![]() This can, however, work out more expensive in the long run. The common consequence is often the decision to make personnel airlocks as small as possible. While the cleanroom itself provides a measurable economic benefit, the airlock seemingly only provides access to the controlled area and requires maintenance, while not obviously adding to the bottom line profit. The airlock system that allows personnel to pass through from a non-controlled environment into a cleanroom is for many cleanroom operators an unwelcome cost. Florian Dittel, Dittel Engineering, looks at why, when designing airlocks, smaller can often turn out to be more expensive. ![]() When building a cleanroom, getting the entry airlock right is important. The larger airlock allows more people to move around, accelerates the shift change and lessens the waiting time in the airlock, which reduces the delay in the production process Dittel Engineering has developed a formula to calculate the optimal size of personnel airlocks from an economic point of view. ![]() ![]() The airlock system that allows personnel to pass through from a non-controlled environment into a cleanroom represents a significant cost factor.
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