Sub TWU 4

Submersible pump

Multistage 4" submersible pump in jacketed construction for vertical and horizontal installation

Wilo-Sub TWU 4

Number of results: [44]

Mains connection

1~230 V, 50 Hz [16]

3~400 V, 50 Hz [28]

Rated power P₂

0.37 kW [4]

0.55 kW [4]

0.75 kW [6]

1.1 kW [6]

1.5 kW [6]

2.2 kW [6]

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-DM-C	3~400 V, 50 Hz	4 in (")	14	0.75 kW	≥ 0.7	Rp 1¼	6046686
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 (")	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

Design

Multistage 4" submersible pump in jacketed construction 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

Type key

Example:	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 current DM = Three-phase current
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
IP rating: 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

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
1.5/1.75/2.5/4.0 m connection cable
Single-phase version including switchbox with capacitor, thermal motor protection and On/Off switch
Installation and operating instructions

Accessories

Cooling shroud
Diaphragm expansion tank
Gate valve
Float switch
Pressure switch
Electrode
Switchgear
Alarm switchgear
Casting resin kit
Connection cable

Sub TWU 4

Submersible pump

Design

Application

Equipment/function

Type key

Technical data

Materials

Construction

Scope of delivery

Accessories

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Datasheet and documentation

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