Datasheet summary
BN PVDF 50kDa
Engineering summary from PDF text extraction for BN PVDF 50kDa. Verify every value with the OEM datasheet.
Summary
Product identification
The BN (PVDF 50kDa) series comprises Industrial Ultrafiltration Spiral-Wound Elements. They offer an optimal combination of flux and rejection.
- Membrane Type: Proprietary PVDF or PES
- Element Construction: Spiral-Wound with netted outerwrap or fiber glass hardshell (FRP)
Operating limits
- Pressure:
- Max Inlet Pressure: 116 PSI (8.0 Bar)
- Min Outlet Pressure: 10 PSI (0.7 Bar)
- Max Differential Pressure per Element: 18 PSI (1.2 Bar)
- Max Permeate Backpressure: 5 PSI (0.3 Bar)
- Note: Soft start on boost pumps required to minimize pressure/flow shocks to elements.
- Temperature:
- Max. Operating: 122°F (50°C)
- Max. CIP Temperature: 122°F (50°C)
- pH Parameters:
- pH Range during Operation at 25°C Max: 1.0-11.0
- pH Range during CIP Operation at 50°C Max: 2.0-11.0
- Peroxide:
- Free Peroxide in Product During Operation: <3 ppm
- Peroxide as a sanitizer at 25°C Max, pH 6-7, 10 minutes recirculation: 0.1%
- Chlorine:
- Free Chlorine During Operation: 0 ppm (Norm), <0.1 ppm (Max)
- Chlorine During CIP at pH 10.8-11.0 and 50°C: 150 ppm (Norm), 180 ppm (Max)
- Note: Maximum chlorine exposure for all elements is 30 minutes per day at pH and temperature conditions listed above.
Mechanical / hydraulic
Dimensions & Weight
| Element | Model No. | Diameter (B) in (cm) | Length (A) in (cm) | PWT ID/OD in (cm) | Tube Extension (C) in (cm) | Dry Weight lb (kg) |
|---|---|---|---|---|---|---|
| 1.8” | 1812TM | 1.8” (4.6) | 11.75” (29.8) | 0.665” (1.71) | 0.75” (perm) 1.00” (plug) | 1.0 (.45) |
| 2.5” | 2540TM | 2.4” (6.1) | 40.0” (101.6) | 0.75” (1.90) | 1.00” (2.54) | 4.0 (1.8) |
| 2540HF | 2.4” (6.1) | 40.0” (101.6) | 0.625” (1.59) | - | 4.0 (1.8) | |
| 2540HM | 2.4” (6.1) | 40.0” (101.6) | 0.75” (1.90) | 1.00” (2.54) | 4.0 (1.8) | |
| 4” | 4040TM | 3.9” (9.9) | 40.0” (101.6) | 0.75” (1.90) | 1.00” (2.54) | 12.0 (5.5) |
| 4040HM | 3.9” (9.9) | 40.0” (101.6) | 0.75” (1.90) | 1.00” (2.54) | 12.0 (5.5) | |
| 4040HF | 3.9” (9.9) | 40.0” (101.6) | 0.625” (1.59) | - | 12.0 (5.5) | |
| 8” | 7940HF | 7.9” (20.1) | 40.0” (101.6) | 1.138” (2.89) | - | 35.0 (15.9) |
| 8040HF | 7.9” (20.1) | 40.0” (101.6) | 1.125” (2.86) | - | 35.0 (15.9) |
Membrane Area (sq. ft)
| Element | Feed Spacer (in mils) | 24 | 31 | 46 | 65 | 80 |
|---|---|---|---|---|---|---|
| 1812TM | 3.1 | 2.7 | 2.1 | 1.6 | 1.3 | |
| 2540M | 28 | 24 | 20 | 16 | 13 | |
| 2540F | 30 | 26 | 22 | 17 | 14 | |
| 4040M | 81 | 72 | 58 | 46 | 39 | |
| 4040F | 86 | 75 | 61 | 49 | 41 | |
| 7940F | 379 | 335 | 268 | 210 | 178 | |
| 8040F | 379 | 335 | 268 | 210 | 178 |
Recommended Element Cross Flow Rate
| Element | Feed Spacer (in mils) | 24 | 31 | 46 | 65 | 80 |
|---|---|---|---|---|---|---|
| 1.8” | m³/hr | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 |
| gpm | 3 | 3 | 4 | 4 | 5 | |
| 2.5” | m³/hr | 1.3 | 1.5 | 1.8 | 2.0 | 2.1 |
| gpm | 6 | 7 | 8 | 9 | 9 | |
| 4.0” | m³/hr | 3 | 4 | 5 | 5 | 5 |
| gpm | 15 | 17 | 20 | 23 | 24 | |
| 8” | m³/hr | 15 | 17 | 20 | 23 | 24 |
| gpm | 66 | 75 | 89 | 99 | 105 | |
| Note: The recommended cross flow rate will be subject to differential pressure limitations and specific applications. |
Technical Notes
Customizable dimensions for unique housings are available. Elements can be designed to fit specific outer diameter (OD), vessel/housing inner diameter (ID), element inner diameter (ID), and length. Elements are also available with or without a controlled bypass tail, and additional feed spacers are offered. Trials are recommended to determine optimal application conditions.
Benefits
- Widest range of UF MWCO's available
- Good resistance to pH and temperature
- High resistance to fouling
- Customizable dimensions for unique housings
Common Applications
- Brine clarification
- Protein concentration
Disclaimer: This summary is based on the provided text extract and may not include all figures, footnotes, or the latest revisions. For contractual data, please refer to the official OEM PDF 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.