Technology Overview


Fresh Water - Plenty of fresh water greatly improves the quality of life on board.

On board energy is limited and expensive so the size of a watermaker is not as important as how much water can be made for a given amount of energy. The Catalina 300 gives you more water per unit of energy than any other system, approximately 1 amp-hour per gallon.

NOTE: Actual speed is twelve seconds per cycle.

With a new process developed in 1997 and improved continually since then - The Spectra Clark Pump features a unique two stage pumping and pressurizing system. The first stage is a simple diaphragm or vane feed pump which supplies raw water flow and pressure for prefiltration, circulation, and the driving energy for the second stage, the Clark Pump.

The Spectra Watermachine with its Unique Clark Pump is the most efficient marine watermaker available!

With models producing between 150 and 1000 gallons (590-3800L) per day with efficiencies running between 15 and 20 Watt hours per gallon, the 12 Volt DC Catalina 300 produces
12.5 Gallons per hour on 14 Amp hours.
This is a leap above the rest.

The Clark Pump is a unique pressure intensifier that uses two opposing cylinders and pistons that share a single rod. Water pressure from the small feed pump is used by one of the cylinders to make the other pressurize and circulate the saltwater through the reverse osmosis membrane. Pressurization is achieved when the rod, as it is forced into a cylinder, displaces water in the closed loop circuit. The pressure instantly rises to the point where the displaced volume of water is forced out of the membrane as the fresh product. When a driving cylinder's piston touches the base, the process is instantly reversed.

Pressurization is almost continuous. There is no energy wasting "back stroke" like in other systems and no need for gears or crank shafts that need oil and servicing. All moving parts are made of non-corrosive materials.

The Spectra Watermachines unique pressurizing process was developed by marine engineers and mariners in response to the high cost and inefficiencies of existing systems. The complete system was created in collaboration with the marine technicians at Spectra, Inc., with extensive materials research, careful combining of existing technologies, arduous bench testing, and real world testing on offshore vessels.

The Newport 1000 is the highest capacity DC watermaker available in today's marine market place! No one else can produce 1000 GPD (3600L) on Low voltage ( 24 Volts DC).

S P E C I A L   F E A T U R E S: Exceptional energy efficiency Quiet continuous operation Fully automatic operation with the MPC 3000 Full range of sizes to meet your vessels needs Ideal for solar and/or wind powered systems Easy to install modular designs Product water flow unaffected by sea water temperature 12V, 24V or AC powered units available No gears or crank shafts that need oil and service Watermakers 101 a PowerPoint presentation, 5.31 MB

Installed aboard a Taswell 52 by Garth Hitchens Co.

Don't make a choice until you've considered a Spectra Watermaker!

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"Astonishing low power consumption" - Practical Sailor, January 1998