Wilo TWU 4.08-15-EM-C, Borehole Pump
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Wilo TWU 4.08-15-EM-C, Borehole Pump
Description
Fully submersible, multi-stage borehole pump with radial or semi-axial impellers in articulated construction for vertical or horizontal installation, with integrated non-return valve. Corrosion-free single-phase or three-phase motor for direct start with water-glycol filling. Hermetically sealed with varnish-insulated winding, resin-impregnated and self-lubricating layer. The motor is cooled by the medium. The unit must always be used submerged. For horizontal installation, cooling jackets must be used :For pumping water out of boreholes with a maximum immersion depth of 200 m and a maximum sand amount of 50 g/m³.
Hydraulic Data
- Minimum Effectiveness Index (MEI): ≥0.4
- Maximum operating pressure PN: 11 bar
- Max. sand content: 50 g/m³
- Max. immersion depth: 200 m
- Flow max. Qmax: 13.0 m³/h
- Optimal flow Qopt: 7.2 m³/h
- Call height max. Hmax: 93.3 m
- Optimum call height Hopt: 69.63 m
- My. medium temperature Tmin: 3 °C
- Max. medium temperature Tmax: 30 °C
- Number of pump steps: 15
Engine Data
- Mains connection: 1~230 V, 50 Hz
- Motor rated power P2: 2.2 kW
- Rated speed n: 2869 1/min
- Rated current IN: 14.8 A
- Starting current I: 53 A
- Capacity factor: 0.94
- Max. breaking frequency t: 20 1/h
- Motor diameter DM: 98 mm
Cable
- Length of connection cable: 2.5 m
- Cable cross-section: 4G1.5 mm²
Material
- Pump housing: stainless steel
- Impeller: PPE
- Shaft: stainless steel
- Material motor: stainless steel
Installation Dimensions
- Pipe connection on the pressure side: Rp 2
Measure
- H: 1070mm
- H1: 640mm