Pentax DTRT 750 Pressure Grinder Submersible Pump (3∼415V) Heavy-duty, three-phase submersible centrifugal grinder pump engineered for the most demanding high-head wastewater and sewage applications. Key Features: Power: 7.5 HP (∼5.5 kW) motor, suitable for 415V (3-phase) supply. Extreme High Head: Maximum head of ∼46−48 m with a flow range up to ∼360 L/min. Grinding System: Integrated grinder/cutter ensures clog-free operation by crushing textile and filamentous solids. Construction: Robust cast-iron body and impeller; AISI 304 stainless steel shaft. Durability: Double mechanical seal with oil barrier, providing excellent sealing in submerged service. Protection: IP68-rated for prolonged submersion, with a maximum depth up to 20 m. Applications: Municipal/industrial sewage, septic tank pumping stations, industrial effluent, and long-distance high-lift drainage.