ALN50-40B replacement
High flow filter replacement for Pentair Aqualine ALN50-40B and AL50-40B
Item | Details |
|---|---|
MemKway Model | MK-R-ALN50-40B |
Equivalent Pentair Model | Aqualine ALN50-40B / AL50-40B |
Compatibility | Fits Pentair Aqualine & Codeline 80CF/80AQ Housings |
1. Core Specifications
Feature | Details |
|---|---|
Brand | MemKway |
Micron Rating | 50 Micron |
Length | 40 Inch (1016 mm) |
Diameter | 6.75 Inch (171.5 mm) |
Flow Direction | Outside-to-Inside |
Effective Filtration Area | > 7.0 m² |
2. Materials of Construction
Component | Material |
|---|---|
Filter Media | High-Performance Pleated Polypropylene (PP) |
Support Layer | Polypropylene |
End Caps | Glass Fiber Reinforced Polypropylene |
Structure Support | High-Strength Polypropylene Cage/Core |
O-ring Material | Buna-N Standard / Viton Optional |
3. Operating Conditions
Parameter | Maximum / Recommended Value |
|---|---|
Max. Operating Temperature | 82°C (180°F) |
Max. Forward Diff. Pressure | 3.4 bar @ 20°C (50 psid @ 68°F) |
Rec. Change-out Diff. Pressure | 2.4 bar @ 20°C (35 psid @ 68°F) |
Max. Design Flow Rate | Up to 70 m³/h (310 GPM) per element |
4. Clean Pressure Drop vs. Flow Rate (Water @ 20°C)
Flow Rate (GPM) | Flow Rate (m³/h) | Pressure Drop (psid) | Pressure Drop (mbar) |
|---|---|---|---|
50 | 11.3 | 0.10 | 6.9 |
100 | 22.7 | 0.22 | 15.2 |
150 | 34.1 | 0.36 | 24.8 |
200 | 45.4 | 0.52 | 35.9 |
5. Key Features & Benefits
Direct Interchangeability: 100% compatible with Pentair Aqualine high flow filter housings without hardware modification.
Optimized Performance: Multi-layer depth pleated structure extends service life and reduces maintenance frequency.
Cost-Effective: Professional-grade alternative that lowers O&M costs for large-scale industrial and desalination plants.
Ergonomic Design: Integrated handle allows for quick, safe, and easy installation and removal.
High Dirt Holding Capacity: 50μm coarse pre-filtration provides exceptional service life for high-turbidity raw water, cooling water, and heavy-duty industrial process water systems.
6. Typical Applications
Water Treatment: Pre-filtration for Reverse Osmosis (RO), Seawater Desalination (SWRO), raw water & surface water pretreatment.
Power Generation: Boiler condensate, cooling water filtration, raw water pretreatment.
Oil & Gas: Water injection, produced water treatment.
Industrial: Process water, chemical processing, large-scale cooling loops, general industrial water filtration.
7. Quality & Regulatory Compliance
Certification: Manufactured in an ISO 9001:2015 certified facility.
Standards: CE marked for international safety and quality standards.
Food Contact: Materials comply with FDA 21 CFR requirements for food & beverage contact.
8. Cross-Reference Disclaimer
Pentair, Aqualine, and Codeline are registered trademarks of their respective owners. MemKway is an independent manufacturer of high-quality replacement filters. Any reference to original part numbers (ALN50-40B, AL50-40B) is for comparison and compatibility information only.
MemKway MK-R-ALN50-40B is a high-capacity, 50-micron high-flow pleated filter element. Designed specifically to replace the Pentair Aqualine series, it offers an identical form factor and performance profile for large-scale industrial water treatment, seawater desalination, RO pre-filtration, cooling water, and power plant applications.
