Brackish Water RO Membrane

Waterfiltech high rejection brackish water reverse osmosis (RO) element is designed for use in industrial water treatment applications. It maintains the high flow and rejection performance and offering a more cost effective option for industrial applications.
Our brackish water reverse osmosis (RO) elements may be cleaned over a wide PH range (PH 1-13).

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Operating Limits

Typical Operating Pressure 150 – 250 psi (1,035 – 1,725 kPa)
Maximum Operating Pressure 600 psi (4,140 kPa)
Maximum Operating Temperature 113°F (45°C)
Maximum Cleaning Temperature 113°F (45°C)
Maximum Continuous Free Chlorine <0.1 mg/l
Allowable pH – Continuous Operation 4 – 11
Allowable pH – Short Term Cleaning 2.5 – 11
Maximum Differential Pressure Per Element 10 psi (69 kPa)
Maximum Differential Pressure Per Vessel 60 psi (414 kPa)
Maximum Feed Turbidity 1 NTU
Maximum Feed SDI (15 minute test) 5
Maximum Number Of Tape Wrap Elements Per Vessel 3


Proper start-up of reverse osmosis water treatment systems is essential to prepare the membranes for operating service and to prevent membrane damage due to overfeeding or hydraulic shock. Following the proper start-up sequence also helps ensure that system operating parameters conform to design specifications so that system water quality and productivity goals can be achieved.

Before initiating system start-up procedures, membrane pretreatment, loading of the membrane elements, instrument calibration and other system checks should be completed.

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