Filtration systems

ImWater designs and manufactures all types of Filtration Systems for the industrial and municipal market, in carbon steel and stainless steel, and with diameters from 500 mm to 4 meters.


Filter types:

  • Vertical pressure multimedia filters
  • Horizontal pressure multimedia filters

Filters materials and finishes:

  • Carbon steel epoxi paint (drinking water grade) (usual)
  • Carbon steel with ceramic internal paint (special)
  • Carbon steel with internal rubber linning (special)
  • Stainless Steel (304, 316, duplex, superduplex) (special)

Design codes:

  • DIN
  • ASME VIII Div.1
  • U stamp

Diameters: 500 – 4000 mm

Working pressure: 1-10 bar (possibility of higher pressures, under request)

Filtration media: 

  • Activated carbon
  • Anthracite
  • Silex sand
  • Garnet
  • Gravel
  • Turbidex (special)
  • Ionic exchange resins (special)

sello U


The systems are designed based on the client’s flow and quality needs. ImWater can offer advice on the sizing of the filtration system.


  • Water backwashing
  • Air + water backwashing
  • Manual backwashing
  • Automated backwashing

The system can include both manual and automated valve front. Automatic valves can be motorized or pneumatic. Valve boxes are also supplied for the control of the pneumatic system, as well as air compressors if necessary. The automatic filtration and backwashing system is controlled by PLC installed in the electrical panel of the installation.

Possible components of an automated pressure filtration system:

  • Filters
  • Automatic water inlet valves, water outlet, wash water inlet, wash water outlet, air inlet, air outlet, partial drain…
  • Drain valves , triple effect suction valves, safety valves
  • Backwash pump
  • Backwash blower
  • PLC for sequency control


© 2017 ImWater
Camino de Lloreda a la Picota 489
33211 Gijón – Asturias – España
Tlf. +34  985 320 877
Fabricante homologado CSC Sello U para fabricación de sellos de presión