Wilo-Sub TWU 3

Wilo-Sub TWU 3 - 3" Multistage Submersible Pump

The Wilo-Sub TWU 3 is a powerful submersible pump designed for pumping rainwater and domestic water from wells and boreholes. It is ideal for applications such as irrigation, sprinklers and water supply. Thanks to its versatility, the pump will work well in installations with limited access, ensuring reliability and ease of maintenance.

Benefits

• Corrosion-resistant parts in contact with the medium
• Integrated backflow protection
• Easy maintenance of the motor, which is rewireable

Type of Design

Multistage 3" jacketed submersible pump for vertical or horizontal installation.

Application

Designed for pumping rainwater and domestic water from boreholes and wells, used in:

• Rain showers
• Garden irrigation
• Domestic water supply

Equipment and Features

• Integrated backflow protection
• Single-phase alternating current with condenser box
• Thermal motor protection and on/off switch

Type Designation

Example: Wilo-Sub TWU 3-0115-EM

• TWU - series
• 3 - hydraulic diameter in inches
• 011 - rated volumetric flow [m³/h]
• 15 - number of hydraulic stages
• EM - single-phase AC motor (DM versions for three-phase also possible)

Technical Data

• Supply voltage: 1~230 V, 50 Hz or 3~400 V, 50 Hz
• Operating mode - submerged: S1
• Media temperature: 3 ... 35°C
• Minimum flow at motor: 0.08 m/s
• Max. sand content: 50 g/m³
• Max. number of starts: 30/h
• Max. depth of immersion: 150 m
• Degree of protection: IP58
• Discharge connection: Rp1

Materials

• Hydraulic body: Made of stainless steel 1.4301
• Impellers: Polycarbonate
• Hydraulic shaft: 1.4104
• Motor body: 1.4301
• Motor shaft: 1.4305

Design

Wilo-Sub TWU 3 is a multistage submersible pump with segmented radial impellers, equipped with integrated backflow protection. The discharge connection has a threaded flange and female thread, and all parts in contact with the medium are made of corrosion-resistant materials.

The motor operates in direct start mode, is filled with oil and equipped with self-lubricating bearings. The motor is cooled through the medium - a cooling jacket is required for horizontal mounting, and an optional cooling jacket is required for vertical mounting.

Scope of Delivery

• Hydraulics including motor ready for installation
• Power cable with a length of 1.8 m
• Junction box (condenser box) for single-phase version
• Installation and operating instructions

Additional equipment

• Cooling jacket
• Pressure diaphragm vessel
• Shut-off valve
• Float switch
• Pressure switch
• Electrode
• Control device
• Alarm device
• Resin flooded kit
• Power cable (additional)

With its robust design, corrosion resistance and advanced features, the Wilo-Sub TWU 3 provides a reliable solution for pumping rainwater and domestic water, ensuring high efficiency and long service life even under heavy use. Explore the full range at sps24.eu - your source for professional plumbing solutions.