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. The pump is equipped with a dry-run protection system, which safeguards the impeller from causing damage to the mechanical seal, impeller, and pump chamber when it rotates at high speed without liquid in the pump cavity; (Certification of intellectual property rights for a rotating impeller base that can operate without liquid provided)