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100WQ80-20-7.5kW Submersible Sewage Pump with 80m³/h Flow, 20m Head and 7.5kW Motor for Wastewater Drainage
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100WQ80-20-7.5kW Submersible Sewage Pump with 80m³/h Flow, 20m Head and 7.5kW Motor for Wastewater Drainage

MOQ: 1 piece
Price: L/C, T/T, Western Union, MoneyGram, D/P, D/A
Standard Packaging: Submersible sewage pump is packed with wooden case or 20 inch container.
Delivery Period: 2-5 working days
Payment Method: Please feel free to contact us
Supply Capacity: 8695 pieces per month
Detail Information
Product Description
Detail Information
Place of Origin
Henan, China
Brand Name
SLAPK
Certification
ISO9001;ISO4001;ISO18001;CE,BV; TUV; SABER
Model Number
WQ
Name:
Stainless Steel Submersible Sewage Pump Large Diameter 125 WQP Precision Cast
Flow:
5m3/h-3500m3/h Submersible Sewage Pump
Head:
5m-200m
Power:
2.2kw-220kw Submersible Sewage Pump
Frequency:
3 Phase 50hz/60hz
Voltage:
380v/440v Or As Per Request
Material:
Cast Iron/SS304/SS316/SS316L/Duplex Stainless/SS904
Motor:
Copper Wire
Product Description
100WQ80-20-7.5kW Submersible Sewage Pump – 80m³/h, 20m Head
The 100WQ80-20-7.5kW submersible sewage pump is designed for wastewater transfer, sewage lifting, stormwater drainage and construction dewatering. It delivers a rated flow of 80m³/h, a rated head of 20m and a motor power of 7.5kW. Equipped with a DN100 (4-inch) discharge outlet, this cast iron submersible sewage pump can be installed directly inside a sewage tank, collection pit or drainage well. Its integrated pump-and-motor structure reduces installation space and eliminates the need for a separate pump room.
Technical Specifications
Model 100WQ80-20-7.5kW
Product Type Submersible sewage pump
Rated Flow 80m³/h
Rated Head 20m
Motor Power 7.5kW
Discharge Diameter DN100 / 4 inches
Pump Body Material Cast iron
Installation Submerged installation
Installation Options Portable or fixed installation
Pumped Medium Sewage, wastewater, stormwater and liquids containing limited solid impurities
Voltage, frequency, cable length, control panel and installation accessories should be confirmed according to the actual operating conditions.
Pump Structure and Working Principle
The 100WQ80-20-7.5kW sewage pump consists of a submersible motor, pump casing, impeller, mechanical seal, power cable and discharge connection. During operation, the motor drives the impeller to rotate. The resulting hydraulic pressure draws wastewater into the pump and discharges it through the DN100 outlet. Because the pump and motor form one submerged unit, the pump does not require priming before operation. This design is suitable for locations where installation space is limited or where a conventional dry-installed pump station is not practical.
Main Product Features
  • 80m³/h Drainage Capacity: With a rated flow of 80m³/h, the pump is suitable for medium-flow sewage transfer, stormwater drainage and construction dewatering projects. Actual operating flow depends on the total system head, pipeline length, pipe diameter, valve resistance and the number of pipe bends.
  • 20m Rated Head: The rated head of 20m enables the pump to handle drainage systems with a moderate vertical lift or pipeline resistance. Total head calculations should include both the vertical elevation and friction losses throughout the pipeline.
  • DN100 Discharge Outlet: The DN100, or 4-inch, discharge connection supports efficient wastewater transfer and can be connected to commonly used pipes, hoses, check valves and gate valves.
  • Submersible Integrated Design: The pump operates directly in the liquid. It does not require a separate pump room or an additional priming system, helping simplify installation in sewage pits, drainage wells and wastewater tanks.
  • Sewage-Handling Hydraulic Design: The hydraulic structure is designed to transport sewage, wastewater and liquids containing limited solid particles or fibrous materials. This helps reduce the possibility of clogging during normal operation.
  • Reliable Mechanical Sealing: The mechanical seal separates the pumped liquid from the motor chamber. Correct installation, proper liquid level and protection against dry running help extend the service life of the sealing system.
Typical Applications
  • Municipal sewage collection and transfer
  • Wastewater treatment plants
  • Industrial wastewater discharge
  • Construction site dewatering
