Pentax DTRT 150 Pressure Grinder Submersible Pump (415V) Heavy-duty, three-phase submersible sewage grinder pump engineered for high-head, clog-resistant pumping in commercial and industrial wastewater applications. Key Features: Integrated Grinder: Macerates textile and filamentous solids to prevent blockages, ideal for long delivery mains. Power: 1.5 HP (1.1 kW) motor, suitable for 400/415V (3-phase) systems. Performance: Flow range approximately 50−300 L/min with a head up to ∼18.5 m. Construction: Robust cast-iron body and impeller; stainless steel shaft. Durability: Double mechanical seal with oil barrier and IPX8/IP68 protection for continuous operation up to 20 m immersion. Solids: Designed to handle suspended solids (max ∼3 mm after shredding). Applications: Septic tanks, sewage sumps, industrial effluent, and long-distance discharge lines.