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Couplings safety lock Female thread Series 218, 100 MPa G 3/8"
Series 218, 100 MPa
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 allround coupling that works well in most applications, even if it is mainly recommended where large flow rates are required.
| Category | Couplings with safety lock |
| Description Class | Female thread |
| Remark | - |
| Connection | G 3/8" |
| Length | 73.4 mm |
| Diameter | 34.6 mm |
| Hexagon | 30 mm |
| Rec. torque (Nm) | 70-80 Nm |
| Rec. seal. method | T3* |
| Nominal flow diameter | 4.5 mm (0.2") |
| Flow capacity | 15.0 l/min (3.3 GPM UK) |
| Max. working pressure | 100 MPa |
| Min. burst pressure | 280 MPa |
| Temperature range | -30°C — +100°C (-22°F — +212°F) |
| 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.
*CMS= Cejn metal seal (120° cone), T1= rubber metal seal (19 950 0061), T2= rubber metal seal (19 950 0062), T3= rubber metal seal (19 950 0064), T4= high strength rubber metal seal (19 950 0083), W= cupper washer (09 950 4600).
Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards. All measurements are in mm.
Oil Flow
x: Flow l/min. (GPM UK)
y: Pressure drop, MPa
| Category | Couplings with safety lock |
| Description Class | Female thread |
| Remark | - |
| Connection | G 3/8" |
| Length | 73.4 mm |
| Diameter | 34.6 mm |
| Hexagon | 30 mm |
| Rec. torque (Nm) | 70-80 Nm |
| Rec. seal. method | T3* |
| Nominal flow diameter | 4.5 mm (0.2") |
| Flow capacity | 15.0 l/min (3.3 GPM UK) |
| Max. working pressure | 100 MPa |
| Min. burst pressure | 280 MPa |
| Temperature range | -30°C — +100°C (-22°F — +212°F) |
| 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.
*CMS= Cejn metal seal (120° cone), T1= rubber metal seal (19 950 0061), T2= rubber metal seal (19 950 0062), T3= rubber metal seal (19 950 0064), T4= high strength rubber metal seal (19 950 0083), W= cupper washer (09 950 4600).
Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards. All measurements are in mm.
Oil Flow
x: Flow l/min. (GPM UK)
y: Pressure drop, MPa
| Category | Couplings with safety lock |
| Description Class | Female thread |
| Remark | - |
| Connection | G 3/8" |
| Length | 73.4 mm |
| Diameter | 34.6 mm |
| Hexagon | 30 mm |
| Rec. torque (Nm) | 70-80 Nm |
| Rec. seal. method | T3* |
| Nominal flow diameter | 4.5 mm (0.2") |
| Flow capacity | 15.0 l/min (3.3 GPM UK) |
| Max. working pressure | 100 MPa |
| Min. burst pressure | 280 MPa |
| Temperature range | -30°C — +100°C (-22°F — +212°F) |
| 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.
*CMS= Cejn metal seal (120° cone), T1= rubber metal seal (19 950 0061), T2= rubber metal seal (19 950 0062), T3= rubber metal seal (19 950 0064), T4= high strength rubber metal seal (19 950 0083), W= cupper washer (09 950 4600).
Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards. All measurements are in mm.
Oil Flow
x: Flow l/min. (GPM UK)
y: Pressure drop, MPa
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