Datasheet summary
NF NF9
Engineering summary from PDF text extraction for NF NF9. Verify every value with the OEM datasheet.
Summary
Product identification
The MICRODYN NF9 series consists of high rejection nanofiltration (NF) elements designed for water purification applications. These elements are available in standard 4-inch and 8-inch spiral-wound designs.
- Models: 4040-NF9, 8040-NF9-400
- Permeate Flow (Test Conditions):
- 4040-NF9: 7.6 m³/day (2,000 GPD)
- 8040-NF9-400: 40.0 m³/day (9,500 GPD) (Test conditions: 2,000 ppm MgSO₄, 4.8 bar (70 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.)
- Membrane Area:
- 4040-NF9: 7.9 m² (85 ft²)
- 8040-NF9-400: 37.2 m² (400 ft²) (All models on this sheet have diamond shaped feed spacers.)
Membrane characteristics
- Membrane Chemistry: Thin-Film Composite Polyamide
- Construction: Spiral-Wound Membrane Element with Fiberglass Outerwrap
Operating limits
- Maximum Operating Pressure:
- Tape Outerwrap Models: 21 bar (300 psi)
- Fiberglass Outerwrap Models: 41 bar (600 psi)
- Maximum Operating Temperature: 45°C (113°F)
- Cleaning pH Range: 1.0 – 12.0
- Maximum Pressure Drop:
- 1 bar (15 psi) per element
- 4 bar (60 psi) per housing
Feed water
- Chlorine Tolerance: < 0.1 ppm (Pretreatment is recommended for the removal of free chlorine and other oxidizing agents.)
- Maximum SDI₁₅: 5.0
- Maximum Turbidity: 1 NTU
Product water
- Stabilized MgSO₄ Rejection: > 97%
- Stabilized NaCl Rejection: 89 – 95%
Mechanical / hydraulic
| Model | Dim. A – mm (inches) | Dim. B – mm (inches) | Dim. C – mm (inches)* | Permeate Tube | Outerwrap Type | Element Weight – kg (lb)** |
|---|---|---|---|---|---|---|
| 4040-NF9 | 1,016 (40.0) | 99 (3.9) | 19.1 (0.75) | Male | Tape | 4 (9) |
| 8040-NF9-400 | 1,016 (40.0) | 201 (7.9) | 28.6 (1.125) | Female | Fiberglass | 17 (37) |
- Diameters for Dimension “C”: For Female elements, “C” is the Inner Diameter. For Male elements, “C” is the Outer Diameter.
- Male elements have a protruding permeate tube. Dimension “D” is 26.7 mm (1.05 in).
- **Shipping weight is dependent on packaging material and quantity shipped.
Disclaimer: This summary is based on extracted text from a PDF datasheet. This extraction may miss figures, footnotes, or the latest revisions. 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.