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

2. Pumps are equipped with a dry-run protection system to safeguard the impeller from causing damage to the mechanical seal, impeller, and pump chamber in the event of high-speed rotation without liquid in the pump cavity; (Intellectual Property Certificate for the impeller base that can rotate freely is provided as proof)