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Centrifugal pump 11kW DONGYIN 6SP17-20 (7777083) Application: Pumps of this series are designed for pumping clean water and can be used: for domestic and industrial use in water supply from wells and reservoirs (mandatory installation of cooling jacket), for pumping water into reservoirs, for irrigation systems, for automatic water supply together with reservoirs using control automation (control relays, pressure controllers). Pump part: Pump housing: stainless steel AISI 304 Outlet flange: stainless steel AISI 304 Pump shaft: stainless steel AISI 304 Shaft coupling: stainless steel AISI 304 Impeller: stainless steel AISI 304 Diffuser: stainless steel AISI 304 Electric motor: Motor type: oil-filled Stator windings: copper Motor housing: stainless steel AISI 304 Motor shaft: stainless steel AISI 304 Bearing: rolling (C&U) Voltage: 3 ~ 380 V Frequency: 50 Hz Insulation class: F Protection class: IP68 Application conditions: Maximum pumped liquid temperature: +50 °C Immersion depth below water level: up to 80 m Well diameter: from 250 to 350 mm Content of abrasive impurities