Wilo-Sub TWU 4 | Wilo

Wilo-Sub TWU 4

Wilo-Sub TWU 4

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

Recommended services

Wilo-Live Assistant

Sub TWU 4

Design

Multistage 4" submersible pump 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

E.g.	Wilo-Sub TWU 4.02-07-EM-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
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
1.5/1.75/2.5/4.0 m 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)

Wilo-EMU

Article Number	6080454
Edition	1702
Number of pages	8
Language	language neutral

PDF (417 KB)

Group Statement

Group Statement REACH

Edition	2021-05
Number of pages	5
Language	language neutral

PDF (279 KB)

Number of results: 44

Mains connection

1~230 V, 50 Hz [16]

3~400 V, 50 Hz [28]

Rated power P₂

0.37 … 7.5 kW

[44]

Product description	Mains connection	Motor diameter Ø	Number of stages	Rated power P₂	Minimum efficiency index (MEI)	Connection	Article number
Sub TWU 4.02-07-DM-C	3~400 V, 50 Hz	4 in (")	7	0.37 kW	≥0.7	Rp 1¼	6046688
Sub TWU 4.02-07-EM-C	1~230 V, 50 Hz	4 in (")	7	0.37 kW	≥0.7	Rp 1¼	6046661
Sub TWU 4.02-10-DM-C	3~400 V, 50 Hz	4 in (")	10	0.55 kW	≥0.7	Rp 1¼	6046687
Sub TWU 4.02-10-EM-C	1~230 V, 50 Hz	4 in (")	10	0.55 kW	≥0.7	Rp 1¼	6046690
Sub TWU 4.02-14-EM-C	1~230 V, 50 Hz	4 in (")	14	0.75 kW	≥0.7	Rp 1¼	6046689
Sub TWU 4.02-20-DM-C	3~400 V, 50 Hz	4 in (")	14	0.75 kW	≥0.7	Rp 1¼	6046686
Sub TWU 4.02-20-DM-C	3~400 V, 50 Hz	4 in (")	20	1.1 kW	≥0.7	Rp 1¼	6049347
Sub TWU 4.02-20-EM-C	1~230 V, 50 Hz	4 in (")	20	1.1 kW	≥0.7	Rp 1¼	6049336
Sub TWU 4.04-05-DM-C	3~400 V, 50 Hz	4 in (")	5	0.37 kW	≥0.7	Rp 1¼	6049348
Sub TWU 4.04-05-EM-C	1~230 V, 50 Hz	4 in (")	5	0.37 kW	≥0.7	Rp 1¼	6049337
Sub TWU 4.04-07-DM-C	3~400 V, 50 Hz	4 in (")	7	0.55 kW	≥0.7	Rp 1¼	6049349
Sub TWU 4.04-07-EM-C	1~230 V, 50 Hz	4 in (")	7	0.55 kW	≥0.7	Rp 1¼	6049338
Sub TWU 4.04-09-DM-C	3~400 V, 50 Hz	4 in (")	9	0.75 kW	≥0.7	Rp 1¼	6049350
Sub TWU 4.04-09-EM-C	1~230 V, 50 Hz	4 in (")	9	0.75 kW	≥0.7	Rp 1¼	6049339
Sub TWU 4.04-14-DM-C	3~400 V, 50 Hz	4 in (")	14	1.1 kW	≥0.7	Rp 1¼	6049351
Sub TWU 4.04-14-EM-C	1~230 V, 50 Hz	4 in (")	14	1.1 kW	≥0.7	Rp 1¼	6049340
Sub TWU 4.04-18-DM-C	3~400 V, 50 Hz	4 in (")	18	1.5 kW	≥0.7	Rp 1¼	6049352
Sub TWU 4.04-18-EM-C	1~230 V, 50 Hz	4 in (")	18	1.5 kW	≥0.7	Rp 1¼	6049341
Sub TWU 4.04-27-DM-C	3~400 V, 50 Hz	4 in (")	27	2.2 kW	≥0.7	Rp 1¼	6049353
