CEJN has expanded its High-Pressure quick connect coupling range with new High-Flow Series hydraulic couplings. The new CEJN Flat-Face couplings are small in size but mighty in performance, making them particularly suitable for hydraulic tools with high-flow requirements
| Category | Couplings |
| Description Class | Female thread |
| Remark | - |
| Connection | NPT 1/4" |
| Length | 72.8 mm |
| Diameter | 31 mm |
| Hexagon | 24 mm |
| Rec. torque (Nm) | 50-60 Nm |
| Rec. seal. method | - |
| Nominal flow diameter | 4 mm (0.2") |
| Flow capacity | 11 l/min (2.4 GPM UK) |
| Max. working pressure | 80 MPa |
| Min. burst pressure | 240 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 | NBR |
Flow capacity measured at 0.4 MPa pressure drop.
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 |
| Description Class | Female thread |
| Remark | - |
| Connection | NPT 1/4" |
| Length | 72.8 mm |
| Diameter | 31 mm |
| Hexagon | 24 mm |
| Rec. torque (Nm) | 50-60 Nm |
| Rec. seal. method | - |
| Nominal flow diameter | 4 mm (0.2") |
| Flow capacity | 11 l/min (2.4 GPM UK) |
| Max. working pressure | 80 MPa |
| Min. burst pressure | 240 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 | NBR |
Flow capacity measured at 0.4 MPa pressure drop.
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 |
| Description Class | Female thread |
| Remark | - |
| Connection | NPT 1/4" |
| Length | 72.8 mm |
| Diameter | 31 mm |
| Hexagon | 24 mm |
| Rec. torque (Nm) | 50-60 Nm |
| Rec. seal. method | - |
| Nominal flow diameter | 4 mm (0.2") |
| Flow capacity | 11 l/min (2.4 GPM UK) |
| Max. working pressure | 80 MPa |
| Min. burst pressure | 240 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 | NBR |
Flow capacity measured at 0.4 MPa pressure drop.
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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