  • Basement and underground garage drainage
  • Stormwater collection and flood control
  • Residential and commercial sewage lifting
  • Agricultural and livestock farm drainage
  • Tunnel and underground project drainage
  • Factory drainage and wastewater circulation
  • Emergency drainage in low-lying areas
  • Sewage tanks, collection pits and pumping stations
Installation Options
Portable Installation: For portable operation, the pump can be connected to a flexible hose or discharge pipe and moved between different drainage locations. This installation method is suitable for construction sites, temporary drainage, emergency dewatering and flood-control projects.
Fixed Automatic Coupling Installation: For long-term operation, the pump can be installed with an automatic coupling system, guide rails, discharge base, check valve and control panel. The pump can be raised along the guide rails for inspection or maintenance without disconnecting the discharge pipe inside the sewage tank. This installation method is commonly used in sewage pumping stations and wastewater treatment facilities.
How to Select the Correct Sewage Pump
To select a suitable submersible sewage pump, the following information should be provided:
  1. Required flow rate and total head
  2. Wastewater type, temperature and corrosiveness
  3. Maximum solid particle size
  4. Fibre content in the pumped medium
  5. Vertical lifting height and pipeline length
  6. Pipe diameter, bends and valve arrangement
  7. Required voltage, frequency and phase
  8. Portable or fixed installation
  9. Required power cable length
  10. Daily operating time and starting frequency
The required pump head should be calculated based on the complete pipeline system. It should not be determined only by the vertical lifting height.
Control and Protection Options
The 100WQ80-20-7.5kW sewage pump can be supplied with a control panel and liquid-level switches for automatic operation. Available control and protection functions may include:
  • Automatic start and stop
  • Overload protection
  • Phase-loss protection
  • Short-circuit protection
  • Overvoltage and undervoltage protection
  • High-level alarm
  • Alternating control for multiple pumps
  • Dry-running protection when required
The final control system can be configured according to the number of pumps and the operating requirements of the project.
Operation and Maintenance Recommendations
Before installation, check the power cable, insulation resistance, fasteners and impeller rotation. Confirm that the voltage and frequency match the motor nameplate. The pump should remain adequately submerged during operation. Prolonged dry running may damage the mechanical seal and motor. A check valve is recommended in the discharge pipeline to prevent water from flowing back after shutdown. During routine operation, inspect the pump's current, flow, head, vibration and sealing condition. Fibres and debris around the inlet should be removed regularly to maintain stable drainage performance.
Why Choose the 100WQ80-20-7.5kW Sewage Pump?
The 100WQ80-20-7.5kW model combines an 80m³/h flow rate, 20m head, 7.5kW motor and DN100 discharge outlet in a compact submersible structure. It provides a practical pumping solution for municipal wastewater, industrial drainage, construction dewatering and sewage lifting. Voltage, frequency, cable length, control panel, automatic coupling system and valve accessories can be configured according to project requirements. For accurate pump selection and quotation, please provide the required flow, total head, wastewater characteristics, power supply and installation method.
Frequently Asked Questions
What is the rated flow of the 100WQ80-20-7.5kW sewage pump?
The rated flow is 80m³/h. The actual operating flow depends on the total system head and pipeline resistance.
What is the discharge size?
The pump has a DN100, or 4-inch, discharge outlet.
Can this pump handle wastewater containing solids?
Yes. It can handle sewage and wastewater containing limited solid particles or fibrous materials. The maximum permissible solid size should be confirmed before ordering.
Can the pump operate automatically?
Yes. It can be connected to liquid-level switches and a control panel for automatic starting, stopping and motor protection.
Can the voltage and frequency be customized?
Yes. The motor voltage and frequency can be configured according to the local power supply and project requirements.
Tags: 

