Description
Performance
Permeate Flow: 11,500 gpd (43.5 m3/d)
Salt Rejection: 99.2% (99.0% minimum)
Type Configuration: Spiral-wound, FRP Wrapping
Membrane Polymer: Polyamide (PA)
Active Area: 400 ft2 (37.2 m2)
Feed Spacer: 34 mil (0.864 mm) with biostatic agent
Application Data*
Maximum Applied Pressure: 600 psig (4.14 MPa)
Maximum Chlorine Concentration: < 0.1 ppm
Maximum Operating Temperature: 113 °F (45 °C)
pH Range, Continuous (Cleaning): 2-11 (1-13)*
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 mins): 5.0
Maximum Feed Flow: 75 GPM (17.0 m3/h)
Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1
Maximum Pressure Drop for Each Element: 15 psi
Min. concentrate flow rate: 16 gpm (3.6 m3/h)
* The limitations shown here are for general use. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane. See CSM Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures.
Test Conditions
The stated performance is initial (data taken after 30 minutes of operation), based on the following conditions:
500 PPM NaCl solution
100 psi (0.7 MPa) Applied Pressure
77 °F (25 °C) Operating Temperature
15% Recovery
6.5 – 7.0 pH Range