Pressure equalization units
![](https://www.elmeko.de/pub/media/heliomedia/cache/600x600/DEM_Gruppe_1_1_1.jpg)
It is necessary to ensure that there is no negative pressure inside electronic enclosures with high protection classes. DEM Pressure equalization units ensure a high airflow, while the effective ePTFE-membrane prevents dirt and moisture from penetrating. Protection degrees IP68/IP69 is retained.
![OUT-FIT OF-M25-W](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_OF25_W_1.jpg)
OUT-FIT OF-M25-W
€68.50
- Category
- Drainage and pressure equalization
- Thread
- M25 x 1,5
- Assembly
- Side wall, outside
- Note
- Suitable for control cabinets standing on the floor
![OUT-FIT OF-M20-BI](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_OF20_BI_1.jpg)
OUT-FIT OF-M20-BI
€56.00
- Category
- Drainage and pressure equalization
- Thread
- M20 x 1,5
- Assembly
- Bottom, inside
- Note
- Lock nut included Flange FL-M20-BI is an accessory
![OUT-FIT OF-M20-BA](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_OF20_BA_1.jpg)
OUT-FIT OF-M20-BA
€67.50
- Category
- Drainage and pressure equalization
- Thread
- M20 x 1,5
- Assembly
- Bottom, outside
- Note
- Water on the bottom is drained off + hose connection
![Pressure equalization unit DEM12](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_DE12_PAHF.jpg)
Pressure equalization unit DEM12
€4.00
- Category
- Drainage and pressure equalization
- Thread
- M12 x 1,5
- Wrench size
- SW 16
- Configuration
- Polyamide
![Pressure equalization unit DEM 20](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_DE20_PAHF.jpg)
Pressure equalization unit DEM 20
€7.50
- Category
- Drainage and pressure equalization
- Thread
- M20 x 1,5
- Wrench size
- SW 24
- Configuration
- Polyamide
![Pressure equalization unit DEM 40](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_DE40_PAHF.jpg)
Pressure equalization unit DEM 40
€14.00
- Category
- Drainage and pressure equalization
- Thread
- M40 x 1,5
- Wrench size
- SW 46
- Configuration
- Polyamide
![Pressure equalization unit DEM 12 MS](https://www.elmeko.de/pub/media/catalog/product/cache/c2d5e285eaf195c834bdcb3250fd9c7f/B/i/Bild_01_74_DE12_MSHF.jpg)
Pressure equalization unit DEM 12 MS
€18.00
- Category
- Drainage and pressure equalization
- Thread
- M12 x 1,5
- Wrench size
- SW 16
- Configuration
- Brass nickel-plated