High-Quality Pumps and Pumping Solutions

DESMI is the natural choice when looking for high-quality pumps and pumping solutions. We have engine room pumps for every on board application.

High-Efficiency and Reliable Marine Pump Solutions

With DESMI pumps and solutions you are quaranteed high-efficiency and energy saving pump systems, saving tons of fuel, money and CO2 on board every day.

Fast Replacement Pumps

DESMI delivers fast replacement pumps for minimum down time and spare parts are delivered within the same day as ordered.

Energy Saving Systems

DESMI delivers energy saving systems for pumps and engine room fans. Installation can take place in just 3-5 days and during sailing.

Support from all over the world

Technical support is delivered by our dedicated team of specialist all over the world.

Marine & Offshore

Reliable Marine Pump Solutions

DESMI offers more than 100 types of pump designs and variations, covering all applications of the engine room, ensuring that you will always get the right pump for the job. The pump range covers centrifugal pumps and gear pumps. All DESMI pumps are designed for high efficiency and lowest possible power consumption..

Proven technology and energy efficient pumping solutions you can rely on:

We offer complete pump packages

Newly developed pumps and acquisitions have made our product range more comprehensive. To supplement our product range we co-operate with other manufactures of high-quality pumps and



Pumps for Free

A cash flow neutral investment concept for Energy Saving Solutions.

With the Pumps For Free concept, DESMI offers a unique financing package for shipowners who want to
energy optimize their vessels, where the savings are used to pay for the investment. Short pay-back time, typically between 14-18 months.

Download Flyer Here


DESMI offers an outstanding After Sales & Service

DESMI's technical experts, providing invaluable knowledge and ensuring ownership costs are kept to a minimum. Our product range supplemented with agency products from other leading, world class manufacturers – is completed by related services such as the design and installation of pump plants and after sales service through our network of service centres.

The DESMI Service Concept comprises:

  • World-wide service - by phone or in person
  • 24/7 - 24 hours service 7 days a week
  • Documentation of legal requirements and certifications
  • Customer adapted solutions
  • Spare parts solutions
  • Complete range of pumps
  • DESMI 48


Recent Headlines

One more approval of CompactClean BWMS in the bag!

One more approval of CompactClean Ballast Water Management System in the bag!
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DESMI has committed to the UN sustainable development goals

DESMI has committed to the UN sustainable development goals and we stand together with local authorities and other manufacturers to try to make a difference.
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DESMI Strengthens Presence in Greece

It is with great pleasure we announce that we are now opening an office in Athens, Greece.
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MORE DESMI Steps in Canada

MORE DESMI Steps in Canada. We are adding more value to our operation in Canada and are proud to announce that we have setup a local office just outside Toronto.
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DESMI’s field service – much more than just a man in a van

DESMI’s field service! Developing and supplying reliable pumps is only part of the equation for DESMI. State-of-the art field service gives customers peace of mind.
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DESMI Ocean Guard’s CompactClean Ballast Water Management System receives IMO Type Approval

DESMI Ocean Guard A/S is pleased to announce that its CompactClean Ballast Water Management System (BWMS) has received IMO Type Approval.
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DESMI EnviRo-Clean - New Concept in DESMI

Marine and Aquatic debris is one of the most widespread solvable pollution problems plaguing the world’s oceans, rivers, and lakes. Successful management of the problem requires a comprehensive understanding of marine and aquatic environments
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DESMI now on Facebook!

Don’t miss out on the great stories from our DESMI family - follow us and get a closer look into our daily work, our employees, our competences, our knowledge and much more.
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New sales team in Sweden

DESMI opens a new sales office in Sweden near Gothenburg with a brand new sales team
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Completion of landbased type approval tests

The required IMO and US Coast Guard landbased testing of the CompactClean BWMS is completed
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Annual Report 2017 – DESMI A/S

The 2017 result is in line with the budget for the year and is consequently considered satisfactory.
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DESMI upgrades to future-proofed pump testing capability

Increased range of certified testing and the promise of customer remote viewing are key features of DESMI’s latest high-tech test bed
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DESMI Ocean Guard A/S wins Fleet-wide Contract for Supply of CompactClean

DESMI Ocean Guard A/S is proud to announce that a contract for fleet-wide supply of CompactClean has been finalized with Turkish company: MISHA Shipping.
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Release of New DSL Centrifugal Pump Video

It is with great pleasure that we can announce the release of our new product video for the DESMI in-line DSL double suction centrifugal pump.
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DESMI introduces solution to reduce costs and energy loss on electric installations

DESMI is introducing a new solution that enables shipowners and operators to avoid overheated and damaged electric installations
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DESMI Ocean Guard A/S Launches New Ballast Water Management System

