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Pass boxes are essential components in cleanroom environments, facilitating the transfer of materials between different areas while minimizing contamination. There are two main types of pass boxes: static and dynamic. Understanding the differences between them is crucial for selecting the right solution for your cleanroom needs.
| Feature | Static Pass Box | Dynamic Pass Box |
|---|---|---|
| Air Circulation | No | Yes |
| Cleanliness Level | Same as surrounding cleanroom | Higher than surrounding cleanroom |
| Cost | Lower | Higher |
| Complexity | Simple | Complex |
| Applications | Non-sensitive material transfer | Sensitive material transfer |
Now let's gain further insight into the industrial pass box.
A static pass box is a simple, non-ventilated enclosure used to transfer materials between two cleanroom areas of the same cleanliness level. It does not have any air circulation system and relies on the cleanroom’s existing air pressure to maintain cleanliness.
No Air Circulation: Static pass boxes do not have built-in fans or HEPA filters.
Simple Design: They are straightforward in construction, making them cost-effective.
Limited Use: Best suited for transferring non-sensitive materials between areas of equal cleanliness.
Ideal for environments where the risk of cross-contamination is low.
Commonly used in pharmaceutical, electronics, and laboratory settings.
A dynamic pass box, also known as an air shower pass box, is equipped with a ventilation system that includes HEPA filters and fans. This system ensures that the air inside the pass box is continuously circulated and filtered, maintaining a higher level of cleanliness.
Air Circulation: Equipped with HEPA filters and fans to ensure continuous air circulation.
Higher Cleanliness: Maintains a higher level of cleanliness, making it suitable for transferring sensitive materials.
Interlocking Doors: Often features interlocking doors to prevent both doors from being open simultaneously, reducing the risk of contamination.
Suitable for environments where maintaining a high level of cleanliness is critical.
Commonly used in pharmaceutical manufacturing, biotechnology, and semiconductor industries.
Choosing between a static and dynamic pass box depends on your specific cleanroom requirements. Static pass boxes are cost-effective and suitable for less critical applications, while dynamic pass boxes offer higher cleanliness levels and are ideal for transferring sensitive materials. Understanding these differences will help you make an informed decision to maintain the integrity of your cleanroom environment.
Feixia is dedicated to delivering comprehensive project solutions, with a focus on modular cleanroom and hospital modular ot, including pass boxes. Our facilities include a factory spanning over 6,000 square meters in Guangdong, China, and an office in Thailand, complemented by a global network of partners. Our team, known for its experience and expertise, is committed to providing clients with professional and efficient service and support. If you are in search of a dependable partner to meet your cleanroom and operating room project needs, Feixia is the ideal choice.
