Pressure equalisation elements

Meaning & Function

Fluctuations in temperature triggered by external influences (such as changing weather conditions) can lead to condensation developing within the enclosure. To prevent this from happening, we recommend using pressure equalisation elements.

Our pressure equalisation elements prevent the pressure difference between the inside of the enclosure and the environment, which is responsible for the condensation in the enclosure. The elements made of robust polyamide or stainless steel are fitted with a special air permeable but water repellent membrane in order to maintain the enclosure’s IP protection. You will find solutions in different sizes, materials or colours in our extensive product range.


How many pressure equalisation elements do you need for your application?

The question can be answered quite simply – using our pressure equalisation calculator. Take a look here.

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To our products


Material:Stainless Steel
Temperatures:from -55°C to 135°C
Protection Class:IP66
Colour:RAL 7001


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Data Sheets / Installation instructions

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Mounting Instruction
Material: Stainless Steel
Article numberSize ETLengthWidthHeight to
21101006000 100.0100.0061
21151006000 150.0100.0061
21151508000 150.0150.0081
21201006000 200.0100.0061
21202008000 200.0200.0081
21202012000 200.0200.00121
21301508000 300.0150.0081
21302008000 300.0200.0081
21302012000 300.0200.00121
21303012000 300.0300.00121
21303016000 300.0300.00161
21383816000 380.0380.00161
21401508000 400.0150.0081
21402012000 400.0200.00121
21403016000 400.0300.00161
21503016000 500.0300.00161
21504016000 500.0400.00161
21602012000 600.0200.00121
Unless otherwise stated, all data in millimeters or pieces (quantity)