Submersible pump Wilo-Sub TWU 4-0407-C DM 6049349

Submersible Pump for Wells and Tanks – Reliability in Every Submersion

The Wilo-Sub TWU 4-0407-C DM is a three-phase submersible pump designed for efficient water extraction from deep wells and tanks. The device features a robust construction and high reliability, making it an ideal solution for both installers and end users. It is particularly recommended for applications requiring stable pressure and long-term efficient operation.

Construction and Application

The Wilo-Sub TWU 4-0407-C DM is a multistage pump with radial impellers, suitable for vertical or horizontal operation. Constructed from high-quality stainless steel (grade 304), it offers excellent corrosion resistance and long-term durability even under harsh conditions. The pump motor is hermetically sealed with a water-glycol mixture, ensuring effective cooling and protection against damage. Motor cooling is achieved through the flowing water, making continuous submersion during operation essential. For horizontal installation, a cooling jacket must be used.

This pump is suitable for:

• Supplying drinking water from deep wells with a maximum submersion depth of 200 meters.
• Lowering water levels in excavations and tanks.
• Irrigation systems for gardens and agricultural crops.
• Industrial installations requiring a reliable water source.
• Fire protection systems (after appropriate configuration).

Key Features and Benefits

• Performance: Maximum pump output of 6 m³/h and maximum head of 46 meters, enabling efficient water lifting even from great depths.
• Contamination Resistance: Designed to operate in water containing up to 50 grams of sand per cubic meter, minimizing the risk of damage and ensuring long-term trouble-free operation.
• Safety: The motor is equipped with thermal protection against overload, and the IP68 protection rating guarantees full sealing and safe operation even in fully submerged environments.
• Durability: Use of high-quality materials—stainless steel (housing) and polypropylene (impeller)—ensures long service life and resistance to corrosion and mechanical damage.
• Easy Installation: The pump is supplied with a power cable certified for potable water use and a connection box (in DM version), simplifying installation and electrical connection.
• Versatility: Ability to install vertically or horizontally increases installation flexibility and allows adaptation to various spatial conditions.
• Optimized Operation: Nominal flow rate (BEP) of 3.666 m³/h at a head of 321.46 kPa ensures optimal energy efficiency of the device.

The Wilo-Sub TWU 4-0407-C DM is an investment in a reliable water source that ensures user comfort for many years. Its robust construction, high performance, and resistance to demanding conditions make it the ideal choice for professional installers and demanding end users.