AHLSTAR NK and WK ranges

Efficient sump pumping with reliable cantilever design

AHLSTAR NK non-clogging and WK wear-resistant vertical cantilever sump pumps are used for demanding abrasive and large solids containing liquid and slurry sump pump industrial applications to ensure process reliability, high efficiency and low operating costs.

AHLSTAR NK non-clogging and WK wear-resistant vertical cantilever sump pumps
Main benefits
  • Long and trusted experience in all industrial segments
  • Excellent performance
  • Exceeds requirements of international ISO 5199 standard
  • Suitable for the most demanding industrial sump pump applications
  • Unique and superior design features minimize life-cycle costs
  • Quick and easy installation, safe operation, easy maintenance and service
Main applications
  • Abrasive and/or large solids containing liquids
  • Abrasive and/or large solids containing fibrous slurries
  • Abrasive and /or large solids containing non-fibrous slurries

Main design features
  • Versatile, reliable, high-efficiency hydraulics and material options
  • Innovative shaft sealing solutions for reliable operation and reduced cost
  • Reliable, simplified, and heavy-duty bearing unit
  • Modular design minimize the spare part inventory costs
Key characteristics
Capacities Capacity up to 430 m3/h / 1,900 US gpm
Heads Head up to 60 m / 200 ft
Pressures Pressure up to 10 bar / 150 psi, depending on material and size
Temperatures Temperature up to 95 °C / 205 °F
Discharge sizes NK: from 50 mm to 100 mm / from 2 in to 4 in
WK: from 50 mm to 125 mm / from 2 in to 5 in
Maximum speed of rotation Speed of rotation up to 1 800 rpm
Performance range
AHLSTAR NK non-clogging and WK wear-resistant vertical cantilever sump pump performance range
AHLSTAR NK and WK ranges
Applications
  • Chemicals for Pulp Paper and Board
    Tailored designs, features and material selections to meet the most demanding pumping, mixing, and agitation challenges in the production and preparation of chemicals, tall oil production, and lignin processing.

  • Coating and finishing
    A wide selection of highly efficient and reliable pumps and agitators for your pigment handling and color coating processes.

  • Paper and board machine and systems
    Sulzer’s extensive product portfolio is designed to meet the most demanding hydraulic coverage requirements and for all types of liquids, making it ideal for challenging pumping, agitation, and mixing operations in stock preparation, PM approach system, broke system, white water system, vacuum system, condensate system, and shower water system processes.

  • Wood yard
    Energy-efficient products with low life cycle costs and a lighter environmental footprint for your debarking, washing, chipping, screening, and bark and waste streams handling processes.
Related links

Products and services

  • AHLSTAR NV range
    AHLSTAR NV non-clogging vertical line shaft slide bearing sump pumps are used for demanding large solids containing liquid and slurry sump pump applications to ensure process reliability, high efficiency and low operating costs.

  • CVT vertically suspended sump pump
    The CVT can be applied to any sump application with moderate solid content.

  • FV cantilever pump
    FV non-clogging vertical cantilever sump pumps are used for demanding industrial sump pump applications involving large solids containing liquid and slurry. These pumps ensure process reliability, high efficiency and low operating 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.

  • Pump 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.

Industries

  • Food and beverage
    Food and beverage production relies on our pumping and mixing solutions. Special pumps and agitators have been developed for sugar, starch, and sweetener production. Separation equipment is often used in beverage manufacturing and our process technologies support purification and concentration.

  • Chemical processing
    Our solutions for the chemical processing industry include pumping, separation and mixing, as well as services for rotating equipment and infrastructure. We offer experience in classical chemical, plastic, and pharmaceutical production as well as in processing renewable materials.

  • Fertilizers
    Our pumps, mixers and agitators provide durability and reliability for fertilizers production as well as for corrosive and abrasive liquids and high gas content. Our specific industry experience also includes separation processes and servicing of pumps, compressors, turbines, and motors.

  • Mining and metals
    In the real world time is money, and worksites have no time for unwanted water. Sulzer has the solutions in a complete pump range for reliable dewatering.

  • 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.
How can we help you?

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