Reverse Osmosis
Brackish Water LP Series
Low Pressure
Efficient filtration at low pressure for cost-effective brackish water treatment.
Performance Specification
Operating data from the original catalog
Test pressure 150 psi (10.3 bar), NaCl concentration 2,000 ppm, recovery rate 15%, temperature 25°C, pH 7.
| Property | ROMG 4040 LP | ROMG 8040 LP |
|---|---|---|
| Active Membrane | 7.9 m² | 41 m² |
| Average Permeate | 2,200 gpd (8.5 m³/d) | 10,500 gpd (38.4 m³/d) |
| Stable Rejection | 98.3% | 98.1% |
| Minimum Rejection | 97.9% | 97.7% |
| Spacer Mesh Thickness | 28 thou (0.72 mm) | 28 thou (0.72 mm) |
Limits and Operating Conditions
ROMG 4040 LP
| Parameter | Value |
|---|---|
| Max. feed water flow rate | 16 gpm (3.6 m³/h) |
| Max. working pressure | 450 psi (31 bar) |
| Maximum Feedwater Temperature | 40°C |
| Feed water max. SDI15 | <3 |
| pH range during continuous operation | 2~11 |
| pH range during chemical cleaning | 2~12 |
| Residual chlorine concentration | <0.1 ppm |
| Max. pressure drop of a single element | 10 psi (0.07 MPa) |
| Max. Turbidity NTU | 1.0 |
Limits and Operating Conditions
ROMG 8040 LP
| Parameter | Value |
|---|---|
| Max. feed water flow rate | 70 gpm (16 m³/h) |
| Max. working pressure | 450 psi (31 bar) |
| Maximum Feedwater Temperature | 40°C |
| Feed water max. SDI15 | <3 |
| pH range during continuous operation | 2~11 |
| pH range during chemical cleaning | 2~12 |
| Residual chlorine concentration | <0.1 ppm |
| Max. pressure drop of a single element | 10 psi (0.07 MPa) |
| Max. Turbidity NTU | 1.0 |
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