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Katadyn Power Survivor 40 E (12V) Desalinator

  • Katadyn Power Survivor 40 E (12V)

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Product Description

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The Katadyn Power Survivor 40 E ( 12V) is the world‘s smallest electrical desalinator.

Simplicity - The 40E contains 40% fewer parts than its popular predecessor, the PowerSurvivor-35.

Simplified construction and rugged design make the 40E remarkably easy to install, operate and maintain. Compactness - Extraordinarily compact, the 40E can be installed in the nooks and crannies otherwise unusable in many yachts. Efficiency - No watermaker draws so few amps.

Using only 4 amps, the 40E can run for extended periods on alternative power alone.

Durability - The heart of the 40E is the rugged stainless high-pressure pump. Armed for the rigors of the marine environment, this watermaker is built to last. We're so certain, we've covered it with a superior warranty: 3 years on most components. Special - The PowerSurvivor-40E is the only power watermaker that converts to manual operation in emergencies.



  • Dimensions (cm): 17.2 x 41.9 x 39.4
  • Dimensions (in): 6.8 x 16.5 x 15.5
  • NATO #: 4610014658018
  • Output (gal): 1.50 gal/h (± 15%)
  • Output (L): 5.70 l/h (± 15%)
  • Power requirements: 12-volts DC/4 amps
  • Salt rejection (average): 98.4% (min. 96%)
  • Technology: Reverse Osmosis
  • Weight (grams): 11.3 kg
  • Weight (oz): 25 lbs


  • Can be operated both electrically and manually.
  • Ideal for boats up to approx. 13 metres or one to four people.
  • Compact and highly durable product which has been put to the test by, e.g., ocean sailors.
  • Available as 12V or 24V unit.
  • Optimum pump frequency in manual operation: 30 pumps per minute = almost 3 liters in 30 minutes.
  • Makes boat owners independent of water stations on the coast.
  • Covers entire daily water requirement (drinking, cleaning etc.) of 4 people at an operating time of 4 to 5 hours.
  • By the way: the water requirement is much less on board than on land.


To remove dissolved salts from seawater with reverse osmosis, part of the salt water is filtered through a semipermeable membrane. Only 10% of the water passes through the membrane. The remaining 90% flow past the membrane and at the same time cleans the membrane (self-cleaning effect).The small size of the “membrane pores“ ensures extremely pure drinking water, but extremely high pressures must be generated - normally 55 bar.

Reverse osmosis is used worldwide to obtain drinking water, e.g. in the semi-conductor industry and in medicine.


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