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 dry-run protection systems to safeguard the impeller from damage when it rotates at high speed without liquid in the pump chamber; (Certificate of intellectual property rights for the impeller base that can be rotated without liquid provided as proof)