CMS 220
Carbon molecular sieve is a kind of adsorption material with carbon as the main component and highly developed microporous structure, which is widely used in PSA nitrogen production and gas separation.
CMS 220 is a high-performance carbon molecular sieve widely used in Pressure Swing Adsorption (PSA) systems for nitrogen generation. Known for its stable performance and efficiency, it plays a vital role in ensuring reliable gas separation in various industries.
At YUANHAO, we specialize in manufacturing premium CMS products, backed by advanced technology and strict quality control. Our CMS 220 stands out for being high-end, energy-efficient, stable, long-lasting, with high nitrogen output and low air consumption. As a trusted supplier for global manufacturers, we deliver solutions that enhance productivity and long-term reliability.
In this article, we will outline why YUANHAO is your ideal partner, highlight CMS 220 specifications, key advantages, and its main industrial applications.
Technical Specifications of CMS 220
To ensure stable nitrogen generation performance, CMS 220 is designed with precise physical and chemical parameters that meet the strict demands of industrial applications. Understanding its technical specifications helps manufacturers evaluate efficiency, durability, and suitability for different PSA systems.
| GUANGDE YUANHAO MOLECULAR SIEVE CO., LTD Technical Parameters | ||||
| Product Technical Specifications The following are standard values, please increase or decrease the margin as needed | ||||
| Model | Adsorption pressure(Mpa) | Nitrogen concentration(%) | Carbon yield(L/h.kg) | Air / nitrogen |
| CMS-220 | 0.8 | 99.99 | 90 | 5.4 |
| 99.9 | 150 | 4 | ||
| 99.5 | 220 | 3.5 | ||
| 99 | 280 | 3 | ||
| 98 | 300 | 2.8 | ||
| Particles diameter(mm) | 1.1-1.5 | Bulk density (g/L) | 660-670 | |
| Adsorption Time(s) | 2*45 | Crushing strength(N/pcs) | ≥70-100N | |
| The optimal nitrogen production effect is achieved when the intake temperature is around 20℃. | ||||
Why Partner with YUANHAO for CMS 220
Choosing the right Carbon Molecular Sieve supplier is critical when it comes to reliable nitrogen generation. With over 15 years of expertise and a strong global reputation, YUANHAO stands out as a trusted partner for CMS 220. Our commitment to innovation, quality, and customer satisfaction ensures long-term value for industrial users.
Proven Expertise in CMS Manufacturing
With more than 15 years of dedicated experience, YUANHAO delivers professional solutions for gas separation. Our long-standing industry presence ensures consistent performance, technical reliability, and tailored support for different nitrogen generation needs.
Advanced Facilities and High Production Capacity
Operating a 6,617㎡ site with 4,500㎡ modern workshops, we utilize advanced production lines to maintain stable quality and strong output. With an annual capacity of 1,600 tons, we guarantee secure and timely supply for large-scale industrial projects worldwide.
Comprehensive Product Portfolio
YUANHAO offers a wide range of CMS grades, including CMS 220, 240, 260, 280, 300, and 330. Each model is engineered for different nitrogen purity and flow requirements, ensuring customers find the optimal solution for their specific applications.
Commitment to Quality and Innovation
Certified with ISO 9001, ISO 14001, and ISO 45001, YUANHAO ensures compliance with international standards in quality, safety, and sustainability. Backed by multiple patents, our products are recognized globally for being being high-end, energy-efficient, durable.
Key Advantages of CMS 220
High Nitrogen Yield
Compared with lower grades such as CMS 200, CMS 220 achieves faster adsorption and greater nitrogen output at the same system pressure. Its optimized pore design enables higher purity levels, making it especially suitable for industries requiring consistent high-volume nitrogen supply.
Energy-Saving Performance
While some higher-capacity models like CMS 260 and CMS 280 may consume more air during operation, CMS 220 strikes an excellent balance between purity and efficiency. It is designed to minimize air consumption, helping reduce compressor load and overall energy costs.
Long Service Life
Unlike entry-level sieves that may degrade quickly under continuous use, CMS 220 maintains stable adsorption strength over time. Its longer service life provides manufacturers with fewer replacements and lower maintenance expenses, making it a more cost-effective choice.
Stable and Reliable Operation
Compared with larger-pore models such as CMS 300, which are designed for very high-flow systems, CMS 220 offers superior stability under varying operating pressures. This ensures more consistent nitrogen purity and reliability in mid-to-large scale PSA applications.
Versatile Industrial Application
While other grades like CMS 330 are optimized for niche or extremely high-capacity needs, CMS 220 is widely adaptable across multiple industries. It supports both medium and high-purity nitrogen generation, making it one of the most flexible options in YUANHAO’s CMS series.
