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Wilo-Flumen EXCEL-RZPE 20 ... 40 | Wilo

Wilo-Flumen EXCEL-RZPE 20 ... 40

Reliable sewage transport in the wastewater treatment plant with high volume flow and low delivery head.

Your advantages
Wilo-Flumen EXCEL-RZPE 30

Reliable sewage transport in the wastewater treatment plant with high volume flow and low delivery head.

The highly efficient series Wilo-Flumen EXCEL-RZPE ensure reliable and non-clogging continuous operation when pumping sewage from the nitrification basin back into the denitrification basin. Wilo recirculation pumps are ideally suited for speed-controlled operation with a frequency converter to support the energy-efficient and load-sensitive control of wastewater treatment plants.

Recommended services


Your advantages

  • Reliable continuous operation due to low clogging propellers and flow housing that is pump in non-clog design.
  • High operational reliability by using stainless steel investment-cast propellers
  • Reduction of energy costs thanks to high pump efficiency and standard IE3 motor
  • Customer-specific configuration taking into account the different pipe diameters and volume flows
  • Simple adaptation to the system parameters through operation with a frequency converter
  • Easy installation and removal, even when the basins are filled due to lowering devices and screwless coupling
  • Simple replacement due to adaptation to existing installations
Series description
Wilo-Flumen EXCEL-RZPE

Design

Recirculation pump: Submersible mixer, directly driven with attached flow housing.

Application

  • Recirculation between nitrification and denitrification in the biological wastewater treatment
  • Returning return activated sludge to the activated sludge tank or for sludge treatment
  • Water circulation for aquaculture (fish farming)
  • Special applications

Liquids

For pumping in commercial areas of:

  • Sewage containing faeces
  • Return activated sludge
  • Process water

Equipment/function

  • Thermal motor monitoring with bimetallic strip
  • IE3 submersible motor(according to IEC 60034-30)
  • Flow housing
  • Operation with frequency converter possible

Typekey

Example:

Wilo-Flumen EXCEL-RZPE 40-1.95-6/24Ex S8

Flumen

Submersible mixer, horizontal

EXCEL-RZPE

Series: Recirculation pump with IE3 asynchronous motor

40

x10 = nominal propeller diameter in mm

1

Model

95

Rated propeller speed in rpm

6

Number of poles

24

x10 = stator pack length in mm

Ex

Ex-rated

S8

Propeller code for special propeller (omitted for standard propeller)

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

  • Motor housing: 1.4408 (ASTM A 351) or EN-GJL-250 (ASTM A48 Class 35/40B)
  • Seal housing: 1.4408 (ASTM A 351)
  • Seal:
    • On the motor side: SiC/SiC or NBR (nitrile)
    • Fluid side: SiC/SiC
  • Propeller: 1.4408 (ASTM A 351)

Construction

Hydraulics

Propeller made of solid material with clogging-free propeller geometry. Pump in non-clog design flow housing with guide claw and two flange claws. The guide claw ensures smooth function when lifting and lowering the recirculation pump. The flange claws can be readjusted, ensure optimum centring on the discharge pipe and stabilise the recirculation pump at high operating pressure.

Alternative version with flange connection for direct screwing to the discharge pipe.

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.

The submersible motor meets the IE3 motor efficiency class (according to IEC 60034-30).

Seal

Large-volume sealing chamber with double shaft sealing. The sealing chamber is filled with white oil and absorbs the leakage from the seal on the fluid side. A corrosion- and wear-resistant mechanical seal is used on the fluid side. The seal on the motor side involves either a rotary shaft seal or a mechanical seal.

Scope of delivery

  • Recirculation pump with attached flow housing and connection cable
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40

Article Number 6074737
Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 88
PDF (18 MB)

Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40

Article Number 6074709
Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 48
PDF (17 MB)

Wilo-Flumen OPTI-RZP 20-1 ... 40-1, Wilo-Flumen EXCEL-RZPE 20-1 ... 40-1

Article Number 6088798
Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 16
PDF (12 MB)

Wilo-Flumen OPTI-RZP 20-1 ... 40-1, Wilo-Flumen EXCEL-RZPE 20-1 ... 40-1

Article Number 6092600
Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 32
PDF (14 MB)

Certification booklet

Wilo-EMU RZP, Wilo-Flumen OPTI-RZP 20...40, Wilo-Flumen EXCEL-RZPE 20...40

Article Number 6074696
Edition 2022-05
Page format 209.9 x 297.0 mm
Number of pages 44
PDF (4 MB)

Brochure

Biological treatment with efficiency.

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