High Purity RO Membrane

Waterfiltec elements offer exceptional rejection and flow performance for your industrial water needs, enabling lower energy usage and reduced regeneration costs in downstream polishing units. With a new industry-leading performance of 99.7% rejection at 150 psi, Our elements provide robust performance over a longer element life. At high quality, the elements can deliver 40% lower salt passage at 30% less energy, when compared to standard RO elements –an ecologic and economic win.

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Operating Limits

Maximum Operating Temperature 113°F (45°C)
Maximum Operating Pressure 600 psig (41 bar)
Maximum Pressure Drop 15 psig (1.0 bar)
pH Range, Continuous Operation 2 – 11
pH Range, Short-Term Cleaning 1 – 13
Maximum Feed Silt Density Index SDI 5
Free Chlorine Tolerance < 0.1 ppm


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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