High-Pressure Pumps byAndritz Pumps

ANDRITZ pumps are used across applications including drinking water supply, wastewater treatment, industrial water distribution, irrigation, seawater desalination and large-scale water transport projects.

With extensive expertise in flood control, irrigation, pulp and paper, hydropower and industrial processing, ANDRITZ delivers reliable, energy-efficient pumping solutions designed to improve operational performance and process stability. The portfolio includes durable process pumps, advanced medium-consistency pumps and high-efficiency headbox pumps engineered for demanding applications.

Supporting sustainable industries and modern operations, ANDRITZ also provides hydroelectric solutions, pumps used as turbines and IIoT-enabled pump technology for enhanced process monitoring and optimisation. Its pump systems are widely used across industries including mining, offshore, bioethanol, fertiliser, sugar and general process applications.

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High-Pressure Pumps

ANDRITZ High-Pressure Pumps are engineered for reliable performance across demanding municipal and industrial applications. Designed for maximum flexibility, the range includes both horizontal and vertical configurations to support efficient plant and system design requirements.

Featuring robust bearing assemblies and axial heat expansion design, these pumps are built to deliver long-term operational stability under high-pressure conditions. A wide selection of material and sealing options allows optimal adaptation to different process media, while customised hydraulic systems for each pump size ensure operation at the best efficiency point.

ANDRITZ high-pressure pumps are commonly used in applications such as water supply, irrigation, circulation systems, boiler feed and drainage, delivering dependable performance, efficiency and durability across a wide range of industries.

HP Series
High-Pressure Pumps

3D cutaway rendering of an ANDRITZ horizontal multi-stage centrifugal pump displaying internal impeller stages, shaft assembly, mechanical seal, bearing housings, and seal flush piping system

ANDRITZ HP Series high-pressure pumps are multi-stage ring section pumps designed with robust construction and extra-large shaft sections to ensure smooth, vibration-free operation. For applications requiring high output pressures, axial thrust is effectively balanced using a balancing piston and cartridge seal mounted on the pump shaft.

With durable construction and adaptable configurations, the ANDRITZ HP series delivers dependable high-pressure performance across a variety of industrial and municipal operations. For more information about the HP series range, please contact the team directly.

Engineered for reliability and efficiency, the HP series is suitable for handling clean or slightly contaminated non-corrosive liquids with viscosities of up to 150 mm²/s (cSt). For demanding suction conditions where low NPSH is available, the pumps can be equipped with an axial inlet design to reduce cavitation and improve flow entry into the first-stage impeller.

The shaft sealing system can be configured with either a mechanical seal or gland packing, depending on application requirements. Across all models, the shaft is fully protected against wear and corrosion along its entire length through the use of shaft wear sleeves, particularly in the seal area, ensuring long service life and reliable performance.

Hydraulic System

Each pump frame is available with at least two impeller types matched with corresponding diffusers, enabling operation within the optimum efficiency range for the required duty conditions. This ensures reliable performance and efficient energy use across varying operating demands.

For applications involving abrasive media, the impeller slip face and hub section can be fitted with renewable rings or bushes made from wear-resistant materials to extend service life.

In smaller multi-stage configurations, axial thrust is absorbed by fixed ball bearings. In larger multi-stage pumps, axial thrust is balanced using a balancing piston mounted on the shaft within the delivery housing area, ensuring stable and reliable operation.

Technical Specifications

    Design
    multi-stage, high-pressure
  
    Head
    up to 400 m
  
    Flow rate
    up to 950 m³/h
  
    Pressure
    up to 40 bar
  
    Temperature
    up to 120° C
  
    Power
    up to 1.300 kW
  
    Efficiency
    up to 90%

Design	multi-stage, high-pressure
Head	up to 400 m
Flow rate	up to 950 m³/h
Pressure	up to 40 bar
Temperature	up to 120° C
Power	up to 1.300 kW
Efficiency	up to 90%

*These values are guidelines and may differ depending on project requirements

Fields of Applications

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Water supply

—

Irrigation

—

Hot & cold water circulation

—

Boiler feed

—

Pressure boosting installations

Product benefits

Numerous hydraulic configurations for each model size allow operation at the optimal performance point

High efficiency performance through advanced hydraulic design

Flexible material and configuration options ensure optimal adaptability to different pumped media

Renewable wearing parts enable easier maintenance without additional work on casing components

Wide range of horizontal and vertical models supporting efficient system and building design

Multiple hydraulic options per model size ensure operation at the optimal efficiency point

High efficiency performance through optimised hydraulic design

Excellent adaptability to different pumped media through various materials and sealing options

Full-length shaft protection using impeller hubs and wear sleeves

Reliable axial thrust balancing via balancing piston in high-pressure applications

IIoT-ready design for enhanced monitoring and operational optimisation