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.
The question can be answered quite simply – using our pressure equalisation calculator. Take a look here.
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Shows the functions of the product
For general product illustration
| Material: Nickel Plated Brass; Connecting Thread: M | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Article number | Size ET | Size | Clamping Range Outer Sheath | Clamping Range Inner Sheath | clamping area armouring |  | | Connecting thread length | H | PU | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ |
| Standard Sealing, Silicone | ||||||||||||||
| 00846404V1 | M 12 x 1.5 | 5 | 7.0 | 12.0 | 4.5 | 7.0 | 0.20 | 0.90 | 19 | 19 | 15.0 | 46.00 | 1 | |
| 00846574V1 | M 16 x 1.5 | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 19 | 15.0 | 41.00 | 1 | |
| 00846594V1 | M 16 x 1.5 | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 19 | 15.0 | 46.00 | 1 | |
| 00846504V1 | M 16 x 1.5 | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 15.0 | 51.00 | 1 | |
| 00846654V1 | M 20 x 1.5 | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 24 | 15.0 | 41.00 | 1 | |
| 00846674V1 | M 20 x 1.5 | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 24 | 15.0 | 46.00 | 1 | |
| 00846694V1 | M 20 x 1.5 | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 15.0 | 51.00 | 1 | |
| 00846604V1 | M 20 x 1.5 | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 15.0 | 57.50 | 1 | |
| 00846774V1 | M 25 x 1.5 | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 30 | 15.0 | 51.00 | 1 | |
| 00846794V1 | M 25 x 1.5 | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 15.0 | 57.50 | 1 | |
| 00846704V1 | M 25 x 1.5 | 8 | 18.0 | 27.5 | 13.5 | 20.5 | 0.20 | 1.60 | 41 | 41 | 15.0 | 68.00 | 1 | |
| 00846894V1 | M 32 x 1.5 | 8 | 18.0 | 27.5 | 13.5 | 21.0 | 0.20 | 1.60 | 41 | 41 | 15.0 | 68.00 | 1 | |
| 00846804V1 | M 32 x 1.5 | 9 | 23.0 | 34.0 | 18.0 | 26.0 | 0.20 | 1.60 | 48 | 48 | 15.0 | 76.00 | 1 | |
| 00846994V1 | M 40 x 1.5 | 9 | 23.0 | 34.0 | 18.0 | 27.5 | 0.20 | 1.60 | 48 | 48 | 15.0 | 76.00 | 1 | |
| 00846904V1 | M 40 x 1.5 | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 15.0 | 88.00 | 1 | |
| 00847094V1 | M 50 x 1.5 | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 16.0 | 88.00 | 1 | |
| 00847004V1 | M 50 x 1.5 | 11 | 35.0 | 48.0 | 29.0 | 41.0 | 0.20 | 2.50 | 64 | 64 | 16.0 | 97.00 | 1 | |
| 00847294V1 | M 63 x 1.5 | 12 | 42.0 | 56.0 | 35.0 | 48.0 | 0.20 | 2.50 | 72 | 72 | 17.0 | 102.00 | 1 | |
| 00847204V1 | M 63 x 1.5 | 13 | 50.0 | 65.0 | 42.0 | 53.0 | 0.20 | 2.50 | 85 | 85 | 17.0 | 117.00 | 1 | |
| 00847394V1 | M 75 x 1.5 | 13 | 50.0 | 65.0 | 42.0 | 56.0 | 0.20 | 2.50 | 85 | 85 | 18.0 | 117.00 | 1 | |
| 00847304V1 | M 75 x 1.5 | 14 | 58.0 | 74.0 | 50.0 | 62.5 | 0.20 | 2.50 | 95 | 95 | 18.0 | 124.00 | 1 | |
| 00847594V1 | M 90 x 2.0 | 15 | 66.0 | 83.0 | 58.0 | 74.0 | 0.20 | 3.20 | 110 | 110 | 22.0 | 133.00 | 1 | |
| 00847504V1 | M 90 x 2.0 | 16 | 75.0 | 93.0 | 66.0 | 78.0 | 0.20 | 3.20 | 120 | 120 | 22.0 | 140.00 | 1 | |
| 00847574V1 | M 90 x 2.0 | 17 | 85.0 | 104.0 | 66.0 | 83.0 | 0.20 | 3.50 | 135 | 120 | 22.0 | 140.00 | 1 | |
