Wilo TWU 3-0115, EM, Borehole Pump

Description

Fully submersible, multi-stage borehole pump with radial impellers in articulated construction for vertical or horizontal installation, with integrated non-return valve. Corrosion-free single-phase or three-phase direct-start motor, with rewindable, oil-filled motor and self-lubricating bearings. 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 150 m and a maximum sand amount of 50 g/m³.

Hydraulic Data

• Maximum operating pressure PN: 5 bar
• Max. sand content: 50 g/m³
• Max. immersion depth: 150 m
• My. medium temperature Tmin: 3 °C
• Max. medium temperature Tmax: 35 °C

Engine Data

• Mains connection: 1~230 V, 50 Hz
• Motor rated power P2: 0.37 kW
• Rated speed n: 2800 1/min
• Rated current IN: 3.75 A
• Starting current I: 8.8 A
• Max. breaking frequency t: 30 1/h
• Protection class motor: IP58
• Motor diameter DM: 72 mm
• My. flow rate at the motor m/s: 0.08 m/s

Cable

• Length of connection cable: 1.8 m
• Cable cross-section: 4G1.5 mm²

Material

• Pump housing: stainless steel
• Impeller: PC
• Shaft: stainless steel
• Material motor: stainless steel

Measure

• Length: 957mm
• Height/ Width: Ø 74mm
• A = vertical,   B = vertical with cooling jacket,   D = horizontal with cooling jacket