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A Laminar Flow Pass Box is a specialized device used in cleanrooms and controlled environments to transfer materials between different areas without compromising the cleanliness levels. It ensures that the air quality and contamination control standards are maintained during the transfer process.
Primary filter: G4.
High efficiency filter: H14液槽99.995%@0.3um
Wind speed:0.38-0.57m/s
Differential pressure: Filter differential pressure (high efficiency 0-500Pa/primary effect 0-250Pa), precision ±5Pa.
Control function: fan start/stop button, configuration built-in electronic door interlock, set the ultraviolet light, design a separate switch high-efficiency filters can be individually removed from the upper box and installation, easy maintenance and replacement of filters
Noise: Noise <65db during normal operation of the transfer window,
Min. Order:1 Set
Min. Order:1 Set
Min. Order:1 Set
Min. Order:1 Set
Min. Order:1 Set
Min. Order:1 Set
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Deiiang is a trusted manufacturer specializing in high-quality laminar flow pass boxes, designed to maintain cleanroom environments by facilitating the transfer of materials without compromising air cleanliness. With years of expertise in the industry, Deiiang ensures that each pass box is crafted with precision to meet stringent standards for contamination control.
Known for reliability and performance, Deiiang’s laminar flow pass boxes are engineered to offer superior airflow distribution, prevent cross-contamination, and provide efficient solutions for various industries including pharmaceuticals, biotechnology, and electronics. Their commitment to quality makes Deiiang a top choice for cleanroom equipment needs.
A Laminar Flow Pass Box is a specialized equipment used in cleanroom environments to facilitate the transfer of materials while minimizing contamination. It employs a laminar airflow system, where filtered air flows in a unidirectional manner, creating a sterile environment that protects sensitive products and processes from airborne particles and contaminants.
Typically installed between two controlled areas, the pass box allows for the safe and sterile transfer of items without direct human contact, often incorporating interlocking doors to prevent cross-contamination. This is essential in industries such as pharmaceuticals, biotechnology, and electronics, where maintaining cleanliness is crucial for product integrity.
A Laminar Flow Pass Box operates by utilizing a continuous flow of filtered air to create a sterile environment for transferring materials between controlled areas. When an item is placed inside the box, high-efficiency particulate air (HEPA) filters purify the air, ensuring that any particles or contaminants are removed before the air flows through the chamber.
The box typically features interlocking doors that prevent both doors from being open at the same time, which ensures that the sterile environment is maintained during the transfer process. When one door is closed, the air is drawn through the HEPA filters, and a laminar airflow pattern is established, directing clean air uniformly across the surfaces and helping to displace any potential contaminants.
Once the item is securely placed inside and the doors are sealed, the operator can safely open the opposite door to retrieve the item in the adjacent cleanroom or controlled area. This design minimizes the risk of contamination and is particularly important in environments where cleanliness is critical, such as pharmaceutical or semiconductor manufacturing.
The use of a Laminar Flow Pass Box offers several key benefits, primarily in maintaining a sterile environment during material transfers. By utilizing unidirectional airflow and HEPA filtration,
Contamination Control: Minimizes airborne contaminants during material transfer.
Sterile Environment: Maintains a clean and sterile atmosphere with HEPA-filtered air.
Enhanced Safety: Interlocking doors prevent cross-contamination by ensuring only one side is accessible at a time.
Improved Efficiency: Streamlines the transfer process, reducing time spent in cleanroom environments.
Versatile Use: Suitable for various industries, including pharmaceuticals, biotechnology, and electronics.
User-Friendly Design: Simplifies the handling of materials without requiring direct human contact.
it effectively reduces the risk of contamination from airborne particles, ensuring that sensitive products, such as pharmaceuticals or electronics, remain uncontaminated during transitions between cleanrooms or controlled environments.
Differences Between a Laminar Flow Pass Box and a Regular Pass Box:
Airflow Design:
Laminar Flow Pass Box: Utilizes unidirectional airflow with HEPA filtration to maintain a sterile environment.
Regular Pass Box: May not have specialized airflow systems, leading to higher contamination risks.
Contamination Control:
Laminar Flow Pass Box: Specifically designed to minimize airborne particles and maintain cleanliness.
Regular Pass Box: Offers basic transfer capabilities without advanced contamination control features.
Filtration:
Laminar Flow Pass Box: Equipped with HEPA filters to ensure high levels of air purity.
Regular Pass Box: Typically lacks effective filtration systems, allowing for potential contamination.
