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Wilo Sub TWU 3 Stainless Steel Submersible Deep-Well Pump (3-inch)

Sub TWU 3-0115-DM、Sub TWU 3-0115-EM、Sub TWU 3-0123-DM、Sub TWU 3-0123-EM、Sub TWU 3-0130-DM、Sub TWU 3-0130-EM、Sub TWU 3-0145-DM

The Wilo-Sub TWU 3 stainless steel submersible deep-well pump is specifically designed for narrow boreholes (3 inches and larger),making it an ideal solution for domestic water supply,agricultural irrigation,and small-scale water extraction projects.Featuring a fully stainless steel,multistage construction,the pump offers exceptional corrosion resistance and an extended service life; its high-efficiency hydraulic design ensures stable head and flow rates with low energy consumption
Function
Parameters
Size
Video Introduction

Function

Features/Product Advantages

Corrosion-resistant wetted parts
Integrated non-return valve
Rewindable, easy-maintenance motor

Construction

Multistage 3" submersible pump with jacketed design; suitable for vertical or horizontal installation

Applications

Pumping rainwater and industrial water from boreholes and wells for sprinkling, irrigation, and water supply.

Equipment/Functions

Integrated non-return valve
Single-phase AC motor; capacitor box includes built-in thermal motor protection and On/Off switch

Model Code

Example:

Wilo-Sub TWU 3-0115-EM

TWU

series

3

Hydraulic component diameter, unit: inches ["]

01

Rated volumetric flow rate [m³/h]

15

Number of hydraulic stages

EM

Power connection:

EM = Single-phase AC
DM = Three-phase AC

Technical Data

Power connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
Operation mode (submerged): S1
Fluid temperature: 3 ... 35 °C
Minimum flow velocity at motor: 0.08 m/s
Max. sand content: 50 g/m³
Max. starts per hour: 30/h
Max. immersion depth: 150 m
Protection class: IP58
Pressure connection: Rp1

Materials

Hydraulics housing: 1.4301
Impeller: Polycarbonate
Hydraulics shaft: 1.4104
Motor housing: 1.4301
Motor shaft: 1.4305

Type

Submersible pump suitable for vertical or horizontal installation.

Hydraulics

Multistage submersible pump with sectional construction, featuring radial impellers and an integrated non-return valve. Pressure connection with threaded flange and internal thread. All wetted parts are made of corrosion-resistant materials.

Motor

Single-phase or three-phase AC motor for direct-on-line starting. The oil-filled motor is rewindable and equipped with self-lubricating bearings.

Cooling

The motor is cooled by the surrounding fluid. The pump must operate fully submerged.
Vertical installation is possible with or without a cooling shroud.
Horizontal installation requires the use of a cooling shroud.

Scope of delivery

Hydraulic unit + motor (ready-to-install)
1.8 m power cable
Control box (capacitor box) for single-phase AC models
Installation and operating instructions

Accessories

Cooling shroud
Diaphragm pressure vessel
Gate valve
Float switch
Pressure switch
Electrodes
Switchgear
Alarm device
Cast-resin kit
Power cable

Parameters

model Voltage
(V)
Flow rate
(m³/h)
Head
(m)
Power
(kW)
Rotational speed (rpm) Diameter (mm) caliber
Sub TWU 3-0115-DM 380V 1.03 38.5 0.37 2800 72 Rp 1
Sub TWU 3-0115-EM 220V 1.03 38.5 0.37 2800 72 Rp 1
Sub TWU 3-0123-DM 380V 0.98 59 0.55 2800 72 Rp 1
Sub TWU 3-0123-EM 220V 0.98 59 0.55 2800 72 Rp 1
Sub TWU 3-0130-DM 380V 0.98 77 0.75 2800 72 Rp 1
Sub TWU 3-0130-EM 220V 0.98 77 0.75 2800 72 Rp 1
Sub TWU 3-0145-DM 380V 0.98 116 1.1 2800 72 Rp 1

Size

Video Introduction

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