Osmosis systems Serie ROC-ST+ are designed for medium and high production of low salinity water for use in water treatment applications, water service and water for different semi-industrial and/or industrial processes.

Production of reverse osmosis systems serie ROC-ST+ are from 8000 l/h to 24000 l/h*.

Main components:

  • 5 microns microfiltration
  • Minimum pressure switch
  • Maximum pressure switch
  • High pressure vertical centrifugal pump in stainless steel
  • High salt rejection 8” membrane of reverse osmosis
  • Input pneumatic automatic butterfly valve type wafer
  • Pneumatic automatic flushing ball valve in 316 stainless Steel
  • Inlet microfiltration pressure gauge
  • Outlet microfiltration pressure gauge
  • Pump pressure gauge
  • Between stages pressure gauge
  • Rejection pressure gauge
  • Backpressure pressure gauge
  • Permeate flow meter
  • Rejection Flow meter
  • Recirculation flow meter (depending on the model)
  • Conductivity meter in the permeate line
  • Rejection flow key regulator
  • Recirculation flow key regulator (depending on the model)
  • PLC UNITRONICS M91 automatic programmer
  • Danfoss speed variator for high pressure bomb
  • Flushing deposit
  • Protected carbon steel structure
  • OPTIONAL: CIP with separation between stages
  • OPTIONAL: mixing system
  • OPTIONAL: CD, pH or Rx meters
  • OPTIONAL: LS VERSION: digital flow meters
  • OPTIONAL: LX VERSION: Siemens PLC, Grundfos pump, pressure transmitters and digital flow meters.
  • Code: RO-0406-04/05/06/07/08/09


  • CIP cleaning system
  • Mixing System
  • Inlet water Conductivity Meter
  • Inlet water REDOX meter
  • Inlet water pH meter


  • Power supply: 380-400 VAC-50 Hz (osmosis equipment)
  • Supply pressure: 3-5 bars
  • Working temperature: 10-35 °C
  • TDS maximum input: 2.000 ppm

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