Description
PP/PES/PTFE/Nylon Micropleated Membrane Filter Cartridge
The WIRES micropleated membrane filter cartridge is a high-precision liquid filtration element designed for critical water and process fluid applications. Built with pleated microporous membrane media, it delivers absolute-rated particle removal with a large effective filtration area in a compact 2.5-inch diameter form factor.
Available Membrane Media
| Media | Micron Ratings | Best For |
|---|---|---|
| PP (Polypropylene) | 0.2 – 50 µm | General water, chemicals, solvents |
| PES (Polyethersulfone) | 0.1 – 1.2 µm | Pharmaceutical, ultrapure water |
| PTFE | 0.1 – 5 µm | Aggressive chemicals, gases |
| Nylon 66 | 0.1 – 3 µm | Organic solvents, food & beverage |
Key Specifications
- Length: 10″, 20″, 30″, 40″ standard
- Diameter: 2.5″ (60 mm) OD
- End Caps: DOE (Double Open), SOE (Single Open) with EPDM / silicone / Viton seals
- Operating Temperature: up to 60°C (PP/PES), up to 90°C (PTFE/Nylon)
- Max Differential Pressure: 4 bar (liquid), 100% integrity tested
- Effective Area: ~0.6 m² per 10″ cartridge
Typical Applications
- RO / UF membrane final filtration and polishing
- Pharmaceutical water and buffer pre-filtration
- Beverage, food and bottled water processing
- Electronics ultrapure water polishing
- Fine chemical solvent and ink filtration
FAQ
Q: How do I choose between PP, PES, PTFE and Nylon membrane?
A: PP is the most economical for general water. PES offers the lowest extractables for pharma/ultrapure water. PTFE handles aggressive chemicals and gas filtration. Nylon is compatible with organic solvents and food-grade applications. Contact us with your fluid type for a recommendation.
Q: What’s the difference between nominal and absolute micron rating?
A: Micropleated membrane cartridges are absolute-rated, meaning they remove at least 99.9% (or 99.99% for PES) of particles at the rated micron size, per ASTM F795. This is more reliable than nominal depth filters for critical applications.
Q: Can you cross-reference to Pall, Millipore or Sartorius housings?
A: Yes. Our DOE/SOE end configurations fit most standard 2.5-inch filter housing brands including Pall, Millipore, Sartorius, Cuno, and Pentair. Send us your housing model for an exact cross-reference.
Q: How often should I replace the cartridge?
A: Replace when differential pressure reaches 2.5–3 bar, or at scheduled maintenance intervals (typically 6–12 months for RO pre-filtration). We recommend monitoring inlet/outlet pressure with a gauge.
Q: Do you provide samples for testing?
A: Yes, free sample cartridges are available for qualification testing. Contact WIRES with your application details and required micron rating.
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