submersible sewage water pump,  

submersible dirty water pump,  

submersible wastewater pump

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Products
PRODUCTS DETAILS
Products

Submersible Water Pumps

Stainless Steel Submersible Pump

Bottom Suction Submersible Pump

Electric Submersible Pump

Submersible Sewage Pump

Submersible Seawater Pump

Slurry Submersible Pump

Submersible Fountain Pump

Hot Water Submersible Pump

Mine Submersible Pump

Submersible Turbine Pump

Axial Flow Pump

Horizontal Split Case Pump

Booster Pump

Horizontal Multistage Centrifugal Pump

Vertical Submerged Pump
name
  • name
  • name
  • name
  • name
  • name
  • name
100WQ80-20-7.5kW Submersible Sewage Pump with 80m³/h Flow, 20m Head and 7.5kW Motor for Wastewater Drainage
MOQ: 1 piece
Price: L/C, T/T, Western Union, MoneyGram, D/P, D/A
Standard Packaging: Submersible sewage pump is packed with wooden case or 20 inch container.
Delivery Period: 2-5 working days
Payment Method: Please feel free to contact us
Supply Capacity: 8695 pieces per month
Detail Information
Product Description
Detail Information
Place of Origin
Henan, China
Brand Name
SLAPK
Certification
ISO9001;ISO4001;ISO18001;CE,BV; TUV; SABER
Model Number
WQ
Name:
Stainless Steel Submersible Sewage Pump Large Diameter 125 WQP Precision Cast
Flow:
5m3/h-3500m3/h Submersible Sewage Pump
Head:
5m-200m
Power:
2.2kw-220kw Submersible Sewage Pump
Frequency:
3 Phase 50hz/60hz
Voltage:
380v/440v Or As Per Request
Material:
Cast Iron/SS304/SS316/SS316L/Duplex Stainless/SS904
Motor:
Copper Wire
Minimum Order Quantity:
1 piece
Price:
L/C, T/T, Western Union, MoneyGram, D/P, D/A
Packaging Details:
Submersible sewage pump is packed with wooden case or 20 inch container.
Delivery Time:
2-5 working days
Payment Terms:
Please feel free to contact us
Supply Ability:
8695 pieces per month
Product Description
100WQ80-20-7.5kW Submersible Sewage Pump – 80m³/h, 20m Head
The 100WQ80-20-7.5kW submersible sewage pump is designed for wastewater transfer, sewage lifting, stormwater drainage and construction dewatering. It delivers a rated flow of 80m³/h, a rated head of 20m and a motor power of 7.5kW. Equipped with a DN100 (4-inch) discharge outlet, this cast iron submersible sewage pump can be installed directly inside a sewage tank, collection pit or drainage well. Its integrated pump-and-motor structure reduces installation space and eliminates the need for a separate pump room.
Technical Specifications
Model 100WQ80-20-7.5kW
Product Type Submersible sewage pump
Rated Flow 80m³/h
Rated Head 20m
Motor Power 7.5kW
Discharge Diameter DN100 / 4 inches
Pump Body Material Cast iron
Installation Submerged installation
Installation Options Portable or fixed installation
Pumped Medium Sewage, wastewater, stormwater and liquids containing limited solid impurities
Voltage, frequency, cable length, control panel and installation accessories should be confirmed according to the actual operating conditions.
Pump Structure and Working Principle
The 100WQ80-20-7.5kW sewage pump consists of a submersible motor, pump casing, impeller, mechanical seal, power cable and discharge connection. During operation, the motor drives the impeller to rotate. The resulting hydraulic pressure draws wastewater into the pump and discharges it through the DN100 outlet. Because the pump and motor form one submerged unit, the pump does not require priming before operation. This design is suitable for locations where installation space is limited or where a conventional dry-installed pump station is not practical.
Main Product Features
  • 80m³/h Drainage Capacity: With a rated flow of 80m³/h, the pump is suitable for medium-flow sewage transfer, stormwater drainage and construction dewatering projects. Actual operating flow depends on the total system head, pipeline length, pipe diameter, valve resistance and the number of pipe bends.
  • 20m Rated Head: The rated head of 20m enables the pump to handle drainage systems with a moderate vertical lift or pipeline resistance. Total head calculations should include both the vertical elevation and friction losses throughout the pipeline.
  • DN100 Discharge Outlet: The DN100, or 4-inch, discharge connection supports efficient wastewater transfer and can be connected to commonly used pipes, hoses, check valves and gate valves.
  • Submersible Integrated Design: The pump operates directly in the liquid. It does not require a separate pump room or an additional priming system, helping simplify installation in sewage pits, drainage wells and wastewater tanks.
  • Sewage-Handling Hydraulic Design: The hydraulic structure is designed to transport sewage, wastewater and liquids containing limited solid particles or fibrous materials. This helps reduce the possibility of clogging during normal operation.
  • Reliable Mechanical Sealing: The mechanical seal separates the pumped liquid from the motor chamber. Correct installation, proper liquid level and protection against dry running help extend the service life of the sealing system.
