Description
BRAND:
VONTRON
MODEL:
ESPA SERIES 4 – 4040
TYPE
RO MEMBRANE
DESCRIPTION:
ESPA4-4040 Specifications:
Permeate Flow: 2,500 gpd (9.46 m3/d)
Salt Rejection: 99.2% (99.0% minimum)
Configuration: Spiral Wound
Membrane Polymer: Composite Polyamide
Membrane Active Area: 85ft2 (7.9m2)
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% Permeate Recovery
6.5 – 7.0 pH Range
Standard Operating Limits:
Maximum Applied Pressure: 600 psig (4.16 MPa)
Maximum Chlorine Concentration: < 0.1 PPM
Maximum Operating Temperature: 113°F (45°C)
pH Range, Continuous (Cleaning): 2-10 (1-12)*
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 mins): 5.0
Maximum Feed Flow: 16 GPM (3.6 m3/h)
Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1
Maximum Pressure Drop for Each Element: 10 psi
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 Hydranautics Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures.
Note:
Colors from actual product may be slightly different because of different conditions such as lighting, etc. Rest assured that these factors won’t affect the performance and quality of the product.
