






Wilo-Sub TWU 3
Multistage 3″ submersible pump in jacketed construction for vertical or horizontal installation.
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Description
Multistage 3″ submersible pump in jacketed construction for vertical or horizontal installation.
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Advantages
- Parts that come in contact with fluids are corrosion-free
- Integrated non-return valve
- Maintenance-friendly, rewindable motor
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Technical Features
Design
Multistage 3″ submersible pump in jacketed construction for vertical or horizontal installation
Application
For pumping rainwater and industrial water from boreholes and wells for sprinkling, irrigation and water supply.
Typekey
Example: Wilo-Sub TWU 3-0115-EM TWU Series 3 Diameter of the hydraulic unit in inches [“] 01 Rated volume flow [m3/h] 15 Number of hydraulic stages EM Mains connection: - EM = Single-phase current
- DM = Three-phase current
Technical Data
- Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
- Submerged operating mode: S1
- Fluid temperature: 3 … 35 °C
- Minimum flow rate at motor: 0.08 m/s
- Max. sand content: 50 g/m3
- Max. number of starts: 30/h
- Max. immersion depth: 150 m
- Protection class: IP58
- Discharge port: Rp1
Equipment/function
- Integrated non-return valve
- Single-phase current motor with capacitor box with thermal motor protection and on/off switch
Materials
- Hydraulics housing: 1.4301
- Impellers: Polycarbonate
- Hydraulic shaft: 1.4104
- Motor housing: 1.4301
- Motor shaft: 1.4305
Construction
Submersible pump for vertical or horizontal installation.
Hydraulics
Multistage submersible pump with radial impellers in sectional construction and integrated non-return valve. Discharge port with threaded flange and female thread. All parts that come in contact with the fluid are made of corrosion-free materials.
Motor
Single-phase or three-phase current motor for direct starting. The oil-filled motor is rewindable and has self-lubricating motor bearings.
Cooling
- The motor is cooled by the pumped fluid. Always operate the pump in a submerged state.
- Vertical installation is possible with or without cooling jacket.
- Horizontal installation must be performed in conjunction with a cooling jacket.
Accessories
- Cooling shroud
- Diaphragm expansion tank
- Gate valve
- Float switch
- Pressure switch
- Electrode
- Switchgear
- Alarm switchgear
- Casting resin kit
- Connection cable
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Downloads
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Why Wilo Pumps…
Self-Priming
Convenient
Highly-Efficient
Noise-Free
Diversity
Optimised Design
What Trebles Customers Think
Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.
Carl Berridge – MD, Powergas
The team at Trebles were great. I really can’t praise them enough.
Richard Beard – Club Secretary, Belvedere Park FC
Not many providers would be able to fully breakdown & rebuild a booster on site
Clive Bradley – Senior Contracts Engineer, JS Wright
We relied on Trebles expertise to ensure the right products were sourced for our project.
Matthew Gidley – Senior Contracts Engineer, JS Wright
Top workmanship and a professional attitude from a supportive team
Richard Leek – Project Manager, Marshdale
Excellent customer service again! You genuinely make my life so much easier
Anthony Gooding – Director, HSP
Excellent service and a company I would recommend to anyone in future
Jason Goldsmith – Supervisor, Interserve
Engineers were very professional with an excellent knowledge of their trade
Martin Deakin – Gas Surveyor, Bromford
We’re writing to express our sincere thanks to all who help ensure our hospitals are able to run smoothly
Richard Hill – Estates Manager, London Road Community Hospital
Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.
Carl Berridge – MD, Powergas
The team at Trebles were great. I really can’t praise them enough.
Richard Beard – Club Secretary, Belvedere Park FC
Not many providers would be able to fully breakdown & rebuild a booster on site
Clive Bradley – Senior Contracts Engineer, JS Wright
We relied on Trebles expertise to ensure the right products were sourced for our project.
Matthew Gidley – Senior Contracts Engineer, JS Wright
Top workmanship and a professional attitude from a supportive team
Richard Leek – Project Manager, Marshdale
Excellent customer service again! You genuinely make my life so much easier
Anthony Gooding – Director, HSP
Excellent service and a company I would recommend to anyone in future
Jason Goldsmith – Supervisor, Interserve
Engineers were very professional with an excellent knowledge of their trade
Martin Deakin – Gas Surveyor, Bromford
We’re writing to express our sincere thanks to all who help ensure our hospitals are able to run smoothly
Richard Hill – Estates Manager, London Road Community Hospital
Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.
Carl Berridge – MD, Powergas
The team at Trebles were great. I really can’t praise them enough.
Richard Beard – Club Secretary, Belvedere Park FC
Not many providers would be able to fully breakdown & rebuild a booster on site
Clive Bradley – Senior Contracts Engineer, JS Wright