Wilo-Rexa SOLID-Q

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

Pumping of

• Untreated sewage with faeces and long-fibre components
• Sewage containing faeces
• Process water

• Surface-cooled motors or self-cooling motors with active cooling system
• Asynchronous motors up to efficiency class IE3
• Permanent magnet motors up to efficiency class IE5
• Longitudinally watertight cable inlet

• Mains connection: 3~400 V, 50 Hz
• Submerged operating mode: S1
• Non-immersed operating mode: S1 (FK, FKT, HC motor) or S2 (T motor, depending on performance)
• Protection class: IP68
• Fluid temperature: 3 - 40 °C, higher temperatures on request
• Free ball passage:
  • T impeller: 78x105…150x150 mm
  • G impeller: 80 or 90 mm
  • Q impeller: 78 mm
• Max. immersion depth: 20 m

• Housing components: EN-GJL-250 or EN-GJS-500-7
• Impeller: EN-GJL-250 or EN-GJS-500-7
• Static gaskets: FPM
• Sealing on pump side: SiC/SiC
• Sealing on motor side: FPM, carbon/ceramic or SiC/SiC
• Shaft: Stainless steel 1.4021

Submersible sewage pump as submersible monobloc unit for stationary and portable wet well and dry well installation. Portable installation is possible, depending on type.

Hydraulics

The outlet on the pressure side is designed as horizontal flange connection. The maximum possible dry matter is 8 %. The following impeller shapes are currently used:

• T = closed two-channel impeller
• G = semi-open single-channel impeller
• Q = semi-open two-channel impeller

In the SOLID-G and SOLID-Q, the gap between suction port and impeller can be readjusted later. This ensures uniform hydraulic efficiency.

Motor

Submersible motors with passive and active cooling are used for the drive:

• T motors (surface-cooled motors) have passive cooling. They emit their heat directly into the surrounding fluid via the housing parts. For this reason, these motors can operated immersed in continuous duty (S1), depending on performance, and non-immersed in short-time duty (S2).
• FK, FKT and HC motors are self-cooling and have an active cooling system. The waste heat is guided via the coolant (white oil or water-glycol mixture) to an integrated heat exchanger, and this releases the waste heat to the conveyed medium. As a result, these motors are suitable for continuous duty (S1) either in immersed or non-immersed state.

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

In addition, depending on performance, high-efficiency motors are also available:

• • Asynchronous motors with efficiency class of IE3*
  • Permanent magnet motors with an efficiency class of IE4/5*

* (IE3/4 = based on IEC 60034-30, IE5 = based on IEC TS 60034-30-2)

The cable inlet on the motors is longitudinally watertight, cable lengths can be individually configured.

Seal

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

• Version G: Two independently-acting mechanical seals
• Version K: Block seal cartridge with two independently acting mechanical seals

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

• Special voltages
• Monitoring devices for
  • Winding monitoring with PTC thermistor sensor or Pt100
  • Sealing chamber
  • Motor/terminal room
  • Storage temperature
• Ceram coating C0 to C3 for abrasive and corrosive fluids
• Ex-rated according to ATEX or FM
• Nexos Intelligence:
  • Reduced downtime and service call-outs thanks to automatic detection and elimination of clogging
  • Lower energy costs due to the integrated automatic control for the optimal operating mode of the specific system
  • Convenient control and networking with the communication network via the integrated web server and Ethernet interface with standard network protocols in the pump
  • Increased operational reliability in the event of a fault thanks to the redundancy design of the integrated pump control
  • System solution with application-specific adaptable digital functions and digital interfaces

• Chains
• Suspension unit or pump support foot
• Fixation sets with anchor bolts
• Switchgear, relays and plugs

Operation in wet well installation with non-immersed motor:

The surfacing of self-cooling motors (FK, FKT, HC motors) is permitted.

Surface-cooled motors (T motors) can be non-immersed for short periods (S2 operation) depending on the power! The maximum running time with non-immersed motor depends on the medium and ambient temperatures. The exact specifications concerning the operating mode and time (e.g. S2-15) can be found on the rating plate of the respective pump.

