Hydranautics ESPA2 1640 Membrane

Product Description

The world's leading high productivity, energy-saving polyamide membrane, the ESPA2 1640 can meet your industrial or commercial water treatment standards. Industrial users worldwide have made ESPA their first choice for high productivity and salt rejection. The growing family of ESPA RO membranes continue to meet the ever-increasing demands of the water treatment industry. There's an ESPA solution to satisfy even the most challenging water treatment needs with exceptional performance, productivity and savings.

[custom-specifications]

ESPA2 1640 Specifications

Permeate Flow: 41,000 gpd (155.2 m³/d)
Salt Rejection: 99.6% (99.4% minimum)
Configuration: Spiral Wound
Membrane Polymer: Composite Polyamide
Membrane Active Area: 1700ft²(158m²)
Feed Spacer: 28 mil (0.71 mm)

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

[/custom-specifications]

[custom-features]

Standard Operating Limits:

Maximum Applied Pressure: 600 psig (4.1 MPa)
Maximum Chlorine Concentration: < 0.1 PPM
Maximum Operating Temperature: 113°F (45°C)
pH Range, Continuous (Cleaning) 2.0 - 10.6 (1-12)*
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 mins): 5.0
Maximum Feed Flow: 250 GPM (56 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 details on operation limits, cleaning pH, and cleaning temperatures.

[/custom-features]

[custom-usage]