DESMI Ocean Guard A/S is proud to announce the launch of a new Ballast Water Management System – The CompactClean
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DESMI Automation has its eye on energy efficiencies

DESMI aims to be the go-to source for customers and companies that hope to solve energy optimisation problems smarter and more cost-effectively via automation.
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A Goldmine of Knowledge to Share – DESMI Article Collection

Knowledge to share with colleagues, customers, business partners, and media around the world.
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DESMI Whole Ship Pump Integrator on Board UK Royal Navy’s New Type 26 Frigates

DESMI has signed a contract for the delivery of pumps for three Type 26 frigates
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DESMI Expands Business in India

In order to strengthen our presence in India DESMI has established a new 3,000 sqm production facility in Hyderabad.
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DESMI enters partnership agreements in Ghana

DESMI recently launched their Ghana initiative by appointing 2 partner companies to promote DESMI products & services in Ghana.
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USCG type approval of RayClean Ballast Water Treatment System – Update 2017

Legislative and technical efforts regarding acceptance of the MPN method in the US are making good progress
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Strong Competences in CS Electric Nord Continue at DESMI

DESMI will take over CS Electric Nord ApS, an automation company in Aalborg, on 1 January 2017.
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Modularity from Platform Design down to Component Configuration

In the middle of November, the Danish frigate Peter Willemoes visited Baltimore, Maryland in USA.
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Danish Business Event and the launch of DESMI in Côte d'Ivoire

At the end of September DESMI and the Ambassador of Denmark to Ghana and Côte d'Ivoire hosted a "Business get together" in Abidjan.
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The Ballast Water Management Convention has been ratified

The latest accession by Finland has resulted in a ratification of the BWM Convention and the act will enter into force September 2017
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New Video: Pump Features Displayed in Style

We are very proud to present our new video for the DESMI Vertical (NSLV) & Horizontal (NSLH) End-suction Centrifugal Pump.
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DESMI is one of a 1000 companies to inspire Europe

London Stock Exchange Group has published a report in which DESMI has been selected as one of the most dynamic enterprises in Europe.
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DESMI Active in Removing Plastic from the Ocean

The Ocean Cleanup, based in the Netherlands, has launched a containment boom to be tested in the North Sea. The boom is designed, produced and delivered by DESMI
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DESMI Ocean Guard receives ATEX certification

DESMI Ocean Guard receives ATEX certification for its RayClean-EXTM ballast water treatment system, enabling installation in hazardous areas on tanker vessels.
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DESMI Opens an Office in Sweden

As part of the endeavours to get closer to the customers, DESMI opened a new office in Gävle, north of Stockholm, Sweden, on 1 May 2016.
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Yet Another Satisfactory Annual Result for DESMI

The annual report for 2015, which was adopted at the recent annual general meeting, shows a profit in accordance with the budget.
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DESMI Eliminates Up-front Investment in Energy-saving Pumps

DESMI has removed a key barrier for shipowners to adopting cleaner, greener technologies and making energy savings: The up-front investment.
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Release of Modular S Video

See all features of our Modular S horizontal self-priming centrifugal pump in our new video
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Global support gathers for the acceptance of the MPN Method

DESMI Ocean Guard A/S announces that it will appeal US Coast Guard’s preliminary decision to not accept the MPN method for type approval testing of ballast water treatment systems.
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The Ballast Water Management Convention is at a tipping point

Morocco and Indonesia has ratified the Ballast Water Management Convention - an act that might put the whole convention in to force.
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DESMI CEO is Regional Owner-Manager of the year

November 12th DESMI CEO, Henrik Sørensen was named Owner-manager of the year in the northern region of Denmark.
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DESMI Ocean Guard wins contract for Maersk Line

DESMI Ocean Guard A/S announces that it will supply 14 RayClean™ ballast water treatment systems to a series of new container vessels to be built at COSCO Zhoushan shipyard in China, for the Danish shipping giant Maersk Line.
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Meeting the Next Generation Engineers

DESMI takes pride in building bridges between the educational sector and the business community.
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Energy-Efficient DESMI Pump Approved

Great news for DESMI and energy-concerned industries as the NSL series has been approved to accommodate EU standards.
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DESMI receives royal attention at the Danish Maritime Fair

This month The Danish Maritime Fair returned for its second edition and expectations were high following the success of last year.
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Meet DESMI at fairs this week

An always important duty to DESMI is our role at the various fairs around the world.
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We are proud to present our new DESMI ROTAN ED Video

Magnetically coupled pumps for ultimate protection against leakage
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High-Quality Pumps Help Fish Farms Handle Growth

