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Product Description
1. Connect and Disconnect Under Pressure
No need to release system pressure, saving time during maintenance or setup.
2. Designed for Frequent Use
Built for durability in repetitive connect/disconnect operations, perfect for plant automation.
3. Safe and Leak-Proof
Reliable sealing ensures safety and prevents air leakage in industrial environments.
4. Versatile Compatibility
Available in G1/8 to G1/2 threads; supports plastic tubes (6/4 to 10/8) and rubber hoses (6×14 to 13×23).
5. Efficiency-Boosting Design
Streamlines system maintenance and improves automation workflow.
Applications
Used in pneumatic tools, packaging machines, automated assembly lines, and industrial maintenance systems.
Product Specifications
| Model | Specifiction |
| Working medium