1. The pump uses 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. Pumps are equipped with a dry-running protection system to safeguard the impeller from causing damage to the mechanical seal, impeller, and pump cavity when rotating at high speed without liquid inside the pump chamber; (Certificate of intellectual property rights for the base of the impeller that can rotate without load is provided as proof)