Pumppulohja Oy

Laatutie 4
09430 Saukkola


+ 358 20 741 7229

Water engineering and solutions for maritime industry

Less is more with WatMan — Less energy, less downtime and less maintenance resulting in increased customer satisfaction and more money saved. These are the fundamentals of WatMan´s Reverse Osmosis systems.

WatMan is one of the world´s leading manufacturers of water appliances for cruise ships.* We have delivered solutions for producing fresh water from sea water by desalination to some of the largest and most luxurious cruise ships since 2008. Our products are extremely energy-efficient, long-lasting and thus environmentally friendly. WatMan offers you the most energy-efficient Reverse Osmosis equipment on the market, reducing energy consumption by 60% compared to conventional fresh water systems.**

Our systems feature a variety of techniques, such as filtration, ultrafiltration, reverse osmosis, remineralization and water softening. The systems are tailor-made for each and every client separately, to fit their needs perfectly. Whether you need a standard system of high quality, or a perfectly tailored special system, WatMan will deliver.

We have delivered dozens of water treatment solutions around the world, to some of the world´s largest cruise ships, such as the Norwegian Joy, the Norwegian Escape and the Oasis of the Seas.

  • * Cumulative capacity more than 23000 m3/d (more than 6,1 MGD)
  • ** Production capacity 10-3000 m3/d/vessel (up to 0,8 MGD/vessel)

Energy consumption 2,4-4,0 kWh/m3 of fresh water

Fresh water quality:

  • 1-pass: 100 mg Cl/l (100 ppm as Cl)
  • 2-pass: 10-20 mg Cl/l (10-20 ppm as Cl)
RO-desalination process

2-pass desalination process

SWRO-desalination process with energy recovery, type 1

SWRO-desalination process with energy recovery, type 2

Some of our clients

Norwegian Escape -luxury liner

Meyer-Werft Papenburg


Mein Schiff -luxury liner

Norwegian Cruise Line

Royal Caribbean International