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
Recommended services
Design
Multistage 4" submersible pump with quick connection cable in shroud design for vertical and horizontal installation
Application
For pumping rainwater and industrial water from boreholes and wells for irrigation, sprinkling and water supply.
Equipment/function
- Integrated non-return valve
- Discharge port acc. to NEMA
- Single-phase AC version including switchbox with thermal motor protection
Typekey
Excample | 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 AC motor DM = Three-phase AC motor |
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. submersion depth: 200 m
- Protection class: IP68
- Pressure connection: Rp 1¼ - Rp 2
Materials
- Hydraulics housing: 1.4301
- Impellers: Noryl
- Hydraulics shaft: 1.4104
- Motor housing: 1.4301
- Motor shaft: 1.4305
Construction
Submersible motor pump for vertical or horizontal installation.
Hydraulics
Multistage submersible motor pump with radial or semi-axial impellers in sectional design and integrated non-return valve. Discharge port with threaded flange and internal thread. All parts in contact with the fluid are made of corrosion-free materials.
Motor
Single-phase or three-phase AC motor for direct starting. Encapsulated motor with enamel-insulated, resin-impregnated winding, water-glycol filling and self-lubricating motor bearings.
Cooling
- The motor is cooled by the pumped fluid. Operate the motor always immersed.
- 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 connection cable
- Single-phase version including switchbox with capacitor, thermal motor protection and On/Off switch
- Installation and operating instructions
Accessories
- Cooling jacket
- Diaphragm pressure vessel
- 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 (279 KB)