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Water filtration in continuous casting process

Using a continuous casting process, the stainless steel is produced for a huge variety of applications from car exhausts to aerospace components.

Spraying nozzle protection with pre-filter

BOLLFILTERs like the aquaBoll® are used to protect the spray water nozzles of the cooling zones. By prefiltering the water used, they prevent particles from entering the system and clogging the nozzles. 

BOLLFILTER Automatic features a unique backflush process that enables to operate without regular cleaning or maintenance – making them ideal for continuous manufacturing processes such as steel-making.

By using BOLLFILTER automatic filters for the protection of spraying nozzles, there is no need to stop casting production for the clearance of the blocked nozzles.

Your Benefits:

  • Downtime reduction  
  • Less maintenance cost
  • BOLLFILTER protects nozzles and contributes to the efficiency on the process
Preview Image: Outokumpu
Outokumpu »

Outokumpu trusts BOLLFILTER for the filtration of the cooling water in its continuous casting line. With automatic filtration, manpower for maintenance was saved and continuous operation guaranteed.


Preview Image: Tata Steel Slab
Tata Steel Slab »

Tata Steel Slab trusts BOLLFILTER for the filtration of raw water and cooling water of the continuous slab caster.


Individual platform concept ✓ Minimal operating costs ✓ Adaptive filtration configurations ✓ Multi-part housing construction ✓ Various housing materials ▶ Find out more!
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Christian Sköld, Sales Manager BOLLFILTER Nordic
Christian Sköld