Citadel® Series Filter Cartridges – High-Purity Filtration for Aggressive Chemical Applications
The Citadel® Series Filter Cartridges are engineered for demanding environments where chemical compatibility, purity, and reliability are critical. Built with all-fluoropolymer construction, these cartridges are ideal for filtering highly aggressive fluids in industries such as semiconductor manufacturing, chemical processing, and high-purity water systems.
Key Features & Benefits
- All-Fluoropolymer Construction
- Designed with a PTFE membrane and PFA structural components, ensuring exceptional resistance to harsh chemicals and elevated temperatures.
- Superior Chemical Compatibility
- Ideal for aggressive acids, solvents, and oxidizing agents where standard filters fail.
- 100% Integrity Tested
- Low Extractables & Particle Shedding
- Each filter is flushed with 18 MΩ-cm DI water, minimizing contaminants and ensuring ultra-clean filtration.
- Cleanroom Manufactured
- Produced, flushed, tested, and packaged in an ISO Class 7 cleanroom environment to maintain the highest levels of cleanliness.
- Provides high surface area for improved flow rates, longer service life, and reduced downtime.
Technical Specifications
- Filter Media: PTFE membrane
- Support Structure: PFA fluoropolymer
- Micron Ratings: Typically available from 0.05 µm to 10 µm
- Nominal Lengths: 10", 20", 30", and 40" lengths
- Outer Diameter: ~2.7" (standard)
- Inner Diameter: ~1.0"
- End Configurations: DOE, SOE (various O-ring / fin styles available)
- Integrity Testing: 100% factory tested
- Cleanliness: Flushed with 18 MΩ-cm DI water; low extractables
Why Choose Citadel® Series?
If your process requires maximum chemical resistance, ultra-low contamination, and validated performance, the Citadel® Series is a dependable solution. Its all-fluoropolymer design and stringent manufacturing standards make it especially well-suited for applications where product purity and system integrity cannot be compromised.
Quick Fit Guide – Is This Right for You?
Choose Citadel® Series Filter Cartridges if you need:
- Compatibility with highly aggressive chemicals
- Low extractables for sensitive processes
- High-purity filtration in controlled environments
- Reliable performance backed by 100% integrity testing
Used by real customers in the following industries: Biopharm, Chemicals, Polymers, Inks, Paint & Coatings, Microelectronics, Food & Beverage, Industrial Manufacturing, Municipal Water, OEM, Aerospace