Sub TWU 4.04-27-EM-C	1~230 V, 50 Hz	4 in (")	27	2.2 kW	≥0.7	Rp 1¼	6049342
Sub TWU 4.04-35-DM-C	3~400 V, 50 Hz	4 in (")	35	3 kW	≥0.7	Rp 1¼	6049354
Sub TWU 4.04-44-DM-C	3~400 V, 50 Hz	4 in (")	44	4 kW	≥0.7	Rp 1¼	6049355
Sub TWU 4.04-48-DM-C	3~400 V, 50 Hz	4 in (")	48	4 kW	≥0.7	Rp 1¼	6049356
Sub TWU 4.08-05-DM-C	3~400 V, 50 Hz	4 in (")	5	0.75 kW	≥0.4	Rp 2	6081623
Sub TWU 4.08-05-EM-C	1~230 V, 50 Hz	4 in (")	5	0.75 kW	≥0.4	Rp 2	6081619
Sub TWU 4.08-07-DM-C	3~400 V, 50 Hz	4 in (")	7	1.1 kW	≥0.4	Rp 2	6081624
Sub TWU 4.08-07-EM-C	1~230 V, 50 Hz	4 in (")	7	1.1 kW	≥0.4	Rp 2	6081620
Sub TWU 4.08-10-DM-C	3~400 V, 50 Hz	4 in (")	10	1.5 kW	≥0.4	Rp 2	6081625
Sub TWU 4.08-10-EM-C	1~230 V, 50 Hz	4 in (")	10	1.5 kW	≥0.4	Rp 2	6081621
Sub TWU 4.08-15-DM-C	3~400 V, 50 Hz	4 in (")	15	2.2 kW	≥0.4	Rp 2	6081626
Sub TWU 4.08-15-EM-C	1~230 V, 50 Hz	4 in (")	15	2.2 kW	≥0.4	Rp 2	6081622
Sub TWU 4.08-21-DM-C	3~400 V, 50 Hz	4 in (")	21	3 kW	≥0.4	Rp 2	6081627
Sub TWU 4.08-29-DM-C	3~400 V, 50 Hz	4 in (")	29	5.5 kW	≥0.4	Rp 2	6081628
Sub TWU 4.08-34-DM-C	3~400 V, 50 Hz	4 in (")	34	5.5 kW	≥0.4	Rp 2	6081629
Sub TWU 4.08-39-DM-C	3~400 V, 50 Hz	4 in (")	39	5.5 kW	≥0.4	Rp 2	6081630
Sub TWU 4.08-45-DM-C	3~400 V, 50 Hz	4 in (")	45	7.5 kW	≥0.4	Rp 2	6081631
Sub TWU 4.08-51-DM-C	3~400 V, 50 Hz	4 in (")	51	7.5 kW	≥0.4	Rp 2	6081632
Sub TWU 4.16-08-DM-C	3~400 V, 50 Hz	4 in (")	8	1.5 kW	≥0.4	Rp 2	6082864
Sub TWU 4.16-08-EM-C	1~230 V, 50 Hz	4 in (")	8	1.5 kW	≥0.4	Rp 2	6082862
Sub TWU 4.16-12-DM-C	3~400 V, 50 Hz	4 in (")	12	2.2 kW	≥0.4	Rp 2	6082865
Sub TWU 4.16-12-EM-C	1~230 V, 50 Hz	4 in (")	12	2.2 kW	≥0.4	Rp 2	6082863
Sub TWU 4.16-16-DM-C	3~400 V, 50 Hz	4 in (")	-	3 kW	≥0.4	Rp 2	6082866
Sub TWU 4.16-21-DM-C	3~400 V, 50 Hz	4 in (")	21	4 kW	≥0.4	Rp 2	6082867
Sub TWU 4.16-30-DM-C	3~400 V, 50 Hz	4 in (")	30	5.5 kW	≥0.4	Rp 2	6082868

Wilo-Sub TWU 4

Your advantages

Recommended services

Wilo-Live Assistant

Design

Application

Equipment/function

Typekey

Technical data

Materials

Construction

Scope of delivery

Accessories

Typekey

Technical data

Materials

Construction

Scope of delivery

Accessories

Installation and operating instructions

Wilo-Sub TWU ..., TWU 4-...-QC, TWU 4-...-P&P

Wilo-Sub TWU ..., TWU 4-...-QC, TWU 4-...-P&P

Certification booklet

Wilo-Sub TWU 4

Wilo-EMU

Group Statement

Group Statement REACH

Mains connection

Rated power P2

Rated power P₂