High temperature pumping solution

High temperature pumping solution
February 24, 2022 Patricia Vanoli
Patricia Vanoli February 24, 2022
French German

High temperature pumping solution

For the use of submerged sump pumps in risk zones, requires appropriate technologies and experience. As a worldwide manufacturer of centrifugal and process pumps, our pumping solutions are tailor-made according to customer specifications.
In our production plant in Cressier, Switzerland, many pumps for the salt industry have been manufactured in recent months.

Molten salt for heat transfer, hardening salt or hot slop must be pumped at temperatures between 150 and 450°C. These partly slug gish liquids are usually pumped from pressure-free containers. The temperature, pour point, solid matter or high vapour pressures normally require sealless submerged sump pumps with customised design details.

To meet the specific requirements of the end customer, a Peruvian company operating in the salt and chemicals sector, Egger designed a vertical sump pump in size DN 100 (E 9-100 SMT4 LB4S) to operate with a well depth of two meters.

sump pump

The SMT design with a high quality plain bearing makes the pump suitable for pumping difficult high temperature fluids. In our case, a molten salt mixture (sodium nitrate NaNO3, potassium nitrate KNO3 and sodium nitrite NaNO2) which the advantages of being less corrosive and ideal as a heat transfer fluid at a nominal temperature of 450 °C.

sump pump

A quality test was undertaken in our production centre in Cressier for further finalisation before delivery.
You can find more information on our website here: Chemical Industry