Datasheet summary
Low 1 8040
Engineering summary from PDF text extraction for Low 1 8040. Verify every value with the OEM datasheet.
Summary
Product Identification
The Oltremare LOW1 series of reverse osmosis (RO) membranes are low-energy, high-rejection brackish water elements.
- Membrane Type: Polyamide
- Design: Spiral-wound, available in standard 2.5”, 4”, and 8” designs. This datasheet specifically details 8040 models.
Models Covered
- Oltremare LOW1 – 8040
- Oltremare LOW1G – 8040
- Oltremare LOW14 - 8040
Membrane Characteristics
- Stabilized Salt Rejection: 99.3% (a)
- Minimum Salt Rejection: 99% (a)
(a) Test Conditions: 1,500 ppm NaCl, 10.3 bar (150 psi), 25°C (77°F), 15% recovery, pH 6.5-7, 30 minutes operation. Flow rates will be no more than 15% below the values shown.
Operating Limits
- Maximum Operating Pressure: 41 bar (600 psi) for fiberglassed
- Maximum Operating Temperature: 45 °C (113 °F)
- Cleaning pH Range: 1.0 – 12.0 (b)
- Chlorine Tolerance: < 0.1 ppm (c)
- Maximum Pressure Drop: 0.7 bar (10 psi) per element; 4 bar (60 psi) per housing
(b) Note: Refer to temperature and pH limits in Membrane Cleaning Guide - Water Application Elements (TSG-C-001). (c) Note: Pretreatment is recommended for the removal of free chlorine and other oxidizing agents to prevent damage to membranes.
Feed Water
- Maximum SDI₁₅: 5.0
- Maximum Turbidity: 1 NTU
Mechanical / Hydraulic
Design Information
| Model | Permeate Flow m³/day (gpd) | Maximum Feed Flow m³/h (gpm) | Membrane Area m² (ft²) | Feed Spacer Thickness (mil) |
|---|---|---|---|---|
| Oltremare LOW1 – 8040 | 45.4 (12000) | 17 (75) | 37.2 (400) | 28 |
| Oltremare LOW1G – 8040 | 45.4 (12000) | 17 (75) | 37.2 (400) | 34 |
| Oltremare LOW14 - 8040 | 50 (13200) | 17 (75) | 40.9 (440) | 28 |
Physical Dimensions
For Oltremare LOW1 – 8040, Oltremare LOW1G – 8040, and Oltremare LOW14 - 8040:
- Element Weight: 16.4 kg (36 lb)
- Dim. A: 1016 mm (40 inches)
- Dim. B: 200 mm (7.89 inches)
- Dim. C: 28.6 mm (1.125 inches)
- Permeate Tube: Female
Important Information
- Start-up: Recommend flushing elements for 30 minutes at low pressure and discarding 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.
- Storage: Oltremare membrane elements must be stored appropriately to ensure proper operation and to prevent membrane damage. Refer to Element Storage Guides.
Disclaimer: This summary is based on extracted text and may miss figures, footnotes, or revisions present in the full PDF datasheet. Contractual data must match the OEM PDF revision used on the 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.