Water can have many types of contaminants and the quality of water varies from place to place. Therefore there is no one universal water treatment technology or process which is the best and can take care of all water problems. The solution depends upon the quality of the water available which tends to vary from location to location. Therefore Pentair's approach has always been to first get a water test done, and then recommend the appropriate water treatment technology for it.
Depending upon the contaminants present and the relative capabilities of various water treatment technologies, Pentair would recommend an appropriate solution. The suitable solution could range from simple filtration to softening to ultrafiltration to reverse osmosis technology.
Pentair Water India has recently launched its range of water purification systems which are based on reverse osmosis technology.
Reverse Osmosis
Reverse Osmosis (RO) is an advanced water purification technology initially used by industries located on coasts and the armed forces to purify sea water and make it drinkable. It has now been adopted for use in homes and offices to purify the increasingly polluted water in our cities. The Reverse Osmosis technology is used in areas like Healthcare and Scientific research where purity is not just important but critical. It has now been adopted for use in homes and offices to provide the same level of purity at minimal cost.
RO was originally developed in the 1950s by the US government as an economical method of desalinating sea water.
It is the most efficient and effective method of water purification known to man. It uses a special, semi-permeable membrane which removes impurities as small as 0.0001 micron (i.e. 0.00000004 inches) in size, cleansing water of all biological impurities, suspended particles, dissolved solids (TDS), salts, metals and chemicals. Most non-RO systems can filter particles only up to 0.5-10 microns in size, leaving out almost all dissolved impurities (like bad-tasting salts) and some finer physical impurities.
Pictorial representation
How does RO Work
When water is passed through the semi-permeable membrane under pressure, all contaminant particles larger than 0.0001 micron are captured in the layers of membrane and only the water particles, being smaller, pass through the membrane.

Pentair Water : Reverse Osmosis Expert
A major part of Pentair's water treatment solutions is based on the Reverse Osmosis technology. Through research and development over decades, we have perfected the technology and successfully implemented it across products and solutions.
Benefits of Pentair Home RO Systems
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Removes toxins, bacteria, virus, suspended solids, dissolved chemicals etc. |
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Makes bore-well water or salty water drinkable. |
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Prevents possibility of kidney stones, indigestion, gastric bacterial diseases etc. by removing harmful contaminants in water. |
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Enhances taste by removing undesirable salts. |
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Reduces turbidity, coloration in water and removes unpleasant odour. |
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Makes hard water, soft and sweet to taste. |
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Purifies water naturally without the use of any chemicals. |
Water Softening
Home Pressure Booster System |