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Batch EO Sterilization Equipment
Batch EO Sterilization Equipment is a highly reliable and widely adopted low-temperature sterilization solution designed for medical devices, pharmaceutical products, and other heat- or moisture-sensitive materials. By using ethylene oxide (EtO) gas as the sterilant, batch EO sterilizers effectively eliminate bacteria, fungi, viruses, and spores while maintaining product integrity and packaging performance.
Features
Batch ethylene oxide sterilization is based on the strong alkylating power of ethylene oxide gas, which can disrupt the DNA and protein structures of microorganisms. A typical batch sterilization cycle includes the following stages:
Pretreatment – Adjusting the temperature and humidity of the load to optimize microbial susceptibility.
Gas Injection – Introducing ethylene oxide gas at a controlled concentration into a sealed sterilization chamber.
Exposure Phase – Maintaining the load at the set temperature, humidity, pressure, and gas concentration to achieve the required level of sterility assurance (SAL).
Vacuuming and Venting – Residual ethylene oxide gas is removed through vacuum and ventilation to meet international safety standards for product use.
This batch-based process ensures precise control, repeatability, and full traceability, which is crucial for medical and pharmaceutical sterilization.
Key Advantages of Batch Ethylene Oxide Sterilization Equipment
✔ Low-Temperature Sterilization
Batch ethylene oxide sterilizers typically operate between 30–60°C, making them ideal for heat-sensitive materials such as plastics, polymers, rubber parts, electronics, and complex components.
✔ Excellent Gas Penetration
Ethylene oxide gas can penetrate complex geometries, long lumens, porous materials, and breathable packaging, achieving thorough sterilization without unpacking the product.
✔ High Material Compatibility
Batch ethylene oxide sterilization does not cause corrosion, deformation, or degradation of most medical-grade materials, making it suitable for a wide range of products.
Customization and Engineering Capabilities
Our customization options include:
Customizable chamber volume (small, medium, and large batch processing capacity)
Automation options (manual, semi-automatic, or fully automatic control)
Flexible ethylene oxide gas concentration control to minimize residue
Compliant with international standards (ISO 11135, GMP, FDA requirements)
FAQ
Can the batch EO sterilization equipment be customized for different types of medical products?
Yes. Our batch EO sterilization equipment is fully customizable according to the specific characteristics of different medical products, such as disposable medical devices, surgical instruments, products with electronic components, pharmaceutical packaging, and laboratory consumables. Sterilization parameters including chamber volume, temperature, humidity, EO concentration, exposure time, and aeration cycle can be tailored to ensure effective sterilization while maintaining product integrity and material compatibility.
How do you customize the system to meet different safety and regulatory requirements in various countries?
Safety and compliance are core considerations in our customized designs. Based on the destination market and applicable regulations, we configure EO gas monitoring systems, leakage detection, exhaust treatment, and aeration control to comply with international standards such as ISO 11135, GMP requirements, and relevant local environmental and occupational safety regulations. Customized documentation and validation support are also provided to meet audit and regulatory approvalneeds.
Can the EO sterilization system be customized to reduce EO residues and shorten aeration time?
Yes. We offer customized cycle development and gas control solutions aimed at minimizing EO residues while maintaining sterilization efficacy. By optimizing EO concentration, exposure conditions, and aeration design, we help customers achieve compliant residual EO levels more efficiently, which can significantly reduce aeration time and improve overall production throughput.
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