1. The pump is a 300BYXZXW1000-12-55 vacuum-assisted self-priming centrifugal pump produced 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 for no-liquid conditions, safeguarding the impeller from causing damage to the mechanical seal, impeller, and pump chamber during high-speed rotation without liquid inside; (Certificate of intellectual property rights for a rotating impeller base that can be operated without liquid provided as proof)