Main benefits
  • The highest available efficiency on the ANSI process pump market providing clear savings in energy consumption:
    • Exceeds the requirements of all environmental (ECO) directives and the energy efficiency targets for pumps globally
    • Maximized reliability thanks to improved shaft sealing conditions and heavy-duty bearing unit       
    • High standardization, easy installation and robust construction equate to reduced maintenance and operating costs
  • CPE pumps are available in NSF61 and NSF372 certified materials.
Main applications
  • Clean and slightly contaminated liquids
  • Viscous liquids of up to 3'000 cSt
  • Fibrous slurries of up to 6% consistency
In the name of efficiency – the new CPE ANSI pump range
Main design features
  • State-of-the art hydraulics ensure optimum capacity with low net positive suction head required (NPSHr)
  • Optimized seal life thanks to improved sealing chambers and innovative balancing holes
  • Trouble-free Sulzer mechanical seals
  • Heavy-duty rigid bearing units ensure long bearing life and leakage-free construction
  • Heating jacket option available for applications that require a specific temperature to enable smooth pumping operation
  • Modular design reduces the spare part inventory cost
  • Quick and easy installation
Key characteristics
Capacities up to 1'650 m3/h / 7'000 USgpm
Heads up to 275 m / 900 ft
Pressures up to 27.5 bar / 400 psi
Temperatures up to 260°C / 500°F
Maximum speed of rotation up to 3'000 rpm / 3'600 rpm


  • Biofuels
    Biofuels from renewable sources show great potential as sustainable transportation fuel. Based on our experience in demanding processes, we work with customers to develop advanced pumping, mixing, and distillation solutions for the production of biofuels, from pilot to commercial-scale installations.

  • Biochemicals
    Biorefineries can rely on us to develop advanced pumping, mixing, and separation solutions for the production of biochemicals, from pilot to commercial-scale installations. We have broad experience in the processing of renewable raw materials and chemical processes.

  • Oleochemicals
    Oleochemical production involves demanding separation and purification processes to produce intermediates and end-products with the desired purity. As a pioneer in the oleochemical sector, we have been supplying our separation technology equipment, plants and expertise in the oleochemical sector for more than 35 years.

  • Pulp, paper and board
    Sulzer is the world leader in innovative, reliable, and proven pumping, agitation and mixing solutions for the pulp and paper industry. Our deep process and application knowledge is based on long-term close co-operation with the producers, machinery suppliers and engineering companies.

  • Sugar, starch and sweeteners
    Efficient production of sugar, starch and sweeteners puts high demands on the processing equipment. Thanks to many years of experience and comprehensive process know-how, Sulzer offers a wide portfolio of innovative process pumps, special pumps, mixers, agitators, compressors and aerators for these industry sectors.

  • Auxiliary applications
    The complex processes performed on a typical FPSO rely on the performance of dozens of pumps handling a variety of liquids under widely varying process conditions.

  • Mine water management
    Sulzer offers a comprehensive portfolio of pumps and process equipment for abrasive and corrosive environments in mine water management applications.
Related links

Products, services and news

  • Sulzer launches IEC-compatible CPE process pump
    December 14, 2021
    A few years ago, Sulzer launched the energy-efficient CPE ANSI (American National Standards Institute) centrifugal pump range. Now, responding to the market demand, Sulzer provides an IEC (International Electrotechnical Commission) compatible range of the pump.

  • Sulzer to supply pumps and mixers to the new bioproduct mill in Kemi, Finland
    March 24, 2021
    Metsä Fibre, part of the Finnish forest industry company Metsä Group, and Sulzer Pumps Finland have signed an agreement for the supply of process pumps, medium-consistency pumps and mixers for the main processes of the bioproduct mill that will be built in Kemi. The delivery will include several hundred devices.

  • Sulzer launches new CPE end-suction single-stage centrifugal pump
    June 05, 2018
    Sulzer has once again broken the conventions in the name of efficiency. The new CPE ANSI process pumps are specifically designed to exceed the strictest energy regulations for all industries as well as the requirements of ASME B73.1. With revolutionary hydraulics and high efficiency, they offer low life cycle costs.

  • Agitators, dynamic mixers
    Sulzer SALOMIX™ and Scaba mixing and agitation technology offers a wide range of products for industrial applications. Side-mounted horizontal and top-mounted vertical agitators, dynamic chemical mixers, and tower and tank flow management products guarantee effective mixing and agitating processes.

  • Pumps services
    Reliable and efficient pump operation is critical for your business. Therefore you need a service partner that can respond fast and flexibly. Our pump services are second to none and provide solutions that help you to improve your processes and business performance.

  • Original pump spare parts
    Original spare parts machined to the correct tolerances and clearances give a perfect fit first time, every time. Our commitment to continuous improvement often allows us to supply parts with improved features, thus enhancing performance, extending equipment life, while reducing maintenance costs.

  • Service kits
    When your equipment needs to be repaired you shouldn’t have to worry about spending valuable time searching for the right parts – or even worse, finding out that some small but vital parts are missing. With Sulzer service kits you get everything you need in one package.

  • Sulzer mechanical seals
    Sulzer mechanical seals are strong by design and have been proven very reliable in various pumping applications.

  • Ejector for pump
    Sulzer ejector is suitable for all horizontally installed pumps. It offers an easy solution for enabling fast, reliable and fully automated priming for retrofitting existing or new installations. It also includes a full automation package.
CPE heating jacket
Reliable and cost-effective sump pumping with Sulzer’s ejector
Careful commissioning of the pump plays a key role in the safe and reliable use of the pump
Connecting the pipes to the pump correctly is essential for ensuring the reliability of the pump
Case Studies and articles
  • Pumping equipment in phosphate fertilizer processes
    Pumps are at the heart of phosphate fertilizer production, and correct equipment selection that takes into consideration hydraulic design, materials of construction, application knowledge, duty point and maintenance regime are critical to achieving reliable long-term pumping operation and maximum plant production. Read the whole article.

  • Energy efficiency of pumping systems
    Pumping systems account for more than 20% of the world’s electrical energy demand, and in certain industrial plant operations they can be responsible for between 25% and 90% of the energy usage. Improving the energy efficiency of the pumping system will reduce production costs and support green credentials. Read the whole article.

  • Supporting sustainable fuel production
    Sulzer is at the forefront of engineering excellence and quality, delivering best-in-class solutions to support companies in important growth industries, such as biobased, renewable energy production. Understanding precisely what customers need, as well as maintaining the highest standards in manufacturing and service has led to many significant project wins, not least the collaboration with Inpasa, Latin America’s largest producer of corn ethanol. By the end of 2022, this partnership is anticipated to have grown to the delivery of almost 1’000 pieces of equipment, including pumps, sealing systems, agitators and static mixers across three production plants in Brazil. Read the whole article.

  • Case studies
    Wherever fluids are pumped, mixed, controlled or applied, we are there. See how our solutions create value for customers and learn how we can make your pumping and mixing processes more efficient and profitable, safeguarding your production and ensuring lasting reliability.
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