Submersible pump Wilo-Sub TWU 4-0409-C DM 6049350

Submersible pump for wells and water supply

Wilo-Sub TWU 4-0409-C DM is a reliable submersible pump designed to increase pressure and lower water levels in wells, as well as to pump clean water. Its multi-stage impeller design ensures efficient operation and high performance, while robust materials guarantee long service life even under demanding conditions. This model is suitable for both residential installations and larger-scale water supply systems.

Construction and application

The Wilo-Sub TWU 4-0409-C DM pump is designed for vertical or horizontal installation, facilitating easy adaptation to various well configurations. Constructed from high-quality stainless steel (housing) and polypropylene (impeller), it is resistant to corrosion and mechanical damage. It is intended for pumping clean water free from long-fibered or abrasive contaminants, making it ideal for potable water supply systems, garden irrigation, and industrial applications requiring stable water pressure. Electrical connection is made via a cable with a plug, simplifying installation.

Key features and benefits

• Performance: Maximum pump output of 6 m³/h and maximum head of 59 meters ensure adequate water flow and pressure even in deep wells.
• Durability: Housing made of stainless steel 304 (1.4301) and impeller made of polypropylene (PP) guarantee corrosion resistance and long-term operation.
• Versatility: Ability to install vertically or horizontally allows easy adaptation to specific installation conditions.
• Protection: IP68 protection rating ensures complete sealing and safe operation even when fully submerged in water up to 200 meters depth.
• Energy efficiency: Motor power of 0.75 kW and supply voltage of 400 V provide optimal energy consumption while maintaining high performance.
• Contaminant tolerance: Pump is designed to handle water containing up to 50 grams of sand per cubic meter, enhancing reliability under harsh operating conditions.
• Safety: Class B insulation and thermal motor protection safeguard the pump against overheating and damage.
• Connection: Standard BSPT-Rc threaded connection with 1¼ inch (32 mm) diameter simplifies integration with existing hydraulic systems.
• Maximum cycle count: Designed for continuous operation or frequent cycling — up to 20 cycles per hour.

The Wilo-Sub TWU 4-0409-C DM pump is a robust solution for anyone requiring a reliable water source from a well or other underground reservoir. Its construction and technical parameters guarantee long-lasting, efficient operation, while its versatility ensures application across a wide range of installations.