The polyphosphate crystals dosing system Dosaprop Plus, is the best device for solving scaling and corrosion problems in water systems at home and for industrial use. The Dosaprop Plus filter releases-controlled quantity of polyphosphate and prevents limescale from depositing and hence blocking and corroding the inside of pipes and devices. The device protects water systems and enables these systems to operate at a high performance for a long service life.

Features and Benefits:

  • Wide range of accessories and fittings available on request
  • Models Dosaprop Plus with 2 or 3 pieces
  • IN/OUT female 3/4″, 1” connections
  • Thread with brass and plastic insert, BSP and NPT
  • 4”, 5”, 7″, 10″ heights
  • Head: Reinforced polypropylene
  • Bowl: SAN
  • Polyphosphate loose crystals or HA polyphosphate crystals cartridge available for refill
  • Maximum operating temperature: 35°C (95° F)
  • Maximum operating pressure, BSP versions: 8 bar (116 psi)
  • Maximum operating pressure, NPT versions: 8,6 bar (125 psi)
  • Maximum water hardness 50° f (500 ppm CaCo3)


    You can approach us for any of your filtration related issues, we will be happy to work with you.