General Information
- Keep elements moist at all times after initial wetting.
- For successful operation of Reverse Osmosis (RO) and Nanofiltration (NF) membrane systems, the operation must follow the guidelines provided in the FilmTec™ Reverse Osmosis / Nanofiltration Elements Operation Excellence and Limiting Conditions Tech Fact .
Operating and Cleaning Limits | |
---|---|
Membrane Type | Polyamide Thin-Film Composite |
Maximum Operating Temperature | 113°F (45°C) |
Maximum Operating Pressure | 1200 psig (41 bar) |
Maximum Element Pressure Drop Per element Per pressure vessel (minimum 4 elements) |
15 psig (1.0 bar) 50 psig (3.5 bar) |
pH Range Continuous Operation Short-Term Cleaning (30 min) |
2 – 11 1 – 13 |
Maximum Feed Silt Density Index (SDI | SDI 5 |
Free Chlorine Tolerance | < 0.1 ppm |