CALPLAS was funded in 1970 and from that time it turned out into a standard in pressure vessel and water treatment products. CALPLAS started producing polyester tanks and small pool filters. From that time till today, where CALPLAS produces a vast range of products sold worldwide, our company has acquired an advantageous know-how that has allowed CALPLAS to become a synonymous with quality and guaranty.

Company details

Polígono Txirrita-Maleo Pabellón nº 9 , Rentería (Guipuzcoa) , Spain
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Find locations served, office locations, manufacturers and our distributors.

Business Type:
Industry Type:
Water Treatment
Market Focus:
Globally (various continents)

The following points cover most of our products:

  • Private swimming pool filters
  • Public swimming pool filters
  • Active carbon filters
  • Ionic exchangers (cationic columns, anionic columns, softeners, mixed beds, ...)
  • Pump strainers
  • Mixing Tanks
  • MediaTraps
  • Degasifiers
  • Tablet dissolvers
  • Tanks
  • Decanters

Swimming pool Market

CALPLAS has filled the high-quality gap in market. As a result, our products are better placed in those markets where quality and reliability is considered as a significant added value. Hence, most of our products are shipped to France, Denmark, Switzerland, Spain and Japan.

Water treatment

In this area we work together with engineering companies. We work on the designs according to their requirements. We design and manufacture the products according to their design data:

  • Pressure
  • Diameter
  • Distribution type
  • Cylindrical / Total height
  • Sightglasses
  • Flanges or any connection
  • Chemical resistance