Cejn 218 Series Hydraulic Couplers & Fittings
Specialised Force is the authorised Australian Distributors for the Cejn range of high-pressure hydraulic couplers (also known as snap couplings or quick disconnect couplings) and hydraulic fittings.
The Series 218 is a CEJN original that, despite very small outside dimensions, gives an extremely high flow. Both the patented sealing design and non-drip connection and disconnection are standard on CEJN’s High-Pressure range. The coupling also has a safety ring for the locking sleeve to prevent accidental disconnection. Plastic dust caps are standard on both coupling and nipple. The series is an all-round coupling that works well in most applications, even if it is mainly recommended where large flow rates are required.
Technical Data
| Nominal Flow Diameter | 4.5mm |
| Flow Capacity | 15.0L/min |
| Max. Working Pressure | 1000 bar |
| Min. Burst Pressure | 2800 bar |
| Temperature Range | -30°C to +100°C |
| Material Coupling | Hardened, zinc chromate plated steel |
| Material Nipple | Hardened, zinc chromate plated steel |
| Material Seal | Nitrile (NBR) other sealing materials on request |
Flow capacity is measured at 0.4 MPa pressure drop.
Specifications
| Couplings with Safety Lock | Part No. | Connection | Length | Diameter | Hexagon | Rec. Torque | Rec. Seal. Method |
| Female Thread | 10 218 1234 | G 3/8" | 73.4mm | 34.6mm | 30mm | 70-80 Nm | T3* |
| 10 218 1434 | 3/8" NPT | 73.4mm | 34.6mm | 30mm | 70-80 Nm | - | |
| Nipples | Part No. | Connection | Length | Diameter | Hexagon | Rec. Torque | Rec. Seal. Method |
| Female Thread | 10 218 6204 | G 3/8" | 50.5mm | 27.7mm | 24mm | 70-80 Nm | T3* |
| 10 218 6404 | 3/8" NPT | 49mm | 27.7mm | 24mm | 40-50 Nm | - |
*T3= rubber metal seal (19 950 0064).