Hydranautics
CPA6-LD CPA Hydranautics Nitto 8,000 GPD at 225 PSI 8 x 40 inch Membranes
CPA6-LD CPA Hydranautics Nitto 8,000 GPD at 225 PSI 8 x 40 inch Membranes
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CPA6-LD CPA Hydranautics Nitto 8,000 GPD at 225 PSI 8 x 40 inch Membranes
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Hydranautics CPA6-LD High Rejection RO Membrane
The Hydranautics (Nitto) CPA6-LD represents the fifth generation of the Composite Polyamide (CPA) family, widely considered the industry standard for high-purity brackish water treatment. Engineered for applications where water quality is non-negotiable, this 8" x 40" element provides the highest salt rejection in the CPA line, reaching a nominal 99.75% to 99.8%. It is the preferred choice for municipal drinking water plants, semiconductor fabrication, and boiler feed water systems that require the aggressive removal of silica, nitrates, and total dissolved solids (TDS).
| SPECIFICATION | DETAILS |
| Model Number | CPA6-LD |
| Manufacturer | Hydranautics (Nitto) |
| Membrane Type | High Rejection Brackish Water |
| Technology | Low Differential Pressure (LD™) |
| Permeate Flow Rate | 8,000 GPD (30.3 m³/d) |
| Nominal Salt Rejection | 99.75% – 99.8% |
| Minimum Salt Rejection | 99.6% |
| Active Surface Area | 400 ft² (37.2 m²) |
| Test Pressure | 225 PSI (1.55 MPa) |
| Max Operating Pressure | 600 PSI (4.14 MPa) |
| Dimensions | 7.89" Diameter x 40" Length |
| Feed Spacer Thickness | 34 mil |
| Max Operating Temp | 113°F (45°C) |
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