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Hydranautics Membrane 4040 Espa3 / ESPA4
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Product description
ESPA3-4040 Specifications:
Permeate Flow: 2500 gpd (11.4 m3/d)
Salt Rejection (nominal) 98.5 %
Type Configuration: Spiral Wound
Membrane Polymer: Composite Polyamide
Nominal Membrane Area: 85 ft2
The stated performance is initial (data taken after 30 minutes of operation), based on the following conditions:
1500 PPM NaCl solution
150 psi (1.05 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)
Feedwater pH Range: 3.0 - 10.0
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
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(Data taken after 30 minutes of operation):
500 PPM NaCl solution
100 psi (0.7 MPa) Applied Pressure
77F (25C) 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: 113F (45C)
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 toPermeate 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.
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