@air
2025-08-25

What is the dew point requirement for compressed air for sterile preparations

Requirements and solutions for compressed air dew point in the production of sterile preparations

1. Definition and importance of dew point
The dew point refers to the temperature at which the air cools to the point where water vapor reaches saturation. The lower the dew point, the less moisture content in the air. In the production of sterile preparations, the control of the dew point of compressed air is crucial-if the dew point is too high, when the air is cold, the moisture will condense into liquid water, which may breed microorganisms, contaminate products, or affect the normal operation of equipment.

2. Requirements for sterile preparations for compressed air dew point
Sterile preparations (such as injections, ophthalmic preparations, etc.) have extremely high requirements for the cleanliness of compressed air and usually need to meet the following standards:

  • Dew point temperature needs to be lower than ambient temperature: Avoid condensed water generated due to temperature reduction during transportation or use of compressed air, and prevent microorganisms from reproducing or contaminating products;
  • Combined drying equipment control: Further reduce the moisture content in the compressed air by supporting a freezing or adsorption dryer to ensure that the dew point meets the process requirements (such as-40℃ or lower, which needs to be adjusted according to the production environment).

3. Adaptable solutions for Granklin air compressors
Granklin water-lubricated single-screw air compressor provides compressed air that meets dew point requirements for the production of sterile preparations through the following technical characteristics:

  • Oil-free base: Adopt water lubrication technology to completely prevent lubricating oil from being mixed with compressed air and reduce the risk of pollution caused by oil adsorption of water;
  • Stable gas supply and coordination of post-processing: The equipment continuously and stably outputs compressed air, which can be seamlessly connected to post-treatment devices such as dryers, and effectively reduces the dew point through deep drying to meet the high cleanliness requirements of a sterile environment;
  • Corrosion resistance and sealing design: Key components are made of corrosion-resistant materials and are matched with sealing structures to prevent the intrusion of external moisture or impurities and ensure the long-term stability of compressed air quality.

conclusion
With its oil-free and stable technical characteristics and the deep drying capability of post-treatment equipment, Granklin water-lubricated single-screw air compressor can effectively control the dew point of compressed air and meet the strict requirements for air cleanliness in the production of sterile preparations. Provide safe and reliable air source guarantee for pharmaceutical companies.

(Note: The content of this article is based on the description of technical characteristics and process adaptability, and does not involve specific models or third-party brand information.)

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