Working pressure up to 70 bar
Below is an overview of all couplings with a working pressure up to 70 bar. To get more information such as technical data and part number, click on the series number.
Working pressure
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DN
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Media
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Material
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Series
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comment
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| 35 bar |
3 mm |
Fluids |
Steel |
Series 225 |
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| |
5 mm (3/16") |
Compressed air |
Brass |
Series 220 |
CEJN Original standard |
| |
5 mm (3/16") |
Breathing air |
Brass |
Series 221 |
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| |
6.2 mm (1/4") |
Fluids |
Brass |
Series 324 |
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6.2 mm (1/4") |
Breathing air |
Brass |
Series 345 |
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6.2 mm (1/4") |
Breathing air |
Brass |
Series 347 |
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7.0 mm (9/32") |
Breathing air |
Stainless steel, AISI 303 |
Series 346 |
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| |
7.4 mm (9/32") |
Fluids |
Brass |
Series 321 |
Available in long version |
| |
7.4 mm (9/32") |
Breathing air |
Brass |
Series 341 |
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| |
7.4 mm (9/32") |
Compressed air |
Steel * |
Series 342 |
Safety lock |
| |
7.4 mm (9/32") |
Breathing air |
Steel * |
Series 342 |
Safety lock |
| |
7.4 mm (9/32") |
Breathing air |
Brass |
Series 344 |
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10.4 mm |
Fluids |
Brass |
Series 411 |
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8.9 mm |
Fluids |
Brass |
Series 414 |
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8.9 mm |
Fluids |
Stainless steel, AISI 316 |
Series 416 |
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14.5 mm |
Fluids |
Brass |
Series 604 |
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14.5 mm |
Fluids |
Stainless steel |
Series 606 |
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19 mm |
Fluids |
Brass |
Series 704 |
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19 mm |
Fluids |
Stainless steel |
Series 706 |
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| 70 bar |
6.2 mm |
Fluids |
Stainless steel, AISI 316 |
Series 326 |
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