920213-920217 / 920411 – 920415 / 920026 / 920028 -920235

Nitrate removal systems of the Watermark Series 470, 530, 655, 755

This system is composed of a PRFV Greentank bottle with upper and lower distributors, and a salt tank made of polyethylene with enough capacity for several regenerations. It has a double bottom and a safety valve. Control valves are made of heavy-duty Noryl and controlled by a piston.

  • Valve WS470UF: Countercurrent regeneration, advanced electronic programmer, 1” connection.
  • Valve WS530UF: Countercurrent regeneration, advanced electronic programmer, 1” connection.
  • Valve WS655UF: Standard regeneration, advanced electronic programmer, 1 ½” connection.
  • Valve WS755UF: Standard regeneration, advanced electronic programmer, 2” connection.

It contains selective nitrate removal resin, which features a great capacity and is supplied in 25 litre bags.
Silex distributing base with different grain sizes in order to optimise the distribution of brine and improve the regeneration process.

Technical Specifications:

  • Minimum pressure: 2 kg/cm².
  • Maximum pressure: 6 kg/cm².
  • Minimum temperature: 4 ºC.
  • Maximum temperature: 40 ºC.
  • Power supply 220V-12V (transformer included).
  • Optional bypass.