Wilo-Rexa PRO

Series description

Special features/product advantages

  • Highly effective. Thanks to efficiency-optimized single-channel impellers
  • Safe to operate due to low-clogging vortex impellers
  • Verified safety: Ex-rated in accordance with ATEX as standard
  • Energy-efficient IE3 motor technology available as an option

Design type

Submersible sewage pump for continuous duty for stationary and portable wet well installation, as well as for stationary dry well installation.

Application

Pumping of

  • Untreated sewage
  • Sewage containing faeces in accordance with (DIN) EN 12050-1
  • Wastewater

Equipment/function

  • Leakage detection for the motor compartment
  • Winding temperature monitoring with bimetallic strip
  • Optional external pencil electrode for sealing chamber monitoring
  • Single-phase version with capacitor switchgear

Scope of delivery

  • Submersible sewage pump with 10 m cable
  • Operating and maintenance manual

Type key

Example:

Wilo-Rexa PRO V06DA-110/EAD1X2-T0015-540-O

PRO

Series name

V

Impeller type:

V = Vortex impeller

C = Single-channel impeller

06

Nominal diameter of pressure connection e.g. DN 65

D

Hydraulic version:

D = suction side drilled in accordance with DIN

N = suction side drilled in accordance with ANSI (North American Standard)

A

Material version, hydraulics

110

Hydraulics definition

E

Surface-cooled motor

A

Material version, motor

D

Sealing with two independent mechanical shaft seals

1

IE efficiency class, e.g. 1 = IE1 (derived from IEC 60034-30)

X

Ex-approval:

X = ATEX

F = FM

C = CSA

2

Number of poles

T

Mains connection version:

M = 1~

T = 3~

0015

Value/10 = rated motor power P2 in kW

5

Frequency (5 = 50 Hz, 6 = 60 Hz)

40

Code for rated voltage

O

Additional electrical equipment:

O = with bare cable end

F = float switch with bare cable end

A = float switch with plug

P = with plug

Technical data

  • Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
  • Immersed operating mode: S1
  • Non-immersed operating mode: S2-30 min; S3 25%
  • Protection class: IP68
  • Insulation class: F, optional H
  • Fluid temperature: 3…40 °C, max. 60 °C for 3 min
  • Max. immersion depth: 20 m
  • Cable length: 10 m

Materials

  • Motor housing: EN-GJL-250
  • Hydraulics housing: EN-GJL 250
  • Impeller: EN-GJL 250 or EN-GJS-500-7
  • Static gaskets: NBR
  • Sealing on pump side: SiC/SiC
  • Sealing on motor side: C/MgSiO4
  • Shaft end: Stainless steel 1.4021

Description/construction

Submersible sewage pump as submersible monobloc unit for stationary and portable wet well installation, as well as stationary dry well installation.

Hydraulics

The outlet on the pressure side is designed as horizontal flange connection. The maximum possible dry matter is 8 % (depending on the hydraulics) Vortex and single-channel impellers are used.

Motor

The motor versions used are single-phase current and three-phase current surface-cooled motors. For single-phase current motors, the condenser is installed in a separate switchgear. Depending on performance, activation is carried out via direct startup or star/delta startup.

The motor is cooled by the medium around it (pumped fluid or air). The waste heat is dissipated via the motor housing.

The motors can be immersed during continuous duty (S1). In submerged operation, the operating modes S1 (continuous duty), S2 (short-time duty) or S3 (intermittent) are possible depending on the rated motor power.

Furthermore the motors are equipped with the following monitoring devices:

  • Leakage detection motor compartment. The leakage detection signals water ingress into the motor compartment.
  • Thermal motor monitoringThe thermal motor monitoring protects the motor windings against overheating. Bimetallic strips are used for this as standard.

The motor can also be fitted with an external sealing chamber electrode to monitor the sealing chamber. This signals if there is water ingress into the sealing chamber through the mechanical seal on the fluid side.

The connection cable has bare cable ends, a length of 10 m as standard, and is longitudinally watertight.

Seal

Located between the motor and hydraulics is a sealing chamber with the seal on the fluid and motor side. This sealing chamber is filled with medicinal white oil. The fluid-side and motor-side seals are provided by two mechanical seals which rotate independently of each other.

Duty chart

Rexa PRO

Rexa PRO

Downloads

Certification Booklet Wilo-Rexa PRO

Article Number 6069824
Edition 1702
Version number 07
Page format A4
Number of pages 8

PDF (508 kB)

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General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

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