Application:
Laminar Flow Pass Box: Ideal for sensitive materials in cleanroom environments, such as pharmaceuticals and electronics.
Regular Pass Box: Suitable for general material transfers where contamination control is less critical.
Cost and Complexity:
Laminar Flow Pass Box: Generally more complex and expensive due to advanced features and technology.
Regular Pass Box: Simpler design and lower cost, focusing on basic functionality.
In contrast, a regular pass box typically lacks advanced airflow systems and filtration features, making it less effective at controlling contamination. While it can facilitate the transfer of materials between rooms, it does not provide the same level of protection against airborne particles, which can compromise the integrity of sensitive products. As a result, Laminar Flow Pass Boxes are preferred in environments where cleanliness is critical.
To clean and maintain a Laminar Flow Pass Box, start by turning off the unit and ensuring that the airflow is ceased. Use a suitable disinfectant solution to wipe down all surfaces, including the interior and exterior, focusing on areas that come into contact with materials. It's essential to follow the manufacturer's guidelines on cleaning agents to avoid damaging any components. Regular cleaning should be performed according to the facility's standard operating procedures to ensure a sterile environment.
Additionally, routine maintenance should include checking and replacing HEPA filters as recommended by the manufacturer, usually based on usage frequency and contamination levels. Inspect the airflow system and ensure that the interlocking doors function properly to prevent cross-contamination. Keeping a maintenance log can help track service intervals and ensure the pass box operates effectively over time.
Laminar Flow Pass Boxes are primarily used in industries where maintaining a sterile and contamination-free environment is critical. These include pharmaceuticals, biotechnology, semiconductor manufacturing, electronics, medical device production, and laboratory research. In these sectors, the pass boxes facilitate the safe transfer of sensitive materials and products between controlled environments, ensuring compliance with strict cleanliness standards.
Steps to Install a Laminar Flow Pass Box:
Choose the Location: Select an appropriate location in the cleanroom or controlled environment, ensuring it meets space and airflow requirements.
Prepare the Surface: Ensure that the mounting surface is clean, level, and capable of supporting the weight of the pass box.
Check Electrical Requirements: Verify that the electrical supply meets the specifications for the pass box, including voltage and amperage requirements.
Mount the Pass Box: Secure the pass box to the wall or surface, following the manufacturer's installation guidelines and using appropriate fasteners.
Connect Airflow System: If applicable, connect the pass box to the cleanroom’s HVAC or airflow system, ensuring proper sealing to prevent air leaks.
Install HEPA Filters: If the pass box requires HEPA filters, install them according to the manufacturer's instructions to ensure optimal performance.
Power Up the Unit: Connect the pass box to the electrical supply and power it up, ensuring that all systems are functioning correctly.
Perform Operational Testing: Conduct airflow and performance tests to verify that the laminar flow is operating as intended and that the sterile environment is maintained.
Document Installation: Record the installation details, including date, location, and any calibration or testing performed, for maintenance and compliance records.
Key features of a Laminar Flow Pass Box include unidirectional airflow that provides a sterile environment by using HEPA filters to eliminate airborne contaminants, interlocking doors that prevent simultaneous access to both sides to minimize cross-contamination, a compact design suitable for installation in cleanrooms, and user-friendly controls for easy operation. Additionally, many models offer monitoring systems to track airflow and filter performance, ensuring compliance with cleanliness standards in sensitive industries such as pharmaceuticals and biotechnology.
The frequency of filter replacement in a Laminar Flow Pass Box typically depends on several factors, including the level of usage, the environment in which it operates, and the specific manufacturer's guidelines. Generally, HEPA filters should be inspected regularly, with replacement recommended every 6 to 12 months under normal operating conditions. However, in environments with higher levels of airborne contaminants or more frequent use, filters may need to be replaced more often to maintain optimal performance and ensure effective contamination control.
It is also essential to monitor airflow performance; if there are noticeable decreases in airflow or performance indicators alerting to filter blockage, the filters should be replaced immediately, regardless of the scheduled maintenance. Keeping a maintenance log and following the manufacturer's recommendations can help ensure that filter replacement is timely and effective, maintaining the integrity of the sterile environment.
Laminar flow transfer cases are available in a variety of standard sizes to accommodate different operational needs, but a common size range is usually:
L: 500 * W: 500 * H: 500.
L: 600 * W: 600 * H: 600.
L: 700 * W: 700 * H: 700.
L: 800 * W: 800 * H: 800.
Custom sizes are also available from the manufacturer to meet the specific requirements of cleanroom environments, ensuring compatibility with a variety of workflows and space constraints.
