WILO Wilo Submersible Pump Sub TWU 4.04-04-DM-D-QC-GT, Rp 1¼, 400 V – 6091413

Fully submersible, multistage submersible motor pump with radial or semi-axial impellers in sectional design for vertical or horizontal installation, with integrated non-return valve. Corrosion-free three-phase motor for direct starting with water-glycol filling. Hermetically sealed with lacquer-insulated winding, resin-impregnated and self-lubricating bearings. The motor is cooled by the pumped medium. Therefore, horizontal installation must be carried out in conjunction with a cooling jacket. For pumping water for geothermal applications with a maximum immersion depth of 200 m and a max. sand content of 50 g/m³. The QC version is equipped with a quick-connection cable for easy and quick replacement of the power cable.Operating dataPumped medium: WaterDelivery head max.: 23.5 mUnitMinimum efficiency index (MEI): 0.7Pressure-side pipe connection: Rp 1¼Maximum operating pressure: 40 barMax. sand content: 50 g/m³Motor protection class: IP68Max. immersion depth: 200 mMin. medium temperature: 3 °CMax. medium temperature: 40 °CNet weight approx.: 8.9 kgMax. diameter: 98 mmMotor dataMotor design: Submersible motorMains connection: 3~400 V, 50 HzMotor rated power: 250 WRated speed: 2865 rpmRated current: 0.67 AStarting type: Direct (DOL)Max. switching frequency: 20 Motor diameter: 95.25 mmMin. flow velocity at motor: 0.08 m/sCableConnection cable length: 1.5 mCable cross-section: 3x1!,5 + 1G1!,5 mm²MaterialsPump casing: Stainless steelMotor casing: Stainless steelShaft: Stainless steelImpeller: PPEOrdering informationNet weight approx.: 8.9 kgMake: WiloArticle number: 6091413