CSM RE4021-BLN 4" LOW PRESSURE REVERSE OSMOSIS MEMBRANE

CSM RE4021-BLN Reverse Osmosis Membrane - LOW PRESSURE

4" Diameter x 21" Length with Low Pressure technology. The low pressure design ensures high permeate flow rates at low feed pressure. The CSM RE4021-BLN RO membranes are used for treating low-to-medium TDS water in drinking and industrial water treatment systems and have a guaranteed minimum rejection rate of 99.0%.

Technical Specifications
- Permeate Flow Rate: 1050 GPD (4 m3/d)
- Nominal Salt Rejection: 99.2% (99% min.)
- Membrane Surface Area: 35 ft2 (3.3 m2)
- Membrane Type: Thin-Film Composite
- Membrane Material: Polyamide (PA)
- Configuration: Spiral-Wound, FRP Wrap
- Maximum Pressure Drop/Element: 15 psi (0.1 MPa)
- Maximum Operating Pressure: 60 psi (0.41 MPa)
- Maximum Feed Flow Rate: 13 gpm (2.95 m3/h)
- Minimum Concentrate Reject Flow Rate: 3 gpm (0.68 m3/h)
- Maximum Operating Temperature: 113°F (45°C)
- Operating pH Range: 2-11
- Membrane Flush pH Range: 2-11

* The values ??indicated refer to general use. For specific applications, operating regimes at conservative values ??ensure better performance of the osmosis membranes and extend their operating life. For further details on operating limits, pH, and washing solution temperatures, please refer to the "CSM Technical Bulletins."