KeLing Purification Technology Company Limited 


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18-25m/s Cleanroom Pass Box

China KeLing Purification Technology Company certification
China KeLing Purification Technology Company certification
Customer Reviews
Keling had successfully supplied us following products on 25 Oct.2017 against PO NO.M170807; Their supplied Air Filters have been working satisfactorily since installation.We are satisfied with their products.


Since we do coopertae with them, they always offer good quality and keep the delivery on time to us, we do appreicated for their kind support !

—— Nasir

This is to certify that we bought U type air shower tunnel, Air Shower and HEPA filter, Secondary air filter ,perfilter for our project from KeLing Purification Technology Co. Ltd, 3C01 Tian Feng Commerce Square, Mid Building, No. 133, Baiyun AV, Baiyun Disctrict , Guangzhou , GuangDong, China against Contract No: 2014/4119005942 in October 22, 201

—— IATEC,Argentina

Product arrived faster than expected and they sent something special in addition to what I ordered. Nice people and fast service!

—— Mohammed Saad

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18-25m/s Cleanroom Pass Box

18-25m/s Cleanroom Pass Box
18-25m/s Cleanroom Pass Box 18-25m/s Cleanroom Pass Box 18-25m/s Cleanroom Pass Box 18-25m/s Cleanroom Pass Box

Large Image :  18-25m/s Cleanroom Pass Box

Product Details:
Place of Origin: China
Brand Name: Haoairtech
Certification: CE
Model Number: KEL-ASPB500
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Detailed Product Description
Brand: Haoairtech Material: 1: Entirety Sus304.(T=1.2/1.5mm) 2: Entirety Sus201.(T=1.2/1.5mm) 3: External Is Steel With Power Coated, Internal Is SUS304(T=1.2/1.5mm) 4: External Is Steel With Power Coated. Internal Is SUS201(T=1.2/1.5mm)
MODEL: KEL-ASPB500 External Size (mm) (W*D*H): 850x500x1350mm
Work Zone (mm) (W*D*H): 500x500x500mm Nozzles: 4-6 Pieces
Air Speed: 18-25m/s Air Filter: Per-filter/HEPA Filter
High Light:

clean room pass through box


Pass Thru Box

Transfer Window and Air Shower Pass Box

Pass Box is a kind of assistant equipment for clean room. Mainly be used in passing the small articles between clean room and unclean room, different class and different pressure clean room. One side, it is affected for air brake and protect the high pressure discharged in the high class clean room. On the other hand, it can achieve the showering result during the passing for ensuring goods clean to enter the clean room and reduce the goods to bring the pollution extent. The showering time can according to the practical need within one minute adjustable. It can reach showering and save energy for the maximal limit.




Product Features:

1.Material:SS 304

2.On both sides of the gate has a mechanical interlock or electrical interlock device, make sure not in an open position at the same time on both sides of the door.

3.The outlet of the wind speed up to more than 20 s.

4.Adopts hepa filter with separators, the filtration efficiency is: 99.99%, to ensure that the level of purification.

5.Using EVA sealing material, sealing performance is high.

6.Imported electronic components, reliable in performance.



Pass Box

  • used for goods transfer between clean areas or between clean and non-clean areas

  • reduce cleanroom contamination risk

  • static and dynamic type

  • with self-clean and sterilization optional




Products Parameter:

External size (mm)
Work zone (mm)
Nozzle 4 PCS
Air speed 18-25m/s
Per-filter 425x275x17mm
HEPA filter 360x360x69mm
99.99%@0.3um H13
Optional accessories 1: UV light. 2: Interphone 3:Differential pressure gauge 4: Roller
Power supply 0.75KW 380V/50HZ
packing size (mm) 1050x780x1600mm 1100x880x1700mm 1240x1030x1850mm
Packing material Standard Export Poly wood Packing(Fumigant free material)




Air Shower Pass Box:

pass box


Air Shower Pass Box Bottom:



Air Shower Pass Box Top Nozzle:



Company Principle:

We are committed to developing in GMP clean workshop, QS clean workshop, industrial clean workshop, aseptic room, biosafety laboratory and other standard clean workshops and supporting clean equipment. We have established and improved the products quality management system according to the international standard, and the products have awarded more than ten national patents.
We have settled up a high-quality product research and development team, adhering to the sincere and trustworthy, serious and rigorous work style, constantly improve ourselves, make the business philosophy remain in "advanced technology, quality products, reasonable prices, the best service to satisfy the purification of the market.



About Us


We are a professional manufacturer in air purification field for many years in China. Our products with good quality, reasonable prices and custom design.
Our main products include the cleanroom air shower , cargo air shower , static pass box , dynamic pass box , dispensing booth , vertical / horizontal laminar air flow clean cabinet , air filter,etc. AII of products can be customized.
Our customers come from Pakistan , Chile , India , Algeria , Nigeria, Italy , Czech Republic , ect.


Contact Details
KeLing Purification Technology Company

Contact Person: Helen

Tel: +8613533749520

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