Grundfos CRT | Titanium at work for industry
CRT puts titanium to work for industry
There are many industrial pump applications involving aggressive
liquids—and where stainless steel pumps can’t do the job.


Titanium takes over where stainless steel gives up, as the ideal
metal for use in pumps in indus¬trial environments involving highly
corrosive substances.


Corrosion means expensive down-time as well as costly, time-
consuming maintenance and repairs.


In Grundfos CRT pumps, all components in con¬tact with the
pumped liquid are titanium.


CRT for demanding applications
Examples of industries where Grundfos CRT pumps provide
operational benefits:

1. Bleaching
> Sodium hypochlorite
> Chlorine dioxide

2. Metal finishing, metal plating, PCB manufacturing
> Copper chloride
> Ammonium chloride
> Ferric chloride

3. Power generation plants
> FGD (Flue Gas Desulphurization)

4. Process industry
> Oxidizing acids
Titanium for sea water and desalination
With its titanium construction, CRT is the best choice for
pumping sea water. Here’s why.


If you are responsible for marine, offshore, or
desalination operations, you know that corrosion caused
by sea water is always one of the major challenges.


Many residential, commercial, industrial, and marine
operations and processes such as cooling, fire fighting,
washing/cleaning, and salt removal depend on a reliable
water source. A huge supply of water is nearby—but sea
water is extremely corrosive to pumps and other
equipment.


One structural metal makes it possible to resolve
corrosion issues related to sea water—titanium. Sea
water has no effect whatsoever on titanium surfaces or
properties. In Grundfos CRT, all parts in contact with the
pumped liquid are titanium.


CRT for sea water applications
CRT is the best choice for marine environments and
offshore installations such as:

> Ballast pumps
> Washing and cleaning
> Cooling
> Fire fighting
> Fish farming
> Aquariums
> Water sports
> Fun parks
> Desalination
Grundfos brings you corrosion-free pumps at affordable prices

Grundfos CRT is the only pump of its kind: titanium, corrosion-free vertical multistage cen¬trifugal pump.
All components in contact with the pumped liquid are titanium.

Titanium wins out over stainless steel as the ideal material for pumping corrosive substances. Corrosion is
the number two cause of prema¬ture pump failure (next to dry-running). CRT is the best choice for
pumping corrosive sea water and many chemicals.

Grundfos CRT was designed to meet the market’s demand for corrosion-free pumps at competitive prices. It’
s part of the Grundfos CR range, the world’s most efficient vertical multi¬stage centrifugal pumps.

Titanium—naturally unaffected

The excellent corrosion resistance of titanium results from the formation of very stable, con¬tinuous, highly
adherent and protective oxide films on metal surfaces.

Because titanium is highly reactive and has an extremely high affinity for oxygen, these beneficial surface
oxide films form spontaneously and instantly when fresh metal surfaces are exposed to air and/or moisture.
In fact, a damaged oxide film can generally re-heal itself instantaneously if traces of oxygen or water are
present in the environ¬ment.

The oxide film formed on titanium is more pro¬tective than that on stainless steel, and it often performs
well in media that cause pitting and crevice corrosion in the latter (e.g. seawater, wet chlorine, organic
chlorides).
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