Wilo-Sub TWU 4-QC
Your advantages
- Parts that come in contact with fluids are corrosion-free
- Integrated non-return valve
- Low-wearing due to floating impellers
- Maintenance-friendly motor
- Quick and easy extension of motor cable, without dismantling the hydraulics
Design
Multistage 4" submersible pump with quick-connecting cable in a jacketed design for vertical and horizontal installation
Application
For pumping rainwater and industrial water from boreholes and wells for sprinkling, irrigation and water supply.
Equipment/function
- Integrated non-return valve
- Discharge port according to NEMA
- Single-phase current motor with capacitor box with thermal motor protection
Typekey
Example: | Wilo-Sub TWU 4.02-07-EM-QC-C |
TWU | Series |
4 | Diameter of the hydraulic unit in inches ["] |
02 | Rated volume flow [m3/h] |
07 | Number of hydraulic stages |
EM | Mains connection: EM = Single-phase current DM = Three-phase current |
QC | Version with Quick Connect cable |
C | Series generation |
Technical data
- Mains connection: 1~230 V, 50 Hz or 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 – Rp 2
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
Single-phase or 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.
Scope of delivery
- Hydraulics + motor completely assembled
- 1.5 or 1.75 m Quick Connect cable
- Single-phase version including switchbox with capacitor, thermal motor protection and On/Off switch
- Installation and operating instructions
Accessories
- Cooling shroud
- Diaphragm expansion tank
- Gate valve
- Float switch
- Pressure switch
- Electrode
- Switchgear
- Alarm switchgear
- Casting resin kit
- Connection cable
Installation and operating instructions
Wilo-Sub TWU ..., TWU 4-...-QC, TWU 4-...-P&P
| Article Number | 2019023 |
| Edition | 1103 |
| Number of pages | 384 |
| Language | da, en, et, fi, lv, mk, no, pt, sl, sr |
PDF (2 MB)Wilo-Sub TWU ..., TWU 4-...-QC, TWU 4-...-P&P
| Article Number | 2019023 |
| Edition | 1103 |
| Number of pages | 30 |
| Language | en |
PDF (565 KB)Certification booklet
Wilo-Sub TWU 4
| Article Number | 6080453 |
| Edition | 1701 |
| Number of pages | 8 |
| Language | language neutral |
PDF (510 KB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (327 KB)