HSND280-46N is a vertical AC main sealing oil pump with side inlet and side outlet. It is sealed with a skeleton oil seal and is mainly configured in the sealing oil system. After being pressurized by the main sealing oil pump, it is filtered through a filter screen, and then adjusted to a suitable pressure by a differential pressure regulating valve to enter the generator sealing pad. The return oil on the air side enters the air separation box, while the return oil on the hydrogen side enters the sealing oil return box and then flows into the float oil tank, and then relies on the pressure difference to flow into the air separation box. The unit is generally equipped with one for operation and the other for backup, both driven by AC motors.

 

Before starting the HSND280-46N vertical AC main sealing oil pump after long-term storage, all elastic components (O-rings and shaft seals) must be checked for elastic deformation. If they age, they must be replaced before being put into use.

 

 

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DFYLSYC-2023-07-12-A