PDF: Wilo-Sub TWI 4

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DIN A4

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Special features/product advantages
  • Long service life thanks to corrosion-resistant stainless steel, optionally in V4A quality
  • ACS certified for drinking water applications
  • A high degree of flexibility thanks to versions in the 4, 6, 8 and 10-inch area
  • High range of performance from 1 to 250 m³/h

Design

Multistage 4" submersible pump in tie strap version for vertical or horizontal installation

Application

  • For water and drinking water supply from boreholes and rainwater storage
  • Process water supply
  • For municipal water supply, sprinkling and irrigation
  • Pressure boosting
  • Lowering the water level
  • For pumping water in industrial applications
  • For pumping water without long-fibre and abrasive constituents

Technical data

  • Minimum Efficiency Index (MEI) to ≥ 0.7
  • Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
  • Submerged operating mode: S1
  • Fluid temperature: 3 – 30 °C
  • Minimum flow rate at motor: 0.1 m/s
  • Max. sand content: 50 g/m3
  • Max. number of starts: 20/h
  • Max. immersion depth: 150 m
  • Protection class: IP68
  • Pressure connection: Rp 1¼ – Rp 2


Type key

E.g.Wilo-Sub TWI 4.01-09-CI
TWISubmersible pump
4Diameter of the hydraulic unit in inches ["]
01Rated volume flow [m3/h]
09Number of hydraulic stages
CSeries generation
IMotor shroud in 1.4571, motor connection via flat motor socket


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