Typical Applications
  • Municipal sewage collection and transfer
  • Wastewater treatment plants
  • Industrial wastewater discharge
  • Construction site dewatering
  • Basement and underground garage drainage
  • Stormwater collection and flood control
  • Residential and commercial sewage lifting
  • Agricultural and livestock farm drainage
  • Tunnel and underground project drainage
  • Factory drainage and wastewater circulation
  • Emergency drainage in low-lying areas
  • Sewage tanks, collection pits and pumping stations
Installation Options
Portable Installation: For portable operation, the pump can be connected to a flexible hose or discharge pipe and moved between different drainage locations. This installation method is suitable for construction sites, temporary drainage, emergency dewatering and flood-control projects.
Fixed Automatic Coupling Installation: For long-term operation, the pump can be installed with an automatic coupling system, guide rails, discharge base, check valve and control panel. The pump can be raised along the guide rails for inspection or maintenance without disconnecting the discharge pipe inside the sewage tank. This installation method is commonly used in sewage pumping stations and wastewater treatment facilities.
How to Select the Correct Sewage Pump
To select a suitable submersible sewage pump, the following information should be provided:
  1. Required flow rate and total head
  2. Wastewater type, temperature and corrosiveness
  3. Maximum solid particle size
  4. Fibre content in the pumped medium
  5. Vertical lifting height and pipeline length
  6. Pipe diameter, bends and valve arrangement
  7. Required voltage, frequency and phase
  8. Portable or fixed installation
  9. Required power cable length
  10. Daily operating time and starting frequency
The required pump head should be calculated based on the complete pipeline system. It should not be determined only by the vertical lifting height.
Control and Protection Options
The 100WQ80-20-7.5kW sewage pump can be supplied with a control panel and liquid-level switches for automatic operation. Available control and protection functions may include:
  • Automatic start and stop
  • Overload protection
  • Phase-loss protection
  • Short-circuit protection
  • Overvoltage and undervoltage protection
  • High-level alarm
  • Alternating control for multiple pumps
  • Dry-running protection when required
The final control system can be configured according to the number of pumps and the operating requirements of the project.
Operation and Maintenance Recommendations
Before installation, check the power cable, insulation resistance, fasteners and impeller rotation. Confirm that the voltage and frequency match the motor nameplate. The pump should remain adequately submerged during operation. Prolonged dry running may damage the mechanical seal and motor. A check valve is recommended in the discharge pipeline to prevent water from flowing back after shutdown. During routine operation, inspect the pump's current, flow, head, vibration and sealing condition. Fibres and debris around the inlet should be removed regularly to maintain stable drainage performance.
Why Choose the 100WQ80-20-7.5kW Sewage Pump?
The 100WQ80-20-7.5kW model combines an 80m³/h flow rate, 20m head, 7.5kW motor and DN100 discharge outlet in a compact submersible structure. It provides a practical pumping solution for municipal wastewater, industrial drainage, construction dewatering and sewage lifting. Voltage, frequency, cable length, control panel, automatic coupling system and valve accessories can be configured according to project requirements. For accurate pump selection and quotation, please provide the required flow, total head, wastewater characteristics, power supply and installation method.
Frequently Asked Questions
What is the rated flow of the 100WQ80-20-7.5kW sewage pump?
The rated flow is 80m³/h. The actual operating flow depends on the total system head and pipeline resistance.
What is the discharge size?
The pump has a DN100, or 4-inch, discharge outlet.
Can this pump handle wastewater containing solids?
Yes. It can handle sewage and wastewater containing limited solid particles or fibrous materials. The maximum permissible solid size should be confirmed before ordering.
Can the pump operate automatically?
Yes. It can be connected to liquid-level switches and a control panel for automatic starting, stopping and motor protection.
Can the voltage and frequency be customized?
Yes. The motor voltage and frequency can be configured according to the local power supply and project requirements.
Tags: 

submersible sewage water pump,

submersible dirty water pump,

submersible wastewater pump

Zhengzhou Shenlong Pump Industry CO.,Ltd
E-commerce Industrial Park, High-tech Zone, Zhengzhou City, Henan Province, China
Tel: 86 17537187726
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