Centrifugal pump Sub TWU 3 series

waterelectricsubmersible

Product
Sub TWU 3 — Submersible pump

Key features

• Parts that come in contact with fluids are corrosion-free
• Integrated non-return valve
• Maintenance-friendly, rewindable motor

Design
Multistage 3" submersible pump in jacketed construction for vertical or 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
• Single-phase current motor with capacitor box with thermal motor protection and on/off switch

Type key (example)
Example: Wilo-Sub TWU 3-0115-EM
TWU = Series
3 = Diameter of the hydraulic unit in inches ["]
01 = Rated volume flow [m3/h]
15 = Number of hydraulic stages
EM = Mains connection (EM = Single-phase current, DM = Three-phase current)

Product variants (excerpt)
Product description | Mains connection | Motor diameter Ø | Number of stages | Rated power P2 | Connection | Article number
Sub TWU 3-0115-DM | 3~400 V, 50 Hz | 3 in (") | — | 0.37 kW | Rp 1 | 4090892
Sub TWU 3-0115-EM | 1~230 V, 50 Hz | 3 in (") | — | 0.37 kW | Rp 1 | 4090889
Sub TWU 3-0123-DM | 3~400 V, 50 Hz | 3 in (") | 23 | 0.55 kW | Rp 1 | 4090893
Sub TWU 3-0123-EM | 1~230 V, 50 Hz | 3 in (") | 23 | 0.55 kW | Rp 1 | 4090890
Sub TWU 3-0130-DM | 3~400 V, 50 Hz | 3 in (") | 30 | 0.75 kW | Rp 1 | 4090894
Sub TWU 3-0130-EM | 1~230 V, 50 Hz | 3 in (") | 30 | 0.75 kW | Rp 1 | 4090891
Sub TWU 3-0145-DM | 3~400 V, 50 Hz | 3 in (") | 45 | 1.1 kW | Rp 1 | 4090895

Technical data (summary)

• Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
• Submerged operating mode: S1
• Fluid temperature: 3 ... 35 °C
• Minimum flow rate at motor: 0.08 m/s
• Max. sand content: 50 g/m3
• Max. number of starts: 30/h
• Max. immersion depth: 150 m
• IP rating: IP58
• Discharge port: Rp1

Materials

• Hydraulics housing: 1.4301
• Impellers: Polycarbonate
• Hydraulic shaft: 1.4104
• Motor housing: 1.4301
• Motor shaft: 1.4305

Hydraulics
Multistage submersible pump with radial 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. The oil-filled motor is rewindable and has 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
• 1.8 m connection cable
• Switch box (capacitor box) for single-phase current version
• 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

Caractéristiques / Spécifications techniques

• Mains connection options: single-phase (EM) or three-phase (DM)
• Designed for pumping rainwater and industrial water from boreholes and wells
• Corrosion-free wet parts
• Integrated non-return valve
• Oil-filled, rewindable motor with self-lubricating bearings
• IP58 protection class
• Max. sand content: 50 g/m3
• Max. immersion depth: 150 m