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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 |
Remarks
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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