Impeller pump N 3312

wastewaterelectricsubmersible

The Flygt N 3312 high-capacity wastewater pump series takes on the toughest sewage pumping applications with minimal downtime and high energy-efficiency. Self-cleaning N-technology hydraulics provide up to 25% energy savings compared to conventional hydraulics and are available in Hard-Iron, grey iron, or stainless steel. Submersible and dry installation options (configurations P, S, T, and Z), as well as explosion-proof versions, provide flexibility for pump station design. The optional premium efficiency motor can help meet regulatory requirements. Clog-free pumping with Flygt N-hydraulics Flygt N-hydraulics combine a semi-open dual-blade impeller with a unique geometry to provide sustained high efficiency and trouble-free operation. Backswept leading edges on the impeller vanes sweep solids from the center of the impeller to the perimeter, where they are caught in a relief groove and pushed out of the pump. Due to this mechanical self-cleaning design, soft, stringy fibers are no match for the Flygt N-pump and a sludge concentration up to 8% can easily be handled. For applications with salt, sand infiltration and grit removal duties, Flygt’s Hard-Iron material can extend N-hydraulic life. Efficient cooling for motor protection Depending on operating environment, Flygt N 3312 pumps are available with several cooling options, including internal closed-loop cooling, direct cooling by the pumped media, and for warm-liquid applications, external cooling.