Pass Box
The Pass Box Manufacturer!
Suzhou Xinzhiyuan Clean Technology Co., Ltd. is an enterprise focusing on the research and development, design, manufacturing, sales and service of clean equipment.
Why choose us
Our certificates
The company has passed ISO9001 quality system certification and continues to improve itself. It has invested a lot of resources and scientific management methods in research and development, management and other aspects.
Quality Assurance
All equipment is individually tested for safety performance in accordance with international standards.
Customer Service
Our customer service team is committed to providing exceptional support and addressing any concerns promptly. We prioritize clear communication and proactive problem-solving to ensure a seamless experience for every client.
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Name |
Pass Box | |
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DimensionW*D*H(mm) |
950*680*1500 |
1150*880*1700 |
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Air shower area size W*D*H(mm) |
600*600*600 |
800*800*800 |
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Nozzle air speed |
±23m/S |
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Embedded (360° rotating)/Quantity (pcs) |
4 |
6 |
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Control System |
Microcomputer integrated control, shower time 1-99S (adjustable), double door electronic interlock |
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Filtration system |
High efficiency filter (efficiency ≥ 99.99%@0.3um) primary filter (efficiency G4) |
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Material |
Cold steel plate (surface spray treatment)/stainless steel plate |
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Visual Window |
Transparent tempered glass |
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Illumination |
None |
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Power supply |
220V/380V/50HZ |
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- High-quality cold-rolled plate spraying or stainless steel outer wall, air shower pass box inner wall of stainless steel plate, anti-scratch, smooth and wear-resistant.
- Air shower pass box access door with electronic interlocking device.
- The air shower pass box adopts high efficiency filter without partition, filtration efficiency: 99.99%.
- Wind shower pass box wind, mouth wind speed up to 25m/s to.
Components of Pass Box
HEPA Filter: This unsung hero traps even the tiniest contaminants (down to 0.3 microns!), ensuring only pristine air circulates within the pass box.
Nozzles: Precision-engineered nozzles unleash powerful jets of HEPA-filtered air, meticulously removing any lingering impurities from objects.
Interlocking Doors: Safety first! This ingenious system prevents simultaneous opening of both doors, maintaining air pressure containment and minimizing cross-contamination risks.
Sealing Strip: Airtightness is key! A specialized EVA strip ensures optimal sealing, preventing unwanted air infiltration and protecting the integrity of the cleanroom environment.
Control Display: User-friendly interface empowers operators to manage settings, monitor air pressure, and optimize performance.
Cold-Rolled Steel: Durable and resilient, this robust material forms the pass box's foundation, ensuring longevity and reliable operation.
- The size of the items to be passed determines whether to pass the internal size of the pass box.
- The transfer direction of the pass box is recommended to use a self-cleaning pass box from low cleanliness to high cleanliness. Static pass box is recommended for reverse transfer or level transfer.
- The installation position of the pass box, whether there are obstacles, walls or doors and windows nearby. Confirm the opening direction according to the principle of convenient opening and convenient retrieval. In addition to the following four, you can also choose a 90-degree corner to open the door;
- Pass box material: all stainless steel SUS304 is recommended;
- If you use a cart to enter, you can choose a floor-to-ceiling pass box. Other pass boxes should also consider the installation height to facilitate retrieval.

Operation Step of Pass Box
- The door of the normal status is closed. When the material is delivered, the transmitter first rings the doorbell.
- When the other party answers, the door is opened again. After the material is sent in, the door is closed immediately, and the receiver opens another door.
- After removing the material, close the door. It is strictly forbidden to open both doors at the same time.
- After the operation of the transfer window, the cleaning work should be carried out and disinfected regularly.
As one of the leading delivery window manufacturers and suppliers in China, we warmly welcome you to wholesale high quality delivery window made in China here from our factory. Customized orders are welcome.
Air Shower Transfer Window, delivery window, Mechanical Transfer Window







