Wilo-Sub TWU 4-...-GT

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Wilo-Sub TWU 4-…-GT

Wilo-Sub TWU 4-…-GT

Multistage 4″ submersible pump in jacketed construction for vertical and horizontal installation, optimised for geothermal applications.

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Description

Multistage 4″ submersible pump in jacketed construction for vertical and horizontal installation, optimised for geothermal applications.
Advantages
- Low operating costs due to optimised hydraulics and efficient motors for targeted use in geothermal applications
- High annual performance factor (JAZ) through increased system effectiveness
- High operational reliability thanks to floating impellers and integrated non-return valve
- Easy installation via Quick Connect variant for quick and easy extension of the motor cable

Technical Features

Design

Multistage 4″ submersible pump in jacketed construction for vertical and horizontal installation, optimised for geothermal applications.

Application

For pumping thermal water from boreholes or springs for water supply in geothermal applications.

Typekey

Example:	Wilo-Sub TWU 4.02-03-DM-D-QC-GT
TWU	Series
4	Diameter of the hydraulic unit in inches [“]
02	Rated volume flow [m³/h]
03	Number of hydraulic stages
D	Series generation
QC	Version with Quick Connect cable
GT	Optimised for geothermal applications

Technical Data

Mains connection: 3~400 V, 50 Hz
Submerged operating mode: S1
Fluid temperature: 3 – 30 °C
Minimum flow rate at motor: 0.08 m/s
Max. sand content: 50 g/m³
Max. number of starts: 20/h
Max. immersion depth: 200 m
Protection class: IP68
Discharge port: Rp 1¼

Equipment/function

Integrated non-return valve
Discharge port according to NEMA

Materials

Hydraulics housing: 1.4301
Impellers: Noryl
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 or semi-axial 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

Three-phase current motor for direct starting. Sealed motor with lacquer-insulated, resin-covered winding, water-glycol filling and 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

Downloads

Why Wilo Pumps…

Self-Priming

Convenient

Highly-Efficient

Noise-Free

Diversity

Optimised Design

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Wilo-Sub TWU 4-…-GT

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Why Wilo Pumps…

What Trebles Customers Think

Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.

The team at Trebles were great. I really can’t praise them enough.

Not many providers would be able to fully breakdown & rebuild a booster on site

We relied on Trebles expertise to ensure the right products were sourced for our project.

Top workmanship and a professional attitude from a supportive team

Excellent customer service again! You genuinely make my life so much easier

Excellent service and a company I would recommend to anyone in future

Engineers were very professional with an excellent knowledge of their trade

We’re writing to express our sincere thanks to all who help ensure our hospitals are able to run smoothly

Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.

The team at Trebles were great. I really can’t praise them enough.

Not many providers would be able to fully breakdown & rebuild a booster on site

We relied on Trebles expertise to ensure the right products were sourced for our project.

Top workmanship and a professional attitude from a supportive team

Excellent customer service again! You genuinely make my life so much easier

Excellent service and a company I would recommend to anyone in future

Engineers were very professional with an excellent knowledge of their trade

We’re writing to express our sincere thanks to all who help ensure our hospitals are able to run smoothly

Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.

The team at Trebles were great. I really can’t praise them enough.

Not many providers would be able to fully breakdown & rebuild a booster on site

Wilo-Sub TWU 4-…-GT

Why Wilo Pumps…

What Trebles Customers Think

We relied on Trebles expertise to ensure the right products were sourced for our project.

Top workmanship and a professional attitude from a supportive team

Excellent customer service again! You genuinely make my life so much easier

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