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Series 181 – Oxygen
- Automatic safety locking feature
- Double seal function for extra safety
- Cross connection between series is impossible
Series 181 is specially designed for gas applications with a high flow valve. Like most other CEJN couplings, this series offers one-hand-operated connection, an integrated safety feature that prevents unintentional disconnection and a color coded (blue) locking sleeve and nipple. Couplings and nipples with female thread connection features an internal sealing cone. The part number for dust caps are 09 171 1000 for couplings and 09 171 1050 for nipples.
- Conversion factors for the flow from air to other gases:
- Acetylene = Air flow x 1,05
- Oxygen gas = Air flow x 0,95
- Nitrogen = Air flow x 1,02
- Lp-gas = Air flow x 0,81
- Town gas = Air flow x 1,49
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Technical data:
| Coupling | Part No. | Connection |
| 10 181 1021 | 5 mm (3/16″) | |
| 10 181 1022 | 6.3 mm (1/4″) | |
| 10 181 1023 | 8 mm (5/16″) | |
| 10 181 1024 | 10 mm (3/8″) | |
| 10 181 1234 | G 3/8″, right-hand thread | |
| Nipple | Part No. | Connection |
| 10 181 5001 | 5 mm (3/16″) | |
| 10 181 5002 | 6.3 mm (1/4″) | |
| 10 181 5003 | 8 mm (5/16″) | |
| 10 181 5004 | 10 mm (3/8″) | |
| 10 181 5224 | G 3/8″, right-hand thread | |