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BWB series Reverse Osmosis Systems
1,500-6,000GPD (250-1,000LPH)

ROTEK compact light industrial reverse osmosis system is a durable piece of equipment which, with proper care and maintenance will last for many years. BWB series systems are part of a family of reverse osmosis units designed for operation with brackish feedwaters having TDS values below 10,000ppm. Models are available with permeate outputs of between 250 and 1,000 litres/hr as shown in the specifications.


  • Specialized Micro-Computer Controller

  • Fully Equipped and Customizable

  • Factory Tested and Preserved

  • 1-Year Limited Warranty

  • Manufactured in Taiwan

Standard Features

  • RO micro-computer controller with permeate TDS readout

  • Automatic permeate flush and adjustable flush time

  • 300PSI FRP membrane housing+PE end caps

  • SS316 multistage booster pump

  • 5 micron sediment pre-filter

  • Rotek rotameters for permeate and concentrate stream

  • Rotek pressure gauges for pre-filter feed and RO feed

  • Danfoss low pressure switch

  • SS316 concentrate needle valve

  • Concentrate recycling with flow meter

  • Electroplated SS304 skid frame

  • Provision for CIP and chemical dosing

Available Options

  • RO membranes available with brands of
    Filmtec, Hydranautics, Vontron, and Toray

  • Higher pressure for multistage pump for feed TDS above 5,000 ppm


* Minimum recovery rate is calculated based on no concentrate recirculation,
  it is possible to increase the overall recovery rate by increasing the concentrate circulation flow.

** Permeate flow rate can vary depending on type of membrane, raw water quality and recovery rate.