Pumps are critical equipment in water treatment and water supply industry and hence are widely applied by ROCKERHILL in global projects. There are so many different kinds of pumps for different applications, and with our professional experiences and expertise in the pump products, we can add great values for your projects.

 

What are Water Treatment Pump?

 

 

Engineered machines that move water/wastewater through treatment stages via mechanical force. Critical for pressurizing, dosing, and circulating fluids.

 

 
  • Mobile Pump Truck
    The mobile pump truck, is also named trailer pump. It has high mobility and flexibility. Utilizing a road chassis and a specially modified trailer powered by a diesel generator set, it does not employ a 360-degree rotating platform....
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  • Packaged Pump Station
    Flap gates,or hydraulic flap gates, are made of cast iron, stainless steel, aluminum, or FRP, depending on the type of service. Packaged pump station is also called prefabricated pump station. It combines pumps, pipelines, valves,...
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  • Fire Pump Skid
    ROCKERHILL Fire Pump Skid is a pre-assembled, integrated package mounted on a single steel base frame, serving as the core of a fire protection system's water supply. It typically includes a fire pump, diesel tank, diesel engine,...
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  • Double Suction Centrifugal Pump
    Double Suction Centrifugal Pumps achieve hydraulic balance and high flow via dual-entry impellers.
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  • Double Suction Pump Design
    We engineer high-efficiency double suction pumps for critical water/wastewater applications – delivering balanced axial thrust, exceptional reliability, and energy savings in high-flow systems.
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  • Double Suction Impeller
    Double Suction Impellers achieve hydraulic equilibrium by balancing fluid forces through dual-inlet design.
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  • Solar Water Pumping System
    Solar Pumping Systems convert photovoltaic energy into hydraulic power using DC motors and MPPT optimization.
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  • Solar Water Pump with Battery Backup
    Solar Pumps with Battery Backup integrate photovoltaic energy, lithium storage, and smart switching to ensure 24/7 operation.
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  • Vertical Long Shaft Pump
    Vertical Long Shaft Pumps transfer fluid from deep sumps/tanks using an extended shaft connecting surface-mounted motor to submerged impellers.
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  • Vertical Long Shaft Sump Pump
    Vertical Long Shaft Sump Pumps evacuate fluid from deep pits/tanks using a surface-mounted motor driving submerged impellers via an extended shaft.
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  • Vertical Multistage Centrifugal Pump
    Vertical Multistage Centrifugal Pumps generate high pressure through stacked impellers in a compact vertical footprint.
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  • Horizontal Multistage Pumps
    Horizontal Multistage Pumps achieve high pressures through axially staged impellers in a robust horizontal configuration.
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Advantages

Energy Efficiency

IE3/IE4 motors save 15–30% energy.

Contaminant Handling

Abrasion-resistant designs for slurries (70% solids).

Precision Control

±1% flow accuracy for chemical dosing.

Low Maintenance

Seal-less mag-drive options.

 

Key Features

 

  • Flow Range: 0.1–50,000 m³/h
  • Pressure: Up to 250 bar (high-pressure RO)
  • Materials: SS316, duplex, ceramic-coated
  • Smart Integration: IoT-enabled performance monitoring
Pump

 

Major Types

 

Type

Function

Application Example

Centrifugal

High-flow transfer

Raw water intake

Positive Displacement

Precise dosing

Chemical feed (pH control)

Submersible

Wastewater/slurry pumping

Wet well drainage

Progressive Cavity

High-viscosity fluids

Sludge transfer (20% DS)

Diaphragm

Shear-sensitive dosing

Polymer addition

 

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Applications

Membrane Systems

RO feed boosting (80 bar)

01

Chemical Injection

Chlorine, coagulant dosing

02

Sludge Handling

Thickener underflow transfer

03

Circulation

Cooling towers, bioreactors

04

Discharge

Effluent pumping to rivers/reuse

05

 

We're professional pump manufacturers and suppliers in China, specialized in providing high quality custom service. We warmly welcome you to buy high-grade pump at competitive price from our factory.

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