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WQ series pumps are used for: Draining wetlands and irrigating fields in agriculture; Earthworks; Fish farms; Drainage wells. Pump part: Body: cast iron with anti-corrosion treatment; Impeller: cast iron with anti-corrosion treatment. Electric motor: Motor type: asynchronous, closed type, water-cooled, with built-in thermal protection in the winding; Bearing: rolling (C&U); Stator winding: copper; Voltage: 3~380V; Frequency: 50 Hz; Insulation class: B; Protection class: IP68; Motor shaft: stainless steel AISI 304; Cable length: 8 m. Operating conditions: Maximum ambient temperature: +40°C; Maximum pressure in the pump working chamber: up to 12 bar; Water pH: 5 - 9; Maximum liquid density: 1.3 x 10³ kg/m³; Head: 25 m; Power: 4 kW