produced good economic benefits!