The overall general service life of the DOP laminar flow transfer window (laminar flow transfer window with DOP detection port) is 5 to 10 years. With high-quality materials and standardized maintenance, it can be extended to more than 10 years. The following are explanations by dimensions:
I. Overall Lifespan and Key Influencing Factors
| Influencing factors | Explanation | The impact on lifespan |
| Material and manufacturing process | High-quality 304/316 stainless steel main body, precisely manufactured | The main framework can last for more than 10 years |
| Usage frequency and environment | High cleanliness, low dust environment, and reasonable usage intensity | Extend service life and reduce component wear and tear |
| Maintenance and upkeep level | Regular cleaning, replacement of consumables, and standardized maintenance for leak detection and testing can extend the service life | A service life of 3 to 5 years |
Ii. Core Component Replacement Cycle (Parallel to Overall Lifespan)
|
Component |
Replacement cycle | Explanation |
| High-efficiency Filter (HEPA | 6 to 12 months | The differential pressure gauge should be replaced in a timely manner when its reading drops significantly |
| Sealing strip | 1 to 2 years | Replace immediately when aging or damage is found |
| Ultraviolet lamp tube | About 5,000 hours | Places with high biosafety requirements need to be replaced regularly |
| Fan | About 3 years | Consider replacement when performance declines or noise increases |
| DOP detection | At least once a year | GMP requires ensuring the integrity of high-efficiency filters |
Iii. Explanation of Lifespan Differences
The lifespan of the main frame: High-quality stainless steel can last for over 10 years under proper use, while ordinary steel is prone to rust and has its lifespan shortened
The effective service life of the entire machine: 5 to 10 years is a common consensus in the industry, depending on the maintenance and replacement of core components
Warranty period: Generally one year, and can be extended through negotiation
Iv. Suggestions for Extending Service Life
Check the wind speed, cleanliness and integrity of the sealing strip every month
Replace the primary filter every quarter and the high-efficiency filter every 6 to 12 months
Conduct DOP/PAO leak detection tests annually to ensure the sealing performance of the filtration system
Avoid sharp objects from scratching the inner wall and clean it promptly after use
Summary
The overall service life of the DOP laminar flow transfer window is approximately 5 to 10 years. Through the selection of high-quality materials, standardized use and regular maintenance (especially the replacement of core consumables), the effective service life can be extended to more than 10 years, ensuring stable operation in clean environments such as pharmaceuticals, electronics and biological laboratories.