Dry-running protection system:

The hydraulics housing must always be immersed. In the case of fluctuating fluid levels, the system should shut down automatically once the minimum water submersion is reached. Please refer to the dimension drawings for this.

Horizontal installation:

Horizontal installation is not possible with these units!

• Mains connection: 3~400 V, 50 Hz
• Submerged operating mode: S1
• Non-immersed operating mode: S1 (FK, FKT, HC motor) or S2 (T motor, depending on performance)
• Protection class: IP68
• Fluid temperature: 3 - 40 °C, higher temperatures on request
• Free ball passage:
  • T impeller: 78x105…150x150 mm
  • G impeller: 80 or 90 mm
  • Q impeller: 78 mm
• Max. immersion depth: 20 m

• Housing components: EN-GJL-250 or EN-GJS-500-7
• Impeller: EN-GJL-250 or EN-GJS-500-7
• Static gaskets: FPM
• Sealing on pump side: SiC/SiC
• Sealing on motor side: FPM, carbon/ceramic or SiC/SiC
• Shaft: Stainless steel 1.4021

Submersible sewage pump as submersible monobloc unit for stationary and portable wet well and dry well installation. Portable installation is possible, depending on type.

Hydraulics

The outlet on the pressure side is designed as horizontal flange connection. The maximum possible dry matter is 8 %. The following impeller shapes are currently used:

• T = closed two-channel impeller
• G = semi-open single-channel impeller
• Q = semi-open two-channel impeller

In the SOLID-G and SOLID-Q, the gap between suction port and impeller can be readjusted later. This ensures uniform hydraulic efficiency.

Motor

Submersible motors with passive and active cooling are used for the drive:

• T motors (surface-cooled motors) have passive cooling. They emit their heat directly into the surrounding fluid via the housing parts. For this reason, these motors can operated immersed in continuous duty (S1), depending on performance, and non-immersed in short-time duty (S2).
• FK, FKT and HC motors are self-cooling and have an active cooling system. The waste heat is guided via the coolant (white oil or water-glycol mixture) to an integrated heat exchanger, and this releases the waste heat to the conveyed medium. As a result, these motors are suitable for continuous duty (S1) either in immersed or non-immersed state.

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

In addition, depending on performance, high-efficiency motors are also available:

• • Asynchronous motors with efficiency class of IE3*
  • Permanent magnet motors with an efficiency class of IE4/5*

* (IE3/4 = based on IEC 60034-30, IE5 = based on IEC TS 60034-30-2)

The cable inlet on the motors is longitudinally watertight, cable lengths can be individually configured.

Seal

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

• Version G: Two independently-acting mechanical seals
• Version K: Block seal cartridge with two independently acting mechanical seals

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

• Special voltages
• Monitoring devices for
  • Winding monitoring with PTC thermistor sensor or Pt100
  • Sealing chamber
  • Motor/terminal room
  • Storage temperature
• Ceram coating C0 to C3 for abrasive and corrosive fluids
• Ex-rated according to ATEX or FM
• Nexos Intelligence:
  • Reduced downtime and service call-outs thanks to automatic detection and elimination of clogging
  • Lower energy costs due to the integrated automatic control for the optimal operating mode of the specific system
  • Convenient control and networking with the communication network via the integrated web server and Ethernet interface with standard network protocols in the pump
  • Increased operational reliability in the event of a fault thanks to the redundancy design of the integrated pump control
  • System solution with application-specific adaptable digital functions and digital interfaces

• Chains
• Suspension unit or pump support foot
• Fixation sets with anchor bolts
• Switchgear, relays and plugs

Operation in wet well installation with non-immersed motor:

The surfacing of self-cooling motors (FK, FKT, HC motors) is permitted.

Surface-cooled motors (T motors) can be non-immersed for short periods (S2 operation) depending on the power! The maximum running time with non-immersed motor depends on the medium and ambient temperatures. The exact specifications concerning the operating mode and time (e.g. S2-15) can be found on the rating plate of the respective pump.

Dry-running protection system:

The hydraulics housing must always be immersed. In the case of fluctuating fluid levels, the system should shut down automatically once the minimum water submersion is reached. Please refer to the dimension drawings for this.

Horizontal installation:

Horizontal installation is not possible with these units!