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Ejector pumps for sewage

DN25-DN200 GW Type Cast Iron Pipe Sewage Pump

PWSGW
Flow Range:5-3000m³/h
Head Range:5~45m
Motor Power:0.75-250kw
Inlet/Outlet Range:DN25-DN200
Quantity
 The PWS GW cast iron sewage pump is specifically designed for transporting wastewater containing solids, fibers, and granular debris. Compared to ejector pumps for sewage that rely on Venturi principles, this sewage pump employs physical cutting and optimized flow channel technology to address critical challenges:
 

Product Features


Non-Clogging Design 
    The GW Type Cast Iron Pipe Sewage Pump features a single-channel impeller, enabling it to efficiently pass solids and fibrous materials.,significantly reducing clogging risks compared to traditional Sewage Pumping systems. This design surpasses the capabilities of Ejector pumps for sewage, which often struggle with fibrous materials due to their reliance on high-pressure fluid dynamics.

Vertical and Compact Structure 
   The pump's vertical design with coaxial inlet and outlet flanges allows direct installation into pipelines, similar to a valve. This compact structure saves space and simplifies maintenance, making it more versatile than Ejector pumps for sewage, which typically require additional plumbing configurations.


 

Product Advantage


High Efficiency and Energy Savings
    Equipped with a well-matched motor and advanced hydraulic model, the GW pump operates efficiently with low noise and significant energy savings. This efficiency outperforms many conventional Sewage Pumping solutions, which may consume more power due to less optimized designs.

Durable and Reliable Mechanical Seal
   The mechanical seal is made of hard, corrosion-resistant tungsten carbide, ensuring durability and enabling the pump to run continuously for over 8,000 hours without failure. This reliability is a key advantage over Ejector pumps for sewage, which often have shorter service lives due to wear from abrasive materials.


 

Key Application Scenarios


Municipal Engineering
  Used in urban sewage treatment plants and residential sewage drainage stations for efficient handling of domestic and light industrial wastewater.
Industrial Buildings
  Suitable for factories, mines, and other industrial facilities to discharge wastewater containing sediment, fibers, and other impurities.
Public Facilities
  Applied in hospitals, hotels, and high-rise buildings for reliable sewage discharge, ensuring smooth operation of drainage systems.
Underground Engineering
  Ideal for drainage stations in subways, basements, and civil defense systems to address water accumulation in low-lying areas.

                                                                                                                                                         

Service & Support


  • Accurate demand matching

Free on-site demand analysis, customized flow, pressure and piping configuration scheme;

  • Rapid delivery response

Standardized module design, delivery cycle shortened by 30%, emergency project support expedited processing;

  • Flexible warranty policy

1 year warranty for the whole machine, 2 years extended warranty for non-standard customized parts, regular maintenance and fault fast response service.


 
 
 
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