| 00847794V1 | M 110 x 2.0 | 17 | 85.0 | 104.0 | 75.0 | 93.0 | 0.20 | 3.50 | 135 | 135 | 22.0 | 150.00 | 1 | |
| Unless otherwise stated, all data in millimeters or pieces (quantity) | ||||||||||||||
| Material: Nickel Plated Brass; Connecting Thread: NPT | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Article number | Size ET | Size | Clamping Range Outer Sheath | Clamping Range Inner Sheath | clamping area armouring | | | Connecting thread length | H | PU | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ |
| Standard Sealing, Silicone | ||||||||||||||
| 00848404V1 | NPT 1/4 " | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 19 | 16.6 | 46.00 | 1 | |
| 00848574V1 | NPT 3/8 " | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 19 | 16.6 | 41.00 | 1 | |
| 00848594V1 | NPT 3/8 " | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 19 | 16.6 | 46.00 | 1 | |
| 00848504V1 | NPT 3/8 " | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 16.6 | 51.00 | 1 | |
| 00848664V1 | NPT 1/2 " | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 24 | 22.2 | 41.00 | 1 | |
| 00848674V1 | NPT 1/2 " | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 24 | 22.2 | 46.00 | 1 | |
| 00848694V1 | NPT 1/2 " | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 22.2 | 51.00 | 1 | |
| 00848604V1 | NPT 1/2 " | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 22.2 | 57.50 | 1 | |
| 00848774V1 | NPT 3/4 " | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 30 | 22.5 | 51.00 | 1 | |
| 00848794V1 | NPT 3/4 " | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 22.5 | 57.50 | 1 | |
| 00848704V1 | NPT 3/4 " | 8 | 18.0 | 27.5 | 13.5 | 20.5 | 0.20 | 1.60 | 41 | 41 | 22.5 | 68.00 | 1 | |
| 00848894V1 | NPT 1 " | 8 | 18.0 | 27.5 | 13.5 | 21.0 | 0.20 | 1.60 | 41 | 41 | 27.3 | 68.00 | 1 | |
| 00848804V1 | NPT 1 " | 9 | 23.0 | 34.0 | 18.0 | 26.0 | 0.20 | 1.60 | 48 | 48 | 27.3 | 76.00 | 1 | |
| 00848994V1 | NPT 1 1/4 " | 9 | 23.0 | 34.0 | 18.0 | 27.5 | 0.20 | 1.60 | 48 | 48 | 28.0 | 76.00 | 1 | |
| 00848904V1 | NPT 1 1/4 " | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 28.0 | 88.00 | 1 | |
| 00849094V1 | NPT 1 1/2 " | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 28.5 | 88.00 | 1 | |
| 00849004V1 | NPT 1 1/2 " | 11 | 35.0 | 48.0 | 29.0 | 41.0 | 0.20 | 2.50 | 64 | 64 | 28.5 | 97.00 | 1 | |
| 00849294V1 | NPT 2 " | 12 | 42.0 | 56.0 | 35.0 | 48.0 | 0.20 | 2.50 | 72 | 72 | 29.2 | 102.00 | 1 | |
| 00849204V1 | NPT 2 " | 13 | 50.0 | 65.0 | 42.0 | 53.0 | 0.20 | 2.50 | 85 | 85 | 29.2 | 117.00 | 1 | |
| 00849494V1 | NPT 2 1/2 " | 13 | 50.0 | 65.0 | 42.0 | 56.0 | 0.20 | 2.50 | 85 | 85 | 42.5 | 117.00 | 1 | |
| 00849404V1 | NPT 2 1/2 " | 14 | 58.0 | 74.0 | 50.0 | 62.5 | 0.20 | 2.50 | 95 | 95 | 42.5 | 124.00 | 1 | |
| 00849594V1 | NPT 3 " | 15 | 66.0 | 83.0 | 58.0 | 74.0 | 0.20 | 3.20 | 110 | 110 | 44.0 | 133.00 | 1 | |
| 00849504V1 | NPT 3 " | 16 | 75.0 | 93.0 | 66.0 | 78.0 | 0.20 | 3.20 | 120 | 120 | 44.0 | 140.00 | 1 | |
| 00849604V1 | NPT 3 1/2 " | 16 | 85.0 | 104.0 | 66.0 | 83.0 | 0.20 | 3.50 | 135 | 135 | 45.2 | 150.00 | 1 | |
| 00849704V1 | NPT 4 " | 17 | 85.0 | 93.0 | 75.0 | 93.0 | 0.20 | 3.50 | 135 | 135 | 46.5 | 150.00 | 1 | |
