Wilo-Rexa SUPRA

Series description

Your advantages

  • Customer-specific configuration for reliable and efficient pumping of untreated sewage and pre-treated sewage
  • Increased operational reliability due to free-flowing hydraulics that are non-susceptible to clogging and have a large free ball passage
  • Energy-efficient IE3 motor technology available as an option
  • Ceram coating against abrasion and corrosion
  • Suitable for immersed and non-immersed applications, even in continuous duty
  • Needs-based Wilo-Control switchgear for controlling submersible sewage pumps

Construction

Submersible sewage pump with and without active cooling system for continuous duty in the stationary and portable wet well installation, as well as for stationary dry well installation.

Application

Pumping of

  • Untreated sewage with faeces and long-fibre components
  • Sewage containing faeces
  • Pre-cleaned sewage without faeces and long-fibre components
  • Process water
  • Wastewater

Equipment/function

  • Heavy-duty version made of grey cast iron
  • Surface-cooled motor or self-cooling motor with 1-chamber or 2-chamber system
  • Optionally with Ex protection in accordance with ATEX or FM
  • Motor-dependent monitoring devices:
    • Winding temperature
    • Moisture monitoring in the sealing chamber and motor/terminal room
    • Motor bearing temperature
  • Fitted accessories

Scope of delivery

  • Submersible sewage pump ready for connection
  • Connection cable with bare cable end
  • Fitted accessories
  • Operating and maintenance manual

Type key

Example:

Wilo-Rexa SUPRA-V10-738A + FK 17.1-6/16KEx

Hydraulics:

SUPRA-V10-738A

SUPRA

Submersible sewage pump

V

Vortex impeller

10

x10 = pressure connection nominal diameter, e.g. DN 100

73

Performance indicator

8

Characteristic curve number

A

Material version (A = standard)

  

Motor:

FK 17.1-6/16KEx

FK

Motor type:

T = surface-cooled motor without cooling system

FK, FKT, HC = self-cooling motor with active cooling system

17.1

Size

6

Number of poles

16

x10 = package length in mm

K

Seal version:

H = rotary shaft seal/mechanical seal

G = two separate mechanical seals

K = block seal cartridge with two mechanical seals

Ex

Ex-rated

Technical data

  • Mains connection: 3~400 V, 50 Hz
  • Submerged operating mode: S1
  • Non-immersed operating mode: S1 or S2
  • Protection class: IP68
  • Insulation class: H
  • Fluid temperature: 3…40 °C, higher temperatures on request
  • Free ball passage of 45...130 mm
  • Max. immersion depth: 20 m

Materials

  • Housing components: EN-GJL or EN-GJS
  • Impeller: EN-GJL or EN-GJS
  • Static gaskets: NBR or FPM
  • Fluid-side seal: Mechanical seal made of SiC/SiC
  • Seal on the motor side:
    • Rotary shaft seal NBR
    • Mechanical seal made of SiC/SiC or carbon ceramic
  • Shaft: Stainless steel 1.4021

Description/construction

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

Hydraulics

The outlet on the pressure side is designed as horizontal flange connection. The maximum possible amount of dry matter is 8 %. Vortex impellers are used.

Motor

Surface-cooled motors (T motor) do not have a cooling system of their own and emit their heat directly to the surrounding fluid via the housing parts. The motors can therefore be used in immersed state for continuous duty. Depending on their size, they can also be used in non-immersed state for short-time duty.

The self-cooling motors (FK, FKT, HC motors) have an active cooling system and transfer their waste heat to the medium being pumped by means of an integrated heat exchanger. Therefore, these motors are suitable for continuous duty in immersed and non-immersed condition, and therefore also for dry well installation.

All motors have a sealing chamber that protects the motor from fluid ingress. It can be accessed from the outside and can optionally be monitored with a rod electrode. All filling fluids used are potentially biodegradable and environmentally safe.

The connection cable has bare cable ends and the length is customer specific. The cable inlet on T, HC and FKT motors is longitudinally watertight.

Seal

Fluid-side and motor-side sealing is possible in the following versions depending on the motor type:

  • Version H: Mechanical seal for the fluid side, rotary shaft seal for the motor side
  • Version G: Two independently-acting mechanical seals
  • Version K: Block seal cartridge with two independently acting mechanical seals

High efficiency motors

In addition to the standard motors, high-efficiency motors with IE3 classification (in accordance with IEC 60034-30) are also available. As these have the same basis as the standard motors, they have the same features and functions. This means that the same hydraulic systems are also available.

Ex rating

The motors are available with Ex rating in accordance with ATEX and FM.

Duty chart

Wilo-Rexa SUPRA

Downloads

REACH regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (581 kB)

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General overview 2019 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 74

PDF (42 MB)

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Wilo FK motor: EMU FA, Rexa SUPRA, Rexa SOLID

Article Number 6074704
Edition 2019-01
Version number 04
Page format 209.9 x 297.0 mm
Number of pages 1364

PDF (13 MB)

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Wilo HC motor: EMU FA, Rexa SUPRA, Rexa SOLID

Article Number 6073324
Edition 2019-01
Version number 02
Page format 209.9 x 297.0 mm
Number of pages 1360

PDF (15 MB)

Download

Wilo T motor: EMU FA, Rexa SUPRA, Rexa SOLID

Article Number 6067561
Edition 2019-01
Version number 04
Page format 209.9 x 297.0 mm
Number of pages 1692

PDF (28 MB)

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PDF: Wilo-Rexa SUPRA

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