Pentax DTRT 400 Submersible Grinder Pump (3∼415V) Heavy-duty, three-phase submersible grinder sewage pump engineered for high-head drainage and wastewater applications in commercial and industrial environments. Key Features: Grinder System: Integrated grinder macerates textiles and filamentous solids to reduce blockages and ensure reliable pumping. Power: 4 HP (3 kW) motor, suitable for 400/415V (3-phase) systems. Performance: High-lift capability, up to ∼350 L/min flow and a maximum head of ∼33 m (model-dependent). Construction: Robust cast-iron body and impeller; AISI 304 stainless steel shaft. Durability: Double oil-bathed mechanical seal (SiC on pump side) for extended life. Discharge: DN50 flanged outlet. Protection: IP68/IPX8 rated, max immersion up to 20 m. Applications: Pumped sewage stations, septic tank emptying, industrial effluent, and long delivery mains requiring commercial-grade performance.