
Datasheet summary
SM PES 20kDa
Engineering summary from PDF text extraction for SM PES 20kDa. Verify every value with the OEM datasheet.
Summary
Product identification
- Product Type: Industrial Ultrafiltration Spiral-Wound Element
- Series: SM (PES 20kDa)
- Membranew Material: Proprietary PVDF or PES
- Construction: Spiral-Wound with netted outerwrap or fiber glass hardshell (FRP)
- Key Features:
- Widest range of UF MWCO’s available
- Good resistance to pH and temperature
- High resistance to fouling
- Customizable dimensions for unique housings
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 (<0.1 ppm Max)
- Chlorine During CIP at pH 10.8-11.0 and 50°C: 150-180 ppm
- 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 | Feed Spacer (in mils) 31 | Feed Spacer (in mils) 46 | Feed Spacer (in mils) 65 | Feed Spacer (in mils) 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 | Unit | Feed Spacer (in mils) 24 | Feed Spacer (in mils) 31 | Feed Spacer (in mils) 46 | Feed Spacer (in mils) 65 | Feed Spacer (in mils) 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.
- Customization: Elements can be designed to fit specific outer diameter (OD) or vessel/housing inner diameter (ID), element inner diameter (ID), and length. Available with or without a controlled bypass tail. Additional feed spacers are also available.
Common Applications
- Specialty protein separation
- Skim milk protein concentrate & isolate production
- Beverage clarification
Disclaimer: This summary is based on the extracted text and may not include all figures, footnotes, or the latest revisions. For contractual data, always refer to the official OEM PDF datasheet 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.