Applications of CMS 220
Nitrogen Generation
Food Packaging
Electronics Manufacturing
Metal Heat Treatment
Laser Cutting Gas Supply
Laboratory Gas Systems
CMS 220 Frequently Asked Questions
How Does CMS-220 Work for Moisture Removal?
CMS-220 is not only used for nitrogen generation but also plays an important role in moisture removal. Thanks to its optimized pore size distribution (approximately 3–4 Å), CMS-220 effectively adsorbs water molecules while limiting the passage of larger gas molecules. This selective adsorption makes it highly efficient in drying processes where stable humidity control is essential.
In industrial applications, CMS-220 is often used in compressed air drying, gas purification, and protective packaging systems, helping to prevent moisture-related damage to sensitive materials and equipment. Compared with other grades, CMS-220 provides faster adsorption kinetics and stronger mechanical strength, ensuring both durability and consistent drying performance.
Is it worth it to build your own CMS?
China’s CMS production began in the 1980s, using raw materials such as coal, organic polymers, and biomass. Manufacturing processes include gas-phase carbon deposition, activation and re-opening, and secondary carbon deposition techniques. Precise pore size control enables high-purity nitrogen production. High-end CMS typically feature narrower pore distributions, superior oxygen-nitrogen separation performance, high mechanical strength, resistance to pulverization, and strong pressure impact resistance.
While building your own Carbon Molecular Sieve (CMS) may seem appealing for cost-saving or customization purposes, it is generally not recommended for most industrial applications. CMS manufacturing requires specialized raw materials, precise carbonization, activation, and sieving processes to achieve the correct pore size distribution and adsorption characteristics. Minor deviations in any step can lead to poor gas separation, reduced lifespan, or even safety risks.
High-quality CMS, such as YUANHAO CMS 220, benefits from years of R&D, strict quality control, and optimized molecular structures. These features ensure consistent performance in nitrogen generation, laser cutting, metal processing, and other applications. Attempting to replicate this without professional expertise often results in lower efficiency, higher energy consumption, and frequent replacement needs. Additionally, testing and validating custom CMS is time-consuming and costly, often outweighing any initial savings.
Moreover, premium CMS comes with a predictable lifespan, typically 5–8 years for YUANHAO products, which allows for long-term operational planning. By using commercially produced CMS, companies also avoid liability risks associated with equipment damage or product contamination due to inconsistent CMS quality. Overall, unless you are operating in a specialized research setting with full technical support, purchasing professionally manufactured CMS is far more cost-effective, reliable, and safe.
Carbon molecular sieves cms repair
Repairing or regenerating Carbon Molecular Sieves (CMS) can be an effective way to extend their operational life, but it requires careful handling. Common repair methods include thermal regeneration, where accumulated moisture and impurities are removed at controlled high temperatures, and mechanical cleaning, which eliminates surface dust or minor clogging. Proper regeneration restores adsorption efficiency and reduces pressure drop, improving gas separation performance.
However, not all damage can be repaired. Structural degradation, pore collapse, or chemical contamination may permanently reduce CMS effectiveness. Attempting aggressive repair on severely degraded CMS can cause further damage or reduce gas purity, making replacement the more cost-effective choice. YUANHAO CMS, designed with high structural stability and controlled pore distribution, tolerates multiple regeneration cycles while maintaining performance, which minimizes the need for frequent repairs.
Regular maintenance is essential to maximize the lifespan and performance of Carbon Molecular Sieves. A systematic approach includes monitoring gas quality, controlling moisture and contaminants, and scheduling regeneration cycles. High-purity CMS, such as YUANHAO CMS 220, is sensitive to water, oil, and dust, which can block pores and reduce adsorption efficiency. Using inlet filters and gas dryers prevents these impurities from entering the CMS bed, maintaining stable nitrogen or other gas outputs.
Operators should also monitor pressure drops across the CMS bed. Sudden increases may indicate clogging, dust accumulation, or channeling, signaling that a partial regeneration or cleaning is needed. Temperature monitoring during adsorption and desorption cycles ensures that the CMS operates within its optimal thermal range, avoiding pore collapse or structural degradation.
Scheduled thermal regeneration is another key aspect. This process removes trapped moisture and impurities without damaging the molecular structure. Following manufacturer guidelines for duration and temperature ensures that regeneration is effective while preserving the integrity of the CMS. Additionally, routine inspections for physical damage, cracks, or dust formation help identify potential issues before they affect performance.
By combining proper filtration, monitoring, and controlled regeneration, regular maintenance minimizes downtime, reduces the need for costly repairs, and ensures consistent gas purity. High-quality CMS like YUANHAO’s is designed to tolerate multiple regeneration cycles, making maintenance predictable and cost-effective, while extending service life to 5–8 years.