• Mr Bob Mccabe
    We have purchased 6 sets Roller Shutter Door for our candy factory from your company. Good quality! Good sevice! We will purchased other clean room equipment from your company later.
  • Mr Manh
    This year we are going to build a mobile phone screen electronics clean factory.We send Hongkong YaNing a list of products we need,Unexpectedly, they soon gave me a very detailed quotation and drawings, and gave us a lot of good advice. Very professional, good service, good product quality! We decided to place an order.
Contact Person : Nicole Yu
Phone Number : 86-18924660320
WhatsApp : +8613043684711

Laminar Flow Dynamic Pass Box

Place of Origin China
Brand Name YN
Certification CE/ISO
Model Number YN-SC-900
Minimum Order Quantity 1PCS
Price reconsideration
Packaging Details Wooden case
Delivery Time 7-15 work days
Payment Terms L/C, D/A, T/T, Western Union
Supply Ability 2000pcs/month
Product Details
Product Name Laminar Flow Pass Box External Size 1000*900*1300mm
Internal Size 900*900*900mm Interlock Structure Electronic Interlock
Material 304 Stainless Steel Laminar Type Vertical Flow
Wind Speed ≥25m/s Noise Level(dB) <62
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dynamic pass box


pass through boxes for clean rooms

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Product Description



Laminar flow dymamic transfer pass box with electronic interlock



1. Laminar flow pass box description

Dynamic laminar flow pass box is an auxiliary equipment for clean room used to pass small items between clean room and non-clean areas or clean rooms of different grades or different pressures.

On one hand, it plays as an airlock to avoid high pressure in high-grade clean rooms from releasing;

On the other hand, it can achieve self-purification in the pass process to ensure that the items entering the clean area are clean and reduce cross contamination; the blowing time can be adjusted manually to maximize the self-purification and save energy.


2.Laminar flow pass box basic performance requirements

Cleanliness requirement in laminar flow delivery window: class B;

Double shell, arc treatment for inner periphery, seamless connection ensured;

Laminar flow designed with an upward air-sending & downward air-returning mode. The bottom is made of 304# stainless steel and punched, and integrates stiffeners;

Filter: G4 primary filter, H14 HEPA filter;

Wind speed: after HEPA filtration, wind speed at 0.38-0.57m/s (tested at 150mm below the uniform flow membrane);

Differential pressure function: pressure difference of the filter displayed (range: HEPA 0-500Pa/medium efficiency 0-250Pa), accuracy: ±5Pa;

Control function: fan on/off switch, with built-in electronic door interlock; UV lamp with an exclusive switch;

HEPA filter can be removed and mounted via top cabinet for easy maintenance and replacement;

Access hole is integrated below the delivery window for fan maintenance;

Noise: normal running of delivery window < 65dB;

Diffuse plate: made of 304# stainless steel screen


3.Laminar flow pass box feature

1. The surface material of pass box is cold rolled steel or stainless steel.

2. The inside material of pass box is stainless steel, it can prevent scratches and keeps the pass box flat, neat and wearable.

3. Doors in two sides with mechanical or electronic interlock.

4. Adopt mini-pleated HEPA filter,efficiency:99.99%@0.3μm.

5. According to production process requirement, it can install efficient sterilization lamp.



4. Standard Model Technology Parameter

Model YN-SC-500 YN-SC-600 YN-SC-750 YN-SC-800
External Size (W×D×H) mm 840×500×1350 940×600×1450 1090×750×1600 1140×800×1650
Internal Size (W×D×H) mm 500×500×500 600×600×600 750×750×750 800×800×800
Noise Level(dB) <62 <62 <62 <62
Stainless Steel Nozzle 4PCS 6PCS 6PCS 6PCS
Wind Speed ≥25m/s ≥25m/s ≥25m/s ≥25m/s
Pre-filter Size (W×D×H) mm 525×275×17 560×275×17 560×275×17 560×275×17
Efficiency G4 G4 G4 G4
HEPA Filter Size (W×D×H) mm 484×484×69 630×630×69 630×630×69 630×630×69
Efficiency 99.99% 0.3µm 99.99% 0.3µm 99.99% 0.3µm 99.99% 0.3µm
Power Supply 380V/50Hz 380V/50Hz 380V/50Hz 380V/50Hz
Total Power 750W 750W 750W 750W
Laminar Flow Dynamic Pass Box 0Laminar Flow Dynamic Pass Box 1