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Wilo-EMU TR 216… – TR(E) 326… | Wilo

Wilo-EMU TR 216… – TR(E) 326…

Your advantages
Wilo-EMU TRE 312 side view ceram coating

Your advantages

  • Efficient energy usage. The innovative blade geometry and energy-efficient IE3/IE4 motors ensure the best possible specific thrust coefficient. At the same time, this reduces your energy and operating costs.
  • Consistently reliable. The low-wearing GFK/PA6 propeller is durable and scores with its self-cleaning effect.
  • Smooth running thanks to the balanced propeller load, even in high thrust ranges and when incoming flow conditions are unfavourable.

Recommended services

Series description

Design

Low-speed submersible mixer with two-stage planetary gear, in continuous or intermittent operation.

Application

  • Activated sludge tank
  • 4. cleaning stage
  • Special applications

Liquids

For homogenisation and flow generation in commercial areas of:

  • Process sewage
  • Sewage containing faeces

Equipment/function

  • Thermal motor monitoring with bimetallic strip
  • Two-stage planetary gear
  • 3-chamber system
  • Operation with frequency converter possible

Additional equipment of the submersible mixers EMU TRE ...

  • IE3 submersible motor(according to IEC 60034-30)

Typekey

Example:

Wilo-EMU TRE 326-3.24-6/16Ex

EMU

Submersible mixer, horizontal

TRE

Series:

  • TR: Mixer with standard asynchronous motor
  • TRE: Mixer with IE3/IE4 asynchronous motor

3

Number of blades

26

x100 = nominal propeller diameter in mm

3

Model

24

Rated propeller speed in rpm

6

Number of poles

16

x10 = stator pack length in mm

Ex

Ex-rated

Technical data

  • Mains connection: 3~400 V, 50 Hz
  • Fluid temperature: 3 … 40 °C (37 … 104 °F)
  • Submerged operating mode: S1
  • Protection class: IP68
  • Insulation class: H
  • Max. switching frequency: 15/h
  • Max. immersion depth: 20 m (66 ft)

Materials

  • Housing: EN-GJL-250 (ASTM A48 Class 35/40B)
  • Seal:
    • Motor/sealing chamber: FPM (FKM)
    • Gasket/gear chamber: SiC/SiC
    • Gear chamber/pre-chamber: FPM (FKM)
    • Fluid side: SiC/SiC
  • Propeller hub: EN-GJL-250 (ASTM A48 Class 35/40B) or 1.4571 (AISI 316TI)
  • Propeller: GFK-VE (GFRP-VE) or PA6G

Construction

Propeller

2- or 3-bladed propeller made of solid or composite material. Nominal propeller diameter of 500 mm to 1200 mm with clogging-free propeller geometry.

Motor

Surface-cooled submersible motor in three-phase current design with permanently lubricated und large-size rolling bearings. The motor winding is equipped with temperature monitoring. The motor heat is given off directly to the surrounding fluid via the motor housing. The connection cable is designed for heavy mechanical loads, sealed water pressure-tight against the fluid and is sealed longitudinally watertight. The connection cable has bare cable ends and is 10 m (33 ft) long as standard.

EMU TRE models:

The submersible motor meets the IE3/IE4 motor efficiency class (according to IEC 60034-30). Motors of the motor efficiency class “IE4” have been specified as “E4” in the motor designation.

Seal

The system is sealed by a 3-chamber system:

  • Pre-chamber
  • Gear chamber
  • Sealing chamber

Pre-chamber

The high-volume pre-chamber has been filled with gear oil to absorb any leakage at the seal on the fluid side. A mechanical seal is used as the seal on the fluid side. A rotary shaft seal seals towards the gear chamber.

Gear chamber

The gear chamber has been filled with gear oil to guarantee continuous lubrication of the planetary gear and the gear bearings. A mechanical seal seals towards the sealing chamber.

Sealing chamber

The high-volume sealing chamber is filled with white oil and absorbs any leakage from the gear chamber. A rotary shaft seal seals towards the motor.

Gear

Two-stage planetary gear with exchangeable transmission. Gear bearings have been dimensioned large to absorb resulting stirring forces and not transfer these to the motor bearing.

Scope of delivery

  • Submersible mixer with connection cable
  • Propeller hub
  • Propeller blade
  • Accessories attached, depending on the installation type
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-EMU TR/TRE 216 ... 326-3

Article Number 6088789
Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 88
PDF (9 MB)

Wilo-EMU TR/TRE 216 ... 326-3

Article Number 6088786
Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 48
PDF (8 MB)

General overview

General Overview 2022 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 78
PDF (38 MB)

Certification booklet

Wilo-EMU AVMS(H)/ AVUS(H)

Article Number 6078119
Edition 1509
Page format A4
Number of pages 29
PDF (516 KB)

Wilo-EMU AVU

Article Number 6078118
Edition 1509
Page format A4
Number of pages 29
PDF (509 KB)

CE-Booklet Wilo-EMU TR(E) / Wilo-Flumen OPTI-TR / Wilo-Flumen EXCEL-TRE / Wilo-Sevio MIX BG / Wilo-Sevio FLOW BG

Article Number 6074694
Edition 2019-02
Page format 209.9 x 297.0 mm
Number of pages 36
PDF (3 MB)

Wilo-Flumen OPTI-TR 20-1 ... 40-1, Wilo-Flumen EXCEL-TRE 20 ... 40, Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2, Wilo-EMU TR 50-2 ... 120-1, Wilo-EMU TRE 50-2 ... 90-2, Wilo-EMU TR/TRE 212 ... 326-3

Article Number 6074694
Edition 2022-07
Page format 209.9 x 297.0 mm
Number of pages 64
PDF (12 MB)

Brochure

Biological treatment with efficiency.

Page format 209.9 x 297.0 mm
Number of pages 20
PDF (12 MB)

Wilo Submersible Mixers

Page format 209.9 x 297.0 mm
Number of pages 20
PDF (2 MB)

Efficiency for your Treatment Processes

Page format 209.9 x 297.0 mm
Number of pages 20
PDF (6 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)

Certificate

Wilo-EMU HHV

Article Number 6072705
Edition 1509
Page format A4
Number of pages 32
PDF (592 KB)