Welcome you to Zealiche Water Technologies

  • Address: Office No : 1 Entrance 1nBuilding 171 ,Al Rehab Complex, Opp to: Petrofac Building C-Ring Road,Doha,Qatar.

Chilled water treatment system

Zealiche Water Technologies do detailed engineering, supply of automatic chemical dosing system for corrosion inhibitor & biocide, manual chemical dosing pot, cleaning, flushing and passivation for the HVAC chilled water system.


The objective of cleaning, flushing and passivation is to remove debris such as slit, sand, scale, iron oxide deposits, weld slug and other contaminants that are present in a new pipe work system, the passivation process inhibits the system from corrosion.


The water velocity requires for flushing selection shall be done as per BSRIA AGI / 2001.

  • The process involves the following:
  • Initial static flush with plain water
  • Dynamic flushing
  • Chemical cleaning
  • Final inhibition and passivation
  • Key Features of Automatic Dosing System:
  • Customizable LCD Display
  • One Point Calibration
  • Internet Communications Option
  • 4-20mA in & Outs
  • Multi-Level Security Code