Rainwater utilisation, water distribution/
boosting, clean water treatment,
raw water intake, desalination,
professional irrigation/agriculture
Product Description
Submersible pump, multistage
Water supply (including drinking water
supply) from boreholes and rainwater
storage tanks; municipal and industrial
water supply; sprinkling and irrigation;
pressure boosting; lowering the ground
water level; pumping of water without
long-fibre or abrasive components
Volume flow Q max. 165 m3/h
Delivery head H max. 500 m
Mains connection: 1~230 V, 50 Hz
(only TWI 4 …) or 3~400 V, 50 Hz
Immersed operating mode: S1
Fluid temperature: 3-20 °C or 3-30 °C
Min. flow rate at motor: 0.08-0.5 m/s
Max. sand content: 50 g/m³
Up to 10 or 20 starts per hour
Max. immersion depth: 100-350 m
Minimum efficiency index MEI: up to ≥ 0.7 (for the series TWI 4 and TWI 6)
Multistage submersible pump with
radial or semi-axial impellers
Integrated non-return valve
NEMA coupling
Single-phase or three-phase AC motor
Corrosion-resistant thanks to stainless steel version
Flexible installation thanks to vertical
and horizontal installation
Easy installation due to integrated non-return valve
Large performance range
ACS approval for TWI 4 for drinking water application