With fewer and fewer fish in our seas, fish farming has grown to become an enormous industry worldwide
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UV ballast water treatment close to US approval

Shipowners have found it increasingly difficult to comply with bwt regulations in the US. But there’s good news
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DESMI Lifts Green Ship Business Case

Maritime pumping solution manufacturer DESMI’s energy-optimisation approach generates positive cashflow for shipowners struggling to comply with new regulations.
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Pumps For Free

With the Pumps For Free concept, DESMI offers a unique financing package for shipowners who want to energy optimize their vessels, where the savings are used to pay for the investment.
Read More

Save Fuel – Reduce Emission – Earn Money! OptiSave - Frequency Converter Automation

If you missed this seminar - Don't panic! Contact DESMI and get the tools you need for energy efficiency and fuel savings in compliance with IMO, SEEMP and EEDI
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DESMI’s RayClean BWTS earns US Coast Guard AMS acceptance

The AMS acceptance covers all salinities ranging from freshwater to marine water, something that only 8 out of 52 issued AMS acceptances have achieved to date.
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Danish Maritime Fair

New international maritime fair is taking place in Copenhagen, DK and DESMI is present at stand no B0-025
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DNV Type approval

On September 5’th 2014 DNV GL issued type approval certificate for the RayCleanTM system.
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New Marine & Offshore brochure

Thousands of DESMI pumps are at work on the seven seas,
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DESMI Ocean Guard shares sold to DESMI A/S

A.P. Moller - Maersk A/S and UltraAqua A/S have sold their shares in DESMI Ocean Guard A/S to DESMI A/S
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More to scrubber pumps than meets the eye

Operating an onboard chemical processing plant – a scrubber – isn’t exactly business as usual for most shipowners.
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DESMI reported acceptable result for 2013

Indicating an optimistic trend coming into the New Year
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New ESL In-Line Centrifugal pump from DESMI

ESL - High-Efficiency Vertical in-line centrifugal pumps
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AMS Acceptance from the US Coast Guard

As the first in the world DESMI Ocean Guard’s BWTS OxyCleanTM receives AMS acceptance from the US Coast Guard,
Read More

Royal visit at DESMI Headquarters

DESMI had the pleasure of welcoming His Royal Highness Crown Prince Frederik of Denmark and Mrs Ida
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DESMI Scales Down the Sale and Marketing of DESMI Ocean Guard BWTS

the sale of ballast water treatment systems was based on a licence agreement between DESMI Ocean Guard A/S
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New DESMI office in India

To strengthen our regional presence in India, DESMI is happy to announce the opening of DESMI India, branch office in Mumbai
Read More

Product Release - RayClean

DESMI Ocean Guard A/S is proud to announce the release of a new Ballast Water Treatment System
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ABS Type Approval

We are happy to announce that we have received the ABS Type Approval on our OxyClean Ballast Water Treatment System.
Read More

Containerised BWTS solution tested

The OxyCleanTM system based on UV and ozone has done successful testing in both fresh, brackish and salt water.
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DNV concludes safety assessment

DNV has conducted a safety assessment of DESMI Ocean Guard’s BWTS “OxyCleanTM”.
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Press Release Annual Report 2012

Download our press release in Danish
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DESMI received Bühler Supplier Performance Award

At this year’s Supplier Excellence Day 2012 in Kartause Ittingen, 60 of Bühler’s best suppliers worldwide were distinguished.
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OxyClean G8 type approval

Our OxyClean BWTS tested for use also in fresh water is now type approved by Lloyds Register of Ships!
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MEPC grants final approval

IMO Marine Environment Protection Committee (MEPC) has decided to grant Final Approval to DESMI
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Dynamic adaptation of pumps

DESMI has enjoyed great success with new energy-saving pump equipment for Lauritzen Kosan and others.
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License agreement

It is a great pleasure to announce that DESMI and DESMI Ocean Guard A/S have signed a license agreement
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Final approval recommendation

We can announce that the IMO Ballast Water Working Group (BWWG) under GESAMP has concluded their evaluation of our application for Final Approval
Read More

DESMI Pursues Further Growth

While DESMI A/S, the Danish pump manufacturer, can look back on a year that in many ways is expected to
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Entrepreneur of the Year in Denmark

It is a pleasure to announce that DESMI has won the Danish part of the competition and received the very prestigious business award Entrepreneur of the Year 2011 in Denmark.
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Entrepreneur of the Year 2011 in the Region Northern Jutland, Denmark

We are very pleased and proud to inform you that DESMI was awarded the award Entrepreneur of the Year 2011
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DESMI Ocean Guard A/S - New Directors

