Thetys Pumps SRL
Tel: +40 744 595 445
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

Because life is fluid.


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AHLSTAR NK and WK ranges – Thetys Pumps
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AHLSTAR NK and WK ranges

Thetys Pumps / Products  / Pumps  / Vertical pumps  / Vertical sump pumps / AHLSTAR NK and WK ranges

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.

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


AHLSTAR NK non-clogging and WK wear resistant vertical cantilever sump pumps

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

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