ESL Centrifugal Pump

High-efficiency In-line centrifugal pumps
Up to 225 m³/h (990 US gpm)


Request Quote


The ESL Centrifugal Pump is designed for high efficiency, low NPSH and is installation and service friendly. The ESL is widely used within different applications and markets.

  • Hot water circulation
  • Fresh water circulation
  • Refrigeration
  • HVAC
  • Hydrophore pump
  • Cooling water
  • The pump can be equipped with an air-driven or electrically driven priming device.


Within Aquaculture industry the pumps are suitable as:

  • Freshwater
  • Waiter with additives
  • Seawater
  • Oils up to 500 cSt


RAS Applications:

  • Oxygen Control
  • Intake Water Pumps
  • Cooling/Heating Pumps


DESMI ESL centrifugal pumps meet the requirements for:


  • Low maintenance costs
  • High efficiency
  • Low NPSH
  • High configuration flexibility
  • Compact design
  • Installation and serviceability


Design Features

ESL pumps are single-stage centrifugal pumps equipped with mechanical shaft seal for maximum life and minimum friction loss. ESL pumps are single-stage centrifugal pumps with connecting flanges according to international standards. Further the pumps can be fitted with electric motors with flange dimensions also according to all international standards.


Nominal diameter (DN) 25 to 100
Flow rate - 50 Hz Up to 200 m³/h (880 US gpm)
Flow rate - 60 Hz Up to 250 m³/h (1100 US gpm)
Head Up to 65 m (220 ft)
Pressure Up to 30 bar (435 psi)
Temperature Up to 140°C (284°F)
Motor Standard and EX motors
VFD Direct or Bulkhead/Wall-mounted
ATEX approved Yes


Download Brochures

ESL (Marine)

  • English
  • Dutch
  • Chinese

ESL/ESLH (Industry)

  • English
  • Danish
  • American

ESL (Utility)

  • English
  • French
  • Russia
  • German
  • Polish
  • Dutch
Download Manuals

ESL Monobloc (T1515)

  • English
  • Danish
  • Polish
  • Russia
  • Swedish
  • French
50 Hz



960 RPM  1450 RPM  2950 RPM




 960 RPM  1450 RPM  2950 RPM


60 Hz



 1152 RPM  1740 RPM  3540 RPM




 1152 RPM 1740 RPM 3540 RPM




ESL Monobloc - Dimensional Sketch (p. 29)




ESL Monobloc - Assembly Drawings




ESL 25-180


ESL 40-180


ESL 50-180




ESL 65-180


ESL 80-180



Selection programs

Find curves for existing pumps, get GA drawings for initial designs and compare efficiency, motor power, NPSH and other data to find the right pump.

DESMI Centrifugal Pumps

The range of centrifugal pumps is made to meet the requirements of a wide array of different applications. Be it district heating, cooling, HVAC, fire-fighting or perhaps pumps for the engine room of a maritime vessel, a centrifugal pump is often the ideal choice.

DESMI's centrifugal pumps are characterised by high-level efficiency and low NPSH values. Our vertical pumps require minimal space and provide easy access for maintenance of the pump's rotating parts.

Global Contacts

DESMI is a global company

Find address and contact information of our global locations

Join our newsletter

Sign up for our newsletter and we'll send you the latest headlines directly to your inbox.