We are very pleased to announce that Rasmus Folsø will join DESMI Ocean Guard A/S as Managing Director
Read More

Successful land-based test completed at DHI

DESMI Ocean Guard A/S is proud to announce that the land-based test of our BWTS has been successfully completed
Read More

DESMI has ballast water treatment under control

DESMI A/S and DESMI Ocean Guard A/S have entered into a co-operation agreement on the sale of BWTS.
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DESMI Cover Story - Ballast Water Treatment Systems

DESMI article in NAFS Green Shipping Magazine
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DESMI EnergyCheck optimises pump efficiency

DESMI, has developed a process for checking the energy efficiency of marine pump installations
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Optimize your pumping efficiency

Article from Søfart - special edition
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Danish minister for Environment Troels Lund Poulsen

presents award to Dan Marine
Read More

New strategic partnership

to boost protection of local maritime eco-systems
Read More
To the top

Join DESMI at Expo Maritt, Turkey, 16-19 April 2019

The International Maritime Exhibition & Conference is taking place April 16-19 2019 in Istanbul, Turkey

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Join DESMI at Spotkanie Ciepłowników, 24-26 April 2019

Spotkanie Ciepłowników is taking place April 24-26 2019 in Zakopane

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Join DESMI at CHEMUK, UK, 1-2 May 2019

The new 2 Day expo for the UK’s Chemical Industry is taking place May 1-2 2019 in Harrogate, Leeds City Region, UK

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Join DESMI at Atlantic Fair, Faroe Islands, 21-23 May 2019

 The Internatioan Maritime Exhibition is taking place May 21-23 2019 in Klaksvik, Faroe Islands

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Join DESMI at Spillcon, Australia, 20-24 May 2019

The international oil spill conference for the Asia-Pacific region, Spillcon 2019, is taking place May 20-24 in Perth, Australia

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Join DESMI at Bari Ship, 23-25 May 2019

Bari-Ship exhibition and conference is held May 23-25 in Ehime, Japan

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Join DESMI at Flowtech, 3-5 June 2019

The Flowtech China exhibition is taking place June 3-5 in Shanghai, China

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Join DESMI at Future Surface Fleet, 4-6 June 2019

The Future Surface Fleet 2019, is taking place June 4-6 in Portsmouth, UK

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Join DESMI at Nor-Shipping, June 4-7, 2019

The exhibition where the maritime and ocean industries meet every two years is taking place June 4-7 in Oslo, Norway

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Join DESMI at BuildExpo Kenya, 4-6 July 2019

East Africa's largest building and construction fair is taking place July 4-6 in Nairobi, Kenya

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Join DESMI at AquaNor, 20-23 August 2019

The world’s largest aquaculture technology exhibition is taking place August 20-23 2019 in Trondheim, Norway

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Join DESMI at Donsö Shipping Meet, 3-4 September 2019

Swedens biggest shipping event, Donsö Shipping Meet, is taking place September 3-4 in Gothenburg, Sweden

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Join DESMI at MAST, 4-6 September 2019

The MAST conference and trade-show is taking place September 4-6 in Chiba, Tokyo

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Join DESMI at BaltExpo, 9-11 September 2019

The 20th International Exhibition and Conferences BaltExpo is taking place September 9-11 2019 in Gdansk, Poland

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Join DESMI at NEVA, 17-20 September 2019

The 15th International Maritime Exhibition and Conferences of Russia is taking place September 17-20 in St. Petersburg, Russia

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Join DESMI at BWMTech North America, 24-26 September 2019

BWMTech is taking place 24-26 September, Florida, USA

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Join DESMI at Inmex SMM 3 - 5 October 2019

South Asia's largest Maritime exhibtion & conference is taking place October 3-5 in Mumbai, India

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Join DESMI at DanFish, 9-11 October 2019

The exhibition for equipment to the fishing industry, DanFish, is taking place October 9-11 in Aalborg, Denmark

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Join DESMI at Kormarine, 22-25 October 2019

The International Marine, Shipbuilding, Offshore, Oil & Gas exhibition, Kormarine, is taking place October 22-25 in Busan, Korea

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Join DESMI at Europort 5-8 November 2019

The leading exhibition for special purpose vessels Europort is taking place November 5-8 in Rotterdam, Netherlands

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Join DESMI at Marintec China, 3-6 December 2019

The Maritime exhibition, Marintec China, is taking place December 3-6 in Shanghai, China

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Join DESMI at The BWMTech Conterence, 9-11 December 2019

2 day conference with ship owner case studies on ballast water and brand new workshop on crew training taking place in London 9-11 December 2019

I’m interested. Tell me more

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