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Series 665, DN16 Steel
- Flat-Face design
- One-hand operated
- Extra security locking
CEJN Series 665 is a Flat-Face quick-connect coupling according to and exceeding the ISO 16028 Standard for low- and medium-pressure hydraulic applications. The Flat-Face design minimizes spillage during connection and disconnection. Series 665 couplings require only one hand for operation, making connection and disconnection fast and easy. Dust caps are available as accessories for both the coupling and nipple when disconnected to prevent dust and debris from entering the system. Series 665 couplings feature manual security locking as added protection against involuntary disconnection.
The couplings and nipples are also available in other sizes; DN 5 (Series 165), DN 6.3 (Series 265), DN 10 (Series 365), DN 12.5 (Series 565), DN 19 (Series 765), DN 25 (Series 065). Nipples with pressure eliminator available under Series 664.
Technical data
Temperature range: -30°C — +100°C (-22°F — +212°F)
Material coupling: Steel (zinc passivation)
Material nipple: Hardened steel (zinc passivation)
Material seal: Nitrile (NBR/PUR, other sealing materials on request)
Max. working pressure connected: 400 bar (5801 PSI)
Max. working pressure disconnected: 400 bar (5801 PSI)
Min. burst pressure connected: 1200 bar (17404 PSI)
Min. burst pressure disconnected: 1200 bar (17404 PSI)
Connectability: Only limited by operator strength
Disconnection under pressure: Not allowed
Interchangeable with: All brands dimensionally interchanging with ISO16028
Flow: 135 l/min
Rated flow is measured at 4 bar pressure drop.
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Technical data:
| Couplings | Part No. | Connection | Length | Diameter | Hexagon | Seal |
| Female thread | 10 665 1101 | Rc 3/4″ (BSPT) | 79.8 | 41.2 | 36 | NBR |
| 10 665 1201 | G 3/4″ (BSP) | 79.8 | 41.2 | 36 | NBR | |
| 10 665 1211 | G 3/4″ | 79.8 | 41.2 | 36 | FPM | |
| 10 665 1401 | 3/4″ NPT | 79.8 | 41.2 | 36 | NBR | |
| 10 665 1601 | 1 1/16″-12 UN (3/4″ SAE) | 79.9 | 41.2 | 38 | NBR | |
| Male thread | 10 665 1551 | M26x1.5 18L | 80.9 | 41.2 | 36 | NBR |
| 10 665 1752 | 1″-14 ORFS bulkhead | 109.9 | 41.2 | 36 | NBR | |
| Coupling for Panel mounting | Part No. | Connection | Length | Diameter | Hexagon | Seal |
| Female thread | 10 665 1281 | G 3/4″ (BSP) | 79.8 | 41.2 | 36 | NBR |
| Nipples | Part No. | Connection | Length | Diameter | Hexagon | Seal |
| Female thread | 10 665 6201 | G 3/4″ (BSP) | 74.9 | 39.2 | 36 | PUR |
| 10 665 6211 | G 3/4″ | 74.9 | 39.2 | 36 | FPM | |
| 10 665 6401 | 3/4″ NPT | 74.9 | 39.2 | 36 | PUR | |
| 10 665 6601 | 1 1/16″-12 UN (3/4″ SAE) | 75 | 41 | 38 | NBR | |
| 10 665 6101 | Rc 3/4″ (BSPT) | 74.9 | 40 | 36 | PUR | |
| Male thread | 10 665 6551 | M26x1.5 18L | 76 | 40 | 36 | PUR |
| 10 665 6752 | 1″-14 ORFS bulkhead | 105 | 40.5 | 36 | PUR | |