Shenzhen Zhong Jian South Environment Co., Ltd.
| Payment Terms | tt lc PayPal credit card |
| Delivery Time | 18 days |
| Packaging Details | plywood/wooden package |
| Frame Material | Stailess Steel/Aluminum |
| FFU size | 575*575*320 mm |
| HEPA size | 570*570*69 mm |
| Air flow | 400-600 m³/h |
| Voltage | 110V/120V 50HZ/60HZ |
| Efficiency | 99.99% H14 |
| Brand Name | ZJNF |
| Model Number | FFU 2X2 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | tt lc PayPal credit card | Delivery Time | 18 days |
| Packaging Details | plywood/wooden package | Frame Material | Stailess Steel/Aluminum |
| FFU size | 575*575*320 mm | HEPA size | 570*570*69 mm |
| Air flow | 400-600 m³/h | Voltage | 110V/120V 50HZ/60HZ |
| Efficiency | 99.99% H14 | Brand Name | ZJNF |
| Model Number | FFU 2X2 | Certification | CE |
| Place of Origin | China | ||
| High Light | Clean room laminar flow hood FFU ，FFU fan filter unit with HEPA filter ，Separated parts fan motor FFU | ||
The national standards for laminar flow hoods mainly follow the relevant requirements of the "Code for Design of Cleanrooms" (GB 50073) and the "Good Manufacturing Practice for Drugs" (GMP). The core indicators include:
Cleanliness level: Critical areas must reach level 100 (ISO 5) or higher.
Wind speed: The wind speed in a Class 100 cleanroom should be controlled at around 0.45m/s, with a deviation of no more than ± 20%.
Air volume: The air volume of a Class 100 clean room generally needs to reach 3000 cubic meters per hour or more.
Efficient filtration: HEPA or ULPA filters are required, with a filtration efficiency of ≥ 99.97% for particles ≥ 0.3 μ m.
Positive pressure control: The work area needs to maintain a positive pressure of 5-10 Pa to prevent external pollution.
In addition, attention should be paid to material selection (such as stainless steel), noise control (usually ≤ 65dB (A)), and installation and maintenance requirements.
The replacement cycle of high-efficiency filters in laminar flow hoods is usually between 1 and 3 years, depending on the usage environment, protection of the pre filter, and actual operating parameters.
The key influencing factors include:
Usage environment: For places with high cleanliness requirements such as hospital operating rooms and pharmaceutical workshops, it is recommended to replace them every 6-12 months; Ordinary office or home environments can be appropriately extended to 1-2 years.
Pre filter: If the initial and intermediate filters are properly maintained, they can effectively protect high-efficiency filters and extend their lifespan to more than 2 years.
Operating parameters: When the filter resistance reaches 1.5-2 times the initial resistance value or the airflow velocity is below 0.35m/s, it needs to be replaced immediately.
Suggestion:
Regular monitoring: Real time monitoring of filter status through differential pressure gauge or particle counter.
Keep good records: Record the running time and performance changes to provide a basis for replacement.
Professional maintenance: It is recommended to contact the manufacturer when replacing to ensure proper operation and avoid contamination.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-4000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Shenzhen ZhongJian South Environment Co., Ltd was founded in 2003. Which is the only high-tech technology company in Southern China with CNAS certification We are mainly engaged in Designing Manufacturing, Testing & Verification, Manufacturing Processes and Quality Control, ... Shenzhen ZhongJian South Environment Co., Ltd was founded in 2003. Which is the only high-tech technology company in Southern China with CNAS certification We are mainly engaged in Designing Manufacturing, Testing & Verification, Manufacturing Processes and Quality Control, ...
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