Hydranautics
SWC4 MAX Hydranautics Nitto Membranes
SWC4 MAX Hydranautics Nitto Membranes
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SWC4 MAX Hydranautics Nitto Membranes
Hydranautics SWC4 MAX Seawater Reverse Osmosis (RO) Membrane Element
The Hydranautics SWC4 MAX is a high-rejection Seawater Reverse Osmosis (SWRO) membrane element, representing the highest performance tier in the Hydranautics Seawater Composite (SWC) family. This element is engineered specifically for demanding applications involving high-salinity feed water, such as municipal and industrial desalination plants.
The SWC4 MAX utilizes Hydranautics’ advanced membrane chemistry to deliver an exceptional combination of high salt rejection (typically 99.8%) and high permeate flow, helping to reduce the overall number of elements required in a system and lowering capital costs. Designed to operate at elevated pressures (up to 1,200 psi), the SWC4 MAX provides a nominal permeate flow of 9,000 GPD under standard test conditions, ensuring reliable production of high-quality potable water from seawater sources.
Technical Specifications Summary
| SPECIFICATION | DETAILS | NOTES |
| Model Number | SWC4 MAX | High performance element in the SWC (Seawater Composite) series. |
| Manufacturer | Hydranautics (Nitto) | Top-tier seawater desalination element. |
| Membrane Type | Seawater Reverse Osmosis (SWRO) | Optimized for high salinity and high pressure. |
| Nominal Permeate Flow | 9,000 GPD (34.1 m3/d) | Flow rate is nominal at standard test conditions. |
| Nominal Rejection (NaCl) | 99.8% (Min 99.7%) | Excellent rejection of total dissolved solids (TDS). |
| Test Conditions | 32,000 ppm NaCl, 800 psi, 77∘F | Standard industry test conditions for high flow SWRO. |
| Active Area | 380ft2 (35.3 m2) | High active membrane surface area. |
| Element Size | 8.0 in D x 40 in L | Standard large industrial element size. |
| Max Applied Pressure | 1,200 psi (8.27 MPa) | Designed for high-pressure seawater desalination systems. |
| Model # | Diameter x Length | GPD | Rejection | Typical Pressure | |
| SWC4 MAX | 8.0 x 40 | 7,200 | 99.80% | 800 | |
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