Wilo-Rexa FIT

Series description

Special features/product advantages

  • Ready to plug in and use
  • Attached float switch (A-model) enables easy operation
  • Safe vortex hydraulics with large, free ball passage to prevent clogging during operation
  • Sealing chamber with optional external monitoring
  • Lightweight

Design type

Submersible sewage pump for intermittent operation for stationary and portable wet well installation, as well as for the stationary dry well installation.

Application

Pumping of

  • Sewage containing faeces in accordance with EN 12050-1
  • Wastewater

Equipment/function

  • Winding temperature monitoring with bimetal strip
  • Optional external pencil electrode for sealing chamber control

Scope of delivery

  • Submersible sewage pump with 10 m cable
  • Cable version depending on the variant:
    • With bare cable ends (O)
    • With plug (P)
    • With float switch and plug (A)
  • Operating and maintenance manual

Type key

Example:

Wilo-Rexa FIT V06DA-110/EAD1-2-T0015-540-A

Rexa

Submersible sewage pump

FIT

Series

V

Vortex impeller

06

Nominal diameter of pressure connection e.g. DN 65

D

Hydraulics drilled on the suction side in accordance with DIN drilled

A

Standard material version, hydraulics

110

Hydraulics definition

E

Surface-cooled motor

A

Standard material version motor

D

Seal with two independent mechanical seals

1

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

-

not Ex-rated

2

Number of poles

T

Mains connection version:

M = 1~

T = 3~

0015

Value/10 = motor power P2 in kW

5

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

40

Code for rated voltage

A

Additional electrical equipment:

O = with bare cable end

P = with plug

A = with float switch and plug

Technical data

  • Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
  • Submerged operating mode: S1
  • Non-immersed operating mode: S2-15 min; S3 10 %
  • Protection class: IP68
  • Insulation class: F
  • Fluid temperature: 3 - 40°C, max. 60°C for 3 min
  • Free passage: 50 / 65 / 80 mm
  • Cable length: 10 m

Materials

  • Motor housing: 1.4301
  • Hydraulics housing: EN-GJL 250
  • Impeller: EN-GJL 250
  • 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 in intermittent operation.

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 impellers are used as the impeller shape.

Motor

The motors available are surface-cooled motors in single-phase version (with built-in operating capacitor) and three-phase version for the direct starting. The waste heat is given off directly to the surrounding fluid via the motor housing. These motors can operated immersed in continuous duty (S1) and non-immersed in short-time duty (S2) or intermittent periodic duty (S3).

Furthermore the motors are equipped with thermal motor monitoring. This protects the motor windings against overheating. For units with single-phase AC motors this is built-in and switches automatically. I.e. if the motor is switched off due to overheating and then cools down it is automatically switched on again. Bimetallic strips are used for this as standard.

In addition the motor can be equipped with an external sealing chamber electrode for monitoring the oil barrier chamber. This signals if there is water ingress into the oil barrier chamber through the mechanical seal on the fluid side.

The connection cable has a length of 10 m as standard and is available in following versions:

  • With bare cable ends
  • With plug
  • With float switch and plug

Seal

There is a sealing chamber between the motor and hydraulics. This 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

Wilo-Rexa FIT

Downloads

Wilo-Rexa FIT

Article Number 6063547
Edition 2017-12
Version number 06
Page format 209.9 x 297.0 mm
Number of pages 732

PDF (9 MB)

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