Datasheet summary
Foul1-2540
Engineering summary from PDF text extraction for Foul1-2540. Verify every value with the OEM datasheet.
Summary
Product Identification
The FOUL series are high rejection, low fouling brackish water reverse osmosis (RO) elements designed for difficult feedwaters, municipal wastewater, and other challenging applications.
Membrane Characteristics
- Membrane Type: Polyamide RO
- Stabilized Salt Rejection:
- Oltremare FOUL1-2540: 99.3%
- Oltremare FOUL1-4040: 99.4%
- Minimum Salt Rejection:
- Oltremare FOUL1-2540: 98.0%
- Oltremare FOUL1-4040: 99.0%
(Test conditions for these values: 1,500 ppm NaCl, 15.5 bar (225 psi), 25°C (77°F), 15% recovery, pH 8.0, 30 minutes operation. Flow rates will be no more than 15% below the values shown.)
Design Information
| Model | Permeate Flow m³/day (gpd) | Maximum Feed Flow m³/h (gpm) | Membrane Area m² (ft²) | Feed Spacer Thickness (mil) |
|---|---|---|---|---|
| Oltremare FOUL1-2540 | 2.5 (650) | 1.38 (6) | 2.6 (28) | 28 |
| Oltremare FOUL1-4040 | 7.6 (2000) | 2.72 (12) | 7 (75) | 31 |
Operating Limits
- Maximum Operating Pressure:
- 41 bar (600 psi) for fiberglassed elements
- 20.7 bar (300 psi) for tape wrapped elements
- Maximum Operating Temperature: 45 °C (113 °F)
- Cleaning pH Range: 1.0 – 12.0
- Chlorine Tolerance: < 0.1 ppm (Pretreatment is recommended for the removal of free chlorine and other oxidizing agents to prevent damage to membranes.)
- Maximum Pressure Drop: 0.7 bar (10 psi) per element; 4 bar (60 psi) per housing
- Maximum SDI₁₅: 5.0
- Maximum Turbidity: 1 NTU
Physical Dimensions
| Model | Element Weight kg (lb) | Dim. A mm (inches) | Dim. B mm (inches) | Dim. C mm (inches) | Permeate Tube |
|---|---|---|---|---|---|
| Oltremare FOUL1-2540 | 1.8 (4) | 1016 (40) | 61 (2.4) | 19.1 (0.75) | Male |
| Oltremare FOUL1-4040 | 3.6 (8) | 1016 (40) | 100.3 (3.95) | 19.1 (0.75) | Male |
Note on Dim. C: For male elements, "C" is the outer diameter. Note on Permeate Tube (Dim. D): Male elements have a protruding permeate tube. Dimension "D" is 30.5 mm (1.2 in) for the FOUL1-2540 module and 26.7 mm (1.05 in) for the FOUL1-4040 module.
Important Information
- Start-up: It is recommended to flush elements for 30 minutes at low pressure and discard permeate during the flush prior to operation.
- Cleaning: Oltremare membrane elements must be cleaned periodically to ensure proper operation and to prevent membrane damage. Refer to the Membrane Cleaning Guide – Water Application Elements (TSG-C-001).
- Storage: Oltremare membrane elements must be stored appropriately to ensure proper operation and to prevent membrane damage. Refer to Element Storage Guides (TSG-O-009 & TSG-O-01).
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. For contractual data, always refer to the official OEM PDF document revision used on your project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.