DESMI Company Profile

DESMI Marine Flow solutions

DESMI OptiSave - Energy Saving System

DESMI DesFuel Deepweel Pump

DESMI Magnetic Drive Pumps

From engine rooms to ballast water tanks, we supply energy-efficient pumps and systems that keep your critical processes flowing on every type of ship all over the world.

DESMI is well known for products that provide trouble-free performance and low energy consumption – and for global service that keeps them running that way.

Engine room (cooling, ballast, fire, bilge, and water circulation)
Liquid cargo handling
Decarbonization
Energy reduction
Ballast water management
Fire safety
Etc.

DESMI Pumping Technology A/S

DESMI has been developing magnetic coupling technology since the 1990s. Over decades of continuous improvement and proven operation, DESMI magnetic drive solutions have been widely applied in chemical transfer services where safe containment and reliable performance are essential. Today, as fuel strategies expand to include methanol, ethanol, ammonia and LPG, seal-less pumping offers a practical way to strengthen safety and environmental protection while supporting stable operation.

Seal-less transfer with magnetic drive centrifugal pumps
 

In conventional pump designs, the dynamic shaft seal is one of the most common potential leakage points and typically requires inspection, service, and - depending on duty - auxiliary support systems. Magnetic drive centrifugal pumps take a different approach by eliminating the dynamic shaft seal entirely. Torque is transmitted through a magnetic coupling, enabling fully seal-less containment of the pumped medium.

For operators handling toxic, flammable, oxidizing, environmentally hazardous, or high-value liquids, this concept supports leakage-free transfer while also reducing complexity. Compared with traditional dual mechanical seal arrangements (cartridge or non-cartridge), magnetic drive technology can lower maintenance demands, minimize unplanned downtime related to seal issues, and reduce the need for auxiliary seal-flush systems - benefits that are especially relevant in marine operations where maintenance windows are limited.

CompactClean brochure

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Compliant with both IMO and USCG standards, the system uses UV treatment to eliminate harmful microorganisms - safe for crews, effective for the environment, and ready for use in ports worldwide.

IMO & USCG Approved
Chemical Free Treatment
Down to UV-Transmission of just 35% in IMO waters and 40% in USCG territory
No salinity or temperature limitations
Fully automated operation
Automatic flow control and lamp dimming
Low holding time
Multipurpose Backflush/Recirculation/Stripping pump included

CompactClean Ballast Water Management System

A compact, efficient, and globally compliant solution. Designed with low system footprint and high flow rates - smooth operation and easy installation

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CompactClean Ballast Water Management System

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