1. The pump is a 300BYXZXW1000-12-55 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-run 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 a non-rotating impeller base is provided as proof)