Product Description Submersible bore pump product features: Closed type motor, better cooling effect and motor efficiency. Product Feature Submersible bore pump product features: 1. Suitable for multi-storey building water storage tank. 2. STU series internal parts in contact with the liquid in stainless steel(SUS304); multistage impeller design, broad range of head. 3. Suction is located in the middle of pump. It will lower water capacity in the storage tank. Saves storage tank volume. 4. Closed type motor, better cooling effect and motor efficiency. Product Specification/Models Submersible bore pump operating conditions: 1. Liquid temperature:10C-35C clear water 2. Motor start-up method: A. Direct start-up:0.5HP-10HP B. Y- delt start-up:15HP-50HP 3. Insulation class B 4. Protection IP68 Application Submersible bore pump applications: 1. For multi-storey buildings, agriculture, apartments and factories pressure boosting use. Set up in basement in a water storage tank.