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Centrifugal borehole pump 0.37 kW H 66(43) m Q 40(25) L/min Ø66 mm AQUATICA (DONGYIN) (777072). These pumps are designed for pumping clean water and can be used for domestic water supply from wells and tanks (cooling jacket installation required), pumping water into tanks, irrigation systems, and automatic water supply with small tanks using control automation (control relays, pressure controllers). Pump section: Pump housing: stainless steel AISI 304; Discharge flange: brass; Pump shaft: stainless steel AISI 304; Shaft coupling: stainless steel AISI 304; Impeller: technopolymer; Shaped separating washer: technopolymer; Diffuser: technopolymer. Electric motor: Motor type: asynchronous, oil-filled, with built-in thermal protection in the winding; Stator winding: copper; Motor housing: stainless steel AISI 304; Motor shaft: stainless steel; Mechanical seal: ceramic/graphite; Bearing: rolling (C&U); Voltage: 220-240 V; Frequency: 50 Hz; Insulation class: F; Protection class: IP68; Cable length: 1.5 m. Operating conditions: