Centrifugal pumps
Inline, end-suction and multistage pumps circulate cooling water and transfer industrial and marine liquids.
View sourcePumps, flow systems and environmental recovery equipment
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Inline, end-suction and multistage pumps circulate cooling water and transfer industrial and marine liquids.
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Horizontal, vertical and multistage arrangements handle industrial circulation, high-head transfer and specialised marine duties.
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Self-priming pumps, priming units and stripping equipment handle drainage, ballast and mixed air/liquid duties.
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ROTAN internal gear and K-Series screw pumps transfer viscous liquids with material and sealing configurations matched to the fluid.
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Deepwell, canned and side-channel systems handle liquefied gas cargoes, alternative fuels and CO₂.
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UV treatment and variable-speed controls support ballast-water management, aquaculture and cooling systems.
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Application-specific naval pumps, refuelling skids and fire-protection systems integrate with vessel services.
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Ro-Clean supplies inflatable and solid-float booms for oil containment in offshore, coastal and inland waters.
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Ro-Clean combines floating weirs and vacuum recovery systems for oil on water, ground and industrial separators.
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Oleophilic brushes, discs, belts and mops recover oil across viscosity ranges and marine or inland conditions.
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Ro-Clean combines floating barriers, collection systems and multipurpose vessels for waterway and shoreline cleanup.
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Engineering, commissioning, testing, maintenance and training are delivered through DESMI operating companies and specialist partners.
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Onboard sampling is arranged with Eurofins laboratory analysis, followed by results, recommendations and a certificate.
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Onboard, shore-based and computer-based training covers CompactClean operation and servicing.
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DESMI Ro-Clean delivers Nautical Institute-accredited OPRC Model Courses at levels 0, 1, 2 and 3 for awareness, first responders, supervisors and senior management.
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Feasibility, mechanical design and integration develop pump, piping, skid and automation systems for the intended installation.
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Inspect, commission and troubleshoot installed pumps and flow systems for marine, offshore, heating, cooling, utility and fire-water applications.
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Service teams maintain, repair and upgrade pumps and controls on behalf of DESMI businesses.
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Pump performance testing at DESMI Pumping Technology’s Nørresundby facility.
Vopak Singapore
DESMI Singapore’s local workshop inspected PD202 pumps and undertook a PD201 overhaul/upgrade for changed pressure requirements, including coupling, gearbox and motor work. The account describes a fleet of 12 PD201 and 7 PD202 pumps; the 13-year-old PD201 upgrade was still underway when written, so completion is not established.
Carletti Polska Sp. z o.o.
Nine ROTAN pumps were operating at the Polish chocolate factory when the undated account was written. The maintenance manager attributed fewer seal changes and removal of black-particle contamination in white chocolate to the replacement pumps; these are customer observations, not guaranteed performance.
NCC
NCC selected ROTAN HD152 pumps for Danish asphalt plants, with electric heating and a control interlock that prevents cold starts. The customer describes a 50–70 m³/h unloading requirement for approximately 38-tonne loads within a one-hour slot; the undated account describes a rollout rather than establishing completion at every plant.
Kinnerton
More than 38 ROTAN pumps were delivered to the Norfolk factory over the 18 months preceding the undated account. Fixed and mobile chocolate-transfer duties used variable-speed control; the customer described reduced maintenance after conversion.
Ro-Clean’s initiative began in 2015, with a first complete Sargazo Boom installation in January 2016 and Mesh Boom development in 2018. The undated account describes more than 20 km of installed Mesh Boom and three removal-device designs; the installation total is historical and no individual customer is named.
Cyber Essentials Plus: DESMI A/S and subsidiaries
Certificate names DESMI A/S and Subsidiaries at Tagholm 1, Nørresundby, with scope 'Whole Organisation', profile version 3.2 (Willow). Certified 7 May 2026; recertification due 7 May 2027. JOVASI Technology certificate 04dfd92f-2b41-431b-ae2e-df5fb8ff7120 covers ICT assurance. The document does not enumerate the included subsidiaries.
ISO 9001: ROTAN test and production quality system
The Nørresundby test-bed page identifies a BVQI-certified ISO 9001 quality system for ROTAN static leak and dynamic testing. The detailed facility belongs to DESMI Pumping Technology; no certificate dates or parent-wide manufacturing scope are stated.
Nautical Institute OPRC course accreditation
DESMI Ro-Clean states accreditation for OPRC Model Courses levels 0, 1, 2 and 3. This is the training provider’s course accreditation; no validity dates are given.
IMO and USCG type approvals: CompactClean systems
The CompactClean product pages state IMO and USCG type approval. CompactClean uses a single global mode; OptIMO uses separate operating modes. Approval, capacity and UV-transmission conditions belong to the selected system; these are product approvals, not DESMI A/S management-system certificates.
ATEX: selected ROTAN configurations
The ROTAN family page identifies PTB registration 03 ATEX D052 and ATEX-compliant configurations for explosive atmospheres. Applicability depends on the pump model and installation documentation; the statement does not cover every ROTAN arrangement.
UK and Ireland Spill Association: DESMI Ro-Clean
Ro-Clean’s approvals page states membership of the UK and Ireland Spill Association. The statement applies to Ro-Clean; no membership dates are stated.
Pumps, liquid-handling systems, water treatment and pollution-recovery equipment serve marine, industrial, utility, aquaculture and defence applications. DESMI A/S is the Danish headquarters of the commercial group, with a business lineage dating to 1834. The portfolio is supplied and serviced through separately named operating businesses, including DESMI Pumping Technology A/S, DESMI Danmark A/S, DESMI Ro-Clean A/S and Nordan Marine A/S. Pump test-bench facilities at Nørresundby belong to DESMI Pumping Technology; environmental equipment and oil-spill training are offered by Ro-Clean. Regional service and project execution are identified where the source establishes them.
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Updated Sep 13, 2026
