Solutions for challenging water treatment

WatMan Engineering

Customized water purification almost 30 years

WatMan Engineering Ltd Oy is Finnish manufacturer of customized water treatment systems. Since our establishment, our primary focus has been to design, manufacture and supply innovative water treatment equipment of the highest quality, for customers who demand more.

WatMan Engineering

Design, manufacturing and commissioning

Our team’s experience helps us design the most suitable process for each purpose. We manufacture and test each equipment individually to maintain constantly high quality and to ensure customer satisfaction.
Reverse osmosis, desalination, demineralization, ultrafiltration – whatever the water treatment is required, we know it.

WatMan Engineering

Service, maintenance and spare parts

We offer also spare parts and maintenance services customized to the customer’s preferences for all equipment delivered by WatMan. Available services include but are not limited to maintenance agreements, spare and wear parts and training.

This is WatMan Engineering

1000 projects

Almost 1000 delivered water treatment projects since 1995

24 cruise ships

50 delivered reverse osmosis plants to luxury cruise vessels. Cumulative production capacity 40 000 m³/d.

100 containers

More than 100 containerized water treatment units delivered around the globe

+50 countries

Worldwide water treatment project deliveries over 50 countries

Marine sector

Energy efficient desalination of sea water


Optimized solutions for process water treatment

Power plants

Deionized water for power and energy plants

Potable water

Turn-key solutions for drinking water production

Water treatment containers

Plug-and-play containerized water treatment units

We are responsible for quality

We are responsible for the design and manufacture of the systems
In accordance with the quality requirements of the ISO 9001 certificate.