Hydranautics CPA5-LD – 8 x 40 Brackish Water RO Membrane


SKU: CPA5-LD Category:


Membrane Element CPA5-LD

(Low Fouling Technology)

Performance: Permeate Flow: 11,000 gpd (41.6 m3


Salt Rejection: 99.7% (99.6% minimum)

Type Configuration: Low Fouling Spiral Wound

Membrane Polymer: Composite Polyamide

Membrane Active Area: 400 ft2 (37.1m2


Feed Spacer: 34 mil (0.864 mm)

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


Minimum Ratio of Concentrate to

Permeate Flow for any Element: 5:1

Maximum Pressure Drop for Each Element: 15 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

Additional information

Weight 39 lbs
Dimensions 40 × 8 × 8 in