Reverse Osmosis Unit

The ROTEC M series consists of compact reverse osmosis systems which provides water quantities of 500-3 500 l/h. These units are mounted on a frame stand and thus enable the installation of a reverse osmosis system even in confined spaces.

Product Leaflet

For further information and specification, please download our compact fact sheet.

Inatec_ROTEC M_07-2019



  • low energy input at high output
  • fully automatic reverse osmosis
  • highly ef ficient membrane system
  • completely pre-assembled
  • reliable operation with integrated product conductivity monitoring
  • easy commissioning


  • stainless steel frame
  • 5 μm fine filter
  • multistage, vertical high pressure pump
  • GFRP pressure vessels
  • reverse osmosis membrane
  • conductivity monitoring
  • microprocessor control
  • all fittings and measuring instruments necessary for the installation of the plant
  • and monitoring the hydraulic parameters


Operating Conditions

Hereinafter, the requirements for the inlet water:

Inlet pressure 2 – 6 bar
Temperature range 5 - 40° C
pH range 2 - 11 constant
  1 - 12 momentary during cleansing
Colloid index (SDI 15) < 3
Permeate counterpressure < 0.05 mg/l
Free chlorine (Cl2) < 0.1 mg/l
Iron (Fe) max. 0.1 mg/l
Manganese (Mn) max. 0.05 mg/l



Further requirements are listed in the obligatory operating
conditions for reverse osmosis systems.