Process Overview
In high-tech manufacturing industries such as semiconductors, pharmaceuticals, and precision power systems, water purity is measured at parts-per-billion (ppb) levels. Even trace particulate or chemical contamination can lead to product defects, system instability, or regulatory non-compliance.
CMI provides high-integrity sintered metal filtration solutions designed to deliver stable, contamination-free performance in ultra-pure and critical process water systems.
Key Filtration Applications
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Point-of-Use (POU) Particle Control • Final-stage filtration in semiconductor and precision manufacturing processes • Removal of sub-micron particles that can cause product defects • Maintenance of ultra-low conductivity and TOC stability Condensate Polishing & High-Pressure Feedwater • Removal of magnetite, iron oxides, and corrosion products ("crud") • Filtration in high-temperature and high-pressure water cycles • Protection of boilers, turbines, and heat exchange systems Pharmaceutical Process Water & Clean Steam (WFI/PW) • Filtration in Water for Injection (WFI) and Purified Water (PW) systems • Removal of particulate contamination in clean steam applications • Support for sterile and hygienic processing environments Protection for DI / EDI Systems • Prevention of resin bead leakage from ion exchange systems • Protection of downstream distribution loops • Reduction of risk of system contamination and downtime |
Filtration Challenges
Ultra-pure water systems require absolute control of particulate contamination, material compatibility, and biological stability. Conventional filter media may introduce fiber shedding, extractables, or structural instability under high temperature and pressure conditions.
CMI Filtration Solutions
CMI sintered metal filters provide a rigid and stable filtration barrier, ensuring precise particle retention without media migration. These filters are designed for high-purity applications requiring consistent performance and long service life.
- Absolute filtration accuracy down to sub-micron levels (≤0.1 μm)
- Zero fiber shedding and no media migration
- High temperature resistance (>250°C for steam and condensate systems)
- Compatible with SIP and CIP sterilization processes
- Stable performance under pressure fluctuations and flow surges
Technical Advantages
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Material Purity High-purity 316L stainless steel or titanium with full EN 10204 3.1 traceability Fixed Pore Structure Prevents contaminant release during pressure spikes or flow fluctuations Surface Finish Electropolished (EP) surface available (Ra ≤ 0.4 μm) to reduce biofilm formation Compliance Manufactured in accordance with ASME BPE guidelines for sanitary applications |
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