| Unless otherwise stated, all data in millimeters or pieces (quantity) | ||||||||||||||
| Material: Stainless Steel 1.4404; Connecting Thread: M | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Article number | Size ET | Size | Clamping Range Outer Sheath | Clamping Range Inner Sheath | clamping area armouring | | | Connecting thread length | H | PU | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ |
| Standard Sealing, Silicone | ||||||||||||||
| 00846409V1 | M 12 x 1.5 | 5 | 7.0 | 12.0 | 4.5 | 7.0 | 0.20 | 0.90 | 19 | 19 | 15.0 | 46.00 | 1 | |
| 00846579V1 | M 16 x 1.5 | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 19 | 15.0 | 41.00 | 1 | |
| 00846599V1 | M 16 x 1.5 | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 19 | 15.0 | 46.00 | 1 | |
| 00846509V1 | M 16 x 1.5 | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 15.0 | 51.00 | 1 | |
| 00846659V1 | M 20 x 1.5 | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 24 | 15.0 | 41.00 | 1 | |
| 00846679V1 | M 20 x 1.5 | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 24 | 15.0 | 46.00 | 1 | |
| 00846699V1 | M 20 x 1.5 | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 15.0 | 51.00 | 1 | |
| 00846609V1 | M 20 x 1.5 | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 15.0 | 57.50 | 1 | |
| 00846779V1 | M 25 x 1.5 | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 30 | 15.0 | 51.00 | 1 | |
| 00846799V1 | M 25 x 1.5 | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 15.0 | 57.50 | 1 | |
| 00846709V1 | M 25 x 1.5 | 8 | 18.0 | 27.5 | 13.5 | 20.5 | 0.20 | 1.60 | 41 | 41 | 15.0 | 68.00 | 1 | |
| 00846899V1 | M 32 x 1.5 | 8 | 18.0 | 27.5 | 13.5 | 21.0 | 0.20 | 1.60 | 41 | 41 | 15.0 | 68.00 | 1 | |
| 00846809V1 | M 32 x 1.5 | 9 | 23.0 | 34.0 | 18.0 | 26.0 | 0.20 | 1.60 | 48 | 48 | 15.0 | 76.00 | 1 | |
| 00846999V1 | M 40 x 1.5 | 9 | 23.0 | 34.0 | 18.0 | 27.5 | 0.20 | 1.60 | 48 | 48 | 15.0 | 76.00 | 1 | |
| 00846909V1 | M 40 x 1.5 | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 15.0 | 88.00 | 1 | |
| 00847099V1 | M 50 x 1.5 | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 16.0 | 88.00 | 1 | |
| 00847009V1 | M 50 x 1.5 | 11 | 35.0 | 48.0 | 29.0 | 41.0 | 0.20 | 2.50 | 64 | 64 | 16.0 | 97.00 | 1 | |
| 00847299V1 | M 63 x 1.5 | 12 | 42.0 | 56.0 | 35.0 | 48.0 | 0.20 | 2.50 | 72 | 72 | 17.0 | 102.00 | 1 | |
| 00847209V1 | M 63 x 1.5 | 13 | 50.0 | 65.0 | 42.0 | 53.0 | 0.20 | 2.50 | 85 | 85 | 17.0 | 117.00 | 1 | |
| 00847399V1 | M 75 x 1.5 | 13 | 50.0 | 65.0 | 42.0 | 56.0 | 0.20 | 2.50 | 85 | 85 | 18.0 | 117.00 | 1 | |
| 00847309V1 | M 75 x 1.5 | 14 | 58.0 | 74.0 | 50.0 | 62.5 | 0.20 | 2.50 | 95 | 95 | 18.0 | 124.00 | 1 | |
| 00847599V1 | M 90 x 2.0 | 15 | 66.0 | 83.0 | 58.0 | 74.0 | 0.20 | 3.20 | 110 | 110 | 22.0 | 133.00 | 1 | |
| 00847509V1 | M 90 x 2.0 | 16 | 75.0 | 93.0 | 66.0 | 78.0 | 0.20 | 3.20 | 120 | 120 | 22.0 | 140.00 | 1 | |
| 00847579V1 | M 90 x 2.0 | 17 | 85.0 | 104.0 | 66.0 | 83.0 | 0.20 | 3.50 | 135 | 120 | 22.0 | 140.00 | 1 | |
| 00847799V1 | M 110 x 2.0 | 17 | 85.0 | 104.0 | 75.0 | 93.0 | 0.20 | 3.50 | 135 | 135 | 22.0 | 150.00 | 1 | |
| Unless otherwise stated, all data in millimeters or pieces (quantity) | ||||||||||||||
| Material: Stainless Steel 1.4404; Connecting Thread: NPT | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Article number | Size ET | Size | Clamping Range Outer Sheath | Clamping Range Inner Sheath | clamping area armouring | | | Connecting thread length | H | PU | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ |
| Standard Sealing, Silicone | ||||||||||||||
| 00848409V1 | NPT 1/4 " | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 20 | 16.6 | 46.00 | 1 | |
| 00848579V1 | NPT 3/8 " | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 19 | 16.6 | 41.00 | 1 | |
| 00848599V1 | NPT 3/8 " | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 19 | 16.6 | 46.00 | 1 | |
| 00848509V1 | NPT 3/8 " | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 16.6 | 51.00 | 1 | |
| 00848669V1 | NPT 1/2 " | 4 | 4.5 | 8.5 | 2.8 | 5.5 | 0.20 | 0.90 | 17 | 24 | 22.2 | 41.00 | 1 | |
| 00848679V1 | NPT 1/2 " | 5 | 7.0 | 12.0 | 4.5 | 8.0 | 0.20 | 0.90 | 19 | 24 | 22.2 | 46.00 | 1 | |
| 00848699V1 | NPT 1/2 " | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 24 | 22.2 | 51.00 | 1 | |
| 00848609V1 | NPT 1/2 " | 7 | 13.5 | 21.0 | 10.0 | 15.5 | 0.20 | 1.30 | 30 | 30 | 22.2 | 57.50 | 1 | |
| 00848779V1 | NPT 3/4 " | 6 | 10.0 | 16.0 | 7.0 | 12.0 | 0.20 | 1.30 | 24 | 30 | 22.5 | 51.00 | 1 | |
| 00848799V1 | NPT 3/4 " | 7 | 13.5 | 21.0 | 10.0 | 16.0 | 0.20 | 1.30 | 30 | 30 | 22.5 | 57.50 | 1 | |
| 00848709V1 | NPT 3/4 " | 8 | 18.0 | 27.5 | 13.5 | 20.5 | 0.20 | 1.60 | 41 | 41 | 22.5 | 68.00 | 1 | |
| 00848899V1 | NPT 1 " | 8 | 18.0 | 27.5 | 13.5 | 21.0 | 0.20 | 1.60 | 41 | 41 | 27.3 | 68.00 | 1 | |
| 00848809V1 | NPT 1 " | 9 | 23.0 | 34.0 | 18.0 | 26.0 | 0.20 | 1.60 | 48 | 48 | 27.3 | 76.00 | 1 | |
| 00848999V1 | NPT 1 1/4 " | 9 | 23.0 | 34.0 | 18.0 | 27.5 | 0.20 | 1.60 | 48 | 48 | 28.0 | 76.00 | 1 | |
| 00848909V1 | NPT 1 1/4 " | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 28.0 | 88.00 | 1 | |
| 00849099V1 | NPT 1 1/2 " | 10 | 29.0 | 41.0 | 23.0 | 34.0 | 0.20 | 2.00 | 55 | 55 | 28.5 | 88.00 | 1 | |
| 00849009V1 | NPT 1 1/2 " | 11 | 35.0 | 48.0 | 29.0 | 41.0 | 0.20 | 2.50 | 64 | 64 | 28.5 | 97.00 | 1 | |
| 00849299V1 | NPT 2 " | 12 | 42.0 | 56.0 | 35.0 | 48.0 | 0.20 | 2.50 | 72 | 72 | 29.2 | 102.00 | 1 | |
| 00849209V1 | NPT 2 " | 13 | 50.0 | 65.0 | 42.0 | 53.0 | 0.20 | 2.50 | 85 | 85 | 29.2 | 117.00 | 1 | |
| 00849499V1 | NPT 2 1/2 " | 13 | 50.0 | 65.0 | 42.0 | 56.0 | 0.20 | 2.50 | 85 | 85 | 42.5 | 117.00 | 1 | |
| 00849409V1 | NPT 2 1/2 " | 14 | 58.0 | 74.0 | 50.0 | 62.5 | 0.20 | 2.50 | 95 | 95 | 42.5 | 124.00 | 1 | |
| 00849599V1 | NPT 3 " | 15 | 66.0 | 83.0 | 58.0 | 74.0 | 0.20 | 3.20 | 110 | 110 | 44.0 | 133.00 | 1 | |
| 00849509V1 | NPT 3 " | 16 | 75.0 | 93.0 | 66.0 | 78.0 | 0.20 | 3.20 | 120 | 120 | 44.0 | 140.00 | 1 | |
| 00849609V1 | NPT 3 1/2 " | 16 | 85.0 | 104.0 | 66.0 | 83.0 | 0.20 | 3.50 | 135 | 135 | 45.2 | 150.00 | 1 | |
| 00849709V1 | NPT 4 " | 17 | 85.0 | 107.0 | 75.0 | 93.0 | 0.20 | 3.50 | 135 | 135 | 46.5 | 150.00 | 1 | |
| Unless otherwise stated, all data in millimeters or pieces (quantity) | ||||||||||||||
