Nar-Shield™ Scale and Corrosion Inhibitor for Cooling Towers

  A unique scale inhibitor for cooling towers and evaporative condensers, Nar-Shield™ cooling tower water treatment solution is extremely effective in hard or highly alkaline water. Nar-Shield™ unique Liquid Scale Inhibitor is stable and does...
Nar-Shield™ Scale and Corrosion Inhibitor for Cooling Towers
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Gur Technologies LTD > Products > Water treatment > Nar-Shield™ Scale and Corrosion Inhibitor for Cooling Towers

A unique scale inhibitor for cooling towers and evaporative condensers, Nar-Shield™ cooling tower water treatment solution is extremely effective in hard or highly alkaline water.

Nar-Shield™ unique Liquid Scale Inhibitor is stable and does not form any orthophosphate sludge.

Nar-Shield™ is a water conditioners , multifunctional liquid for cooling water treatment that contains no chromates or heavy metals and is therefore environmentally safe.

Nar-Shield™d offers dispersion as well as scale and corrosion control in one simple-to-use chemical. Nar-Shield utilizes polymer and phosphonates for scale control. Corrosion control is maintained by the formation of a protective film on metal surfaces.

Nar-Shield™ also contains dispersants and peptizing agents to keep heat transfer surfaces free of insoluble materials such as silt, sand and air-borne dirt particles. Continuous type treatment with Nar-Shield recommended in all cases for maximum results.

The average treating rate for Nar-Shield™ is 20-50 ppm, although higher rates may be required under severe conditions.

Benefits

  • It prevent algae, iron bacteria, and other slime forming microorganisms
  • Highly concentrated biocide
  • Contains no chromates or heavy metals
  • Easy-to-use liquid
  • Does not form any orthophosphate sludge

 

 

 

Should be placed in a feeder on the make-up water line, the crystals dissolve about 25%, per month. For most waters, the initial charge is 1/4 pound of crystals per ton of refrigeration. Each month 25% of the initial charge should be added to the feeder. Many users prefer Nar-Shield because they can add a definite amount of treatment each month when they check the system.

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