ISPE Glossary of Pharmaceutical and Biotechnology Terminology

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Airlock

A room or space designed to act as a means of transfer between areas of different air classification or quality.

Publication Source: ISPE Baseline® Guide, Vol. 3: Sterile Manufacturing Facilities (First Edition)

Publication Date: 2011

Airlock

A room or space designed to act as a means of segregating areas of different air classification or quality. It may contain a method to remove particulate contamination from clean room garments as personnel pass through, and usually includes HEPA filtered air supply and interlocking doors. Airlocks pressure will “float” between those of the spaces being protected. With all doors closed, the airlock pressure will be somewhere between that of the highest adjoining room and that of the lowest adjoining room as air flows through it from room to room. “Ventilated airlocks” are in neutral ducted air balance (supply CFM = return CFM).

Airlock

An enclosed space with two or more doors and which is interposed between two or more rooms, e.g., of differing class of cleanliness, for the purpose of controlling the air flow between those rooms when they need to be entered. An airlock is designed for and used by either people or goods.

Publication Source: Rules and Guidance for Pharmaceutical Manufacturers and Distributors. Medicines Control Agency (MCA)

Airlock

Intermediate room or area that is normally ventilated, and used to minimize the transfer of airborne contamination from one area to another. A room or space designed to act as a means of transfer between areas of different air classification or quality.

Publication Source: ISPE Baseline® Guide, Vol. 3: Sterile Product Manufacturing Facilities (Second Edition)

Publication Date: 2011

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