Airflow Regime: Recirculating airflow

• Dynamic airflow provides an air barrier to prevent contaminants from entering into critical controlled environments during material transfers
  

• Vertical purging to trace any contaminants that have potentially entered post material transfer.

• Unit operates with a recirculating airflow and on-board fans hence, external ducting is not required.

• Support stand or Base box

• Onboard LED light and/or UV light

• Internal shelves

• Door release buttons

• Interlock release rocker switches

• Buzzer system (to alert personnel on the opposite side during material transfer)

• Intercom system

• Fan fault alarms with customized blowers

• Lead shielding

• Roller Conveyors (only for DFLH)

• Auto sliding PVC doors (only for DFLH)

• Rails to hang gowns (only for DFLH)

1. What is a Laminar Flow Pass Box?

A Laminar Flow Pass Box is an enclosed unit designed to transfer materials into and out of cleanrooms without disrupting the air quality. It uses laminar airflow to ensure that contaminants do not enter the cleanroom during the transfer process, thereby maintaining the controlled environment. Typically, these boxes are used in industries where strict contamination control is essential, such as pharmaceuticals and electronics.

2. How does a Laminar Flow Pass Box work?

A Laminar Flow Pass Box operates by creating a continuous flow of air that moves in a uniform direction, preventing the ingress of particles or contaminants when materials are transferred into or out of a cleanroom. The box is equipped with a high-efficiency particulate air (HEPA) filter to clean the air before it enters the cleanroom, ensuring that the transfer process does not compromise air quality.

3. What is the purpose of a cleanroom pass box?

The purpose of a cleanroom pass box is to allow the safe and sterile transfer of materials in and out of cleanroom environments without contaminating the area. These pass boxes act as barriers to maintain the integrity of the cleanroom by using controlled airflow to filter out contaminants during the transfer process. They are particularly useful in industries where cleanliness and contamination control are critical.

4. How do cleanroom pass boxes maintain air quality?

Cleanroom pass boxes maintain air quality by using HEPA or ULPA filters to purify the air before it enters the cleanroom. These filters remove airborne particles and contaminants, ensuring that only clean, filtered air passes through the box. The laminar flow system within the box ensures that air moves in a steady, unidirectional manner, which helps in maintaining the sterility of the cleanroom environment.

5. What industries use Laminar Flow Pass Boxes?

Laminar Flow Pass Boxes are widely used in industries where strict contamination control is essential. Common industries that use these pass boxes include: - Pharmaceuticals - Biotechnology - Electronics manufacturing - Medical device production - Food processing

6. How do you install a cleanroom pass box?

Installing a cleanroom pass box typically requires professional installation to ensure proper sealing and integration with the cleanroom. The process involves placing the pass box within a wall or between two areas to facilitate the transfer of materials. Once installed, the pass box is tested to ensure there are no leaks and that airflow is working as intended, maintaining the integrity of the cleanroom's environment.

7. Can a Laminar Flow Pass Box be customized?

Yes, Laminar Flow Pass Boxes can be customized to meet specific requirements, such as the size, material, airflow capacity, and filtration type. Customization options allow these pass boxes to be tailored for use in various cleanroom environments, depending on the type of industry or the materials being transferred.

8. What are the benefits of using a Laminar Flow Pass Box?

The benefits of using a Laminar Flow Pass Box include: - Enhanced contamination control by preventing particles from entering the cleanroom - Increased productivity by providing a safe, efficient material transfer method - Compliance with cleanroom standards and regulations - Reduced risk of cross-contamination in critical environments

9. What are the dimensions of a typical Laminar Flow Pass Box?

The dimensions of a typical Laminar Flow Pass Box vary depending on the application and the size of materials to be transferred. Common dimensions include: - 18" x 18" x 18" - 24" x 24" x 24" - 30" x 30" x 30" These sizes are generally customizable to fit the specific needs of a cleanroom setup.

10. What materials are used in Laminar Flow Pass Boxes?

Laminar Flow Pass Boxes are typically made from materials that are durable and easy to clean. Common materials include: - Stainless steel for corrosion resistance - Aluminum for lightweight and durability - Powder-coated steel for easy maintenance These materials help maintain the sterility and structural integrity of the pass box in a cleanroom environment.

11. How does a cleanroom pass box prevent contamination?

A cleanroom pass box prevents contamination by creating a sealed environment with high-efficiency filters to clean the air before entering the cleanroom. The laminar flow system inside the box directs air in one direction, ensuring that airborne particles are captured by the filter and preventing contamination from entering the cleanroom. The pass box is also equipped with interlocking doors to prevent both doors from being opened simultaneously, ensuring a sterile environment.

12. What are the specifications for a cleanroom pass box?

The specifications for a cleanroom pass box generally include: - HEPA or ULPA filters for air filtration - Sealed, airtight construction - Stainless steel or durable material for easy cleaning - Airflow rate specifications (typically 0.45 m/s or higher) - Interlocking doors to maintain the cleanroom's pressure balance These specifications ensure that the pass box functions effectively to maintain a sterile environment during material transfer.

13. How do Laminar Flow Pass Boxes contribute to a sterile environment?

Laminar Flow Pass Boxes contribute to a sterile environment by providing a controlled, filtered airflow that prevents contaminants from entering the cleanroom. The box uses HEPA filters to purify the air, while the laminar flow directs particles away from the material being transferred. This process helps maintain a sterile environment in sensitive industries such as pharmaceuticals and electronics manufacturing.

14. Are Laminar Flow Pass Boxes suitable for pharmaceutical applications?

Yes, Laminar Flow Pass Boxes are highly suitable for pharmaceutical applications. They are used to transfer materials, tools, or equipment into and out of cleanrooms while ensuring that the sterile environment is not compromised. The pass box's laminar flow and filtration system are designed to meet the stringent standards of the pharmaceutical industry, where contamination control is crucial for product safety and regulatory compliance.

15. What is the airflow rate of a Laminar Flow Pass Box?

The airflow rate of a Laminar Flow Pass Box typically ranges between 0.45 m/s to 0.60 m/s, depending on the specific design and size of the pass box. This airflow rate ensures that particles are removed effectively and that clean, filtered air is circulated within the pass box to prevent contamination during material transfer.

16. What is the difference between a Laminar Flow Pass Box and a standard pass box?

The main difference between a Laminar Flow Pass Box and a standard pass box lies in the airflow mechanism. A Laminar Flow Pass Box uses unidirectional, laminar airflow to filter and remove contaminants before entering the cleanroom, providing superior contamination control. In contrast, a standard pass box may not utilize laminar airflow, which can lead to a higher risk of contamination during material transfer.