1. The pump is a 300BYXZXW1000-12-55 type vacuum-assisted self-priming centrifugal pump manufactured by Jiangsu Boyu Pump Industry; the inlet is 300mm and the outlet is 250mm.

2. The pump is equipped with a dry-running protection system that safeguards the impeller from causing damage to the mechanical seal, impeller, and pump chamber when it rotates at high speed without any liquid inside the pump chamber; (A certificate of intellectual property rights for a rotating impeller base that allows for no-load operation is provided as proof)