FROTEC LPFT-8040 Brackish Water RO Membrane Element
The LPFT-8040 is a low-pressure aromatic polyamide composite reverse osmosis membrane element developed by Huamo Environmental. With a salt rejection rate of up to 99.4% and high permeate output, this 8-inch membrane is designed for large-scale brackish water, surface water, and groundwater desalination applications in municipal, industrial, and commercial sectors.
- Low energy consumption
- High filtration accuracy
- Large water output
- Strong anti-fouling
Product Introduction
The LPFT-8040 is an 8-inch low-pressure aromatic polyamide composite reverse osmosis membrane element developed by Huamo Environmental for large-scale desalination of surface water and groundwater. It achieves a stable salt rejection rate of up to 99.4% while delivering high permeate output. Designed for treating brackish water, surface water, groundwater, and municipal water with TDS up to 5,000 mg/L, this 8-inch element is widely applied in electronics, power generation, municipal drinking water production, chemical processing, pharmaceutical pure water systems, and wastewater reuse projects. It combines excellent desalination performance with high water production capacity and low operating pressure.
Specifications & Parameters
Performance Parameters:
| Model | Effective Area ft² (m²) | Feed Spacer mil | Permeate Flow gpd (m³/d) | Stable Salt Rejection % |
| LPFT-8040 | 400 (37.2) | 34 | 10,500 (40) | 99.4 |
Note: Test conditions: 2,000 ppm NaCl solution, 225 psi (1.55 MPa), 25°C, pH 7–8, 15% recovery rate.
Effective membrane area tolerance: ±3%; individual element permeate flow variation: ±15%.
Product Dimensions:
| Model | A inch (mm) | B inch (mm) | C inch (mm) |
| LPFT-8040 | 40 (1,016) | 1.125 (29) | 7.9 (201) |
Note: 1 inch = 25.4 mm
Operating Conditions
| Membrane Type | Polyamide Composite Membrane |
| Maximum Operating Pressure | 600 psi (4.14 MPa) |
| Maximum Operating Temperature | 45°C |
| Feed Water pH Range | 3.0 - 10.0 (continuous operation) |
| Maximum Feed Water Chlorine | <0.1 ppm |
Application Areas
The LPFT-8040 membrane is widely applied in electronics, power generation, municipal drinking water, chemical processing, pharmaceuticals, and pure water production, as well as wastewater reuse and concentration applications. It delivers excellent salt rejection, high permeate output, and low operating pressure to meet diverse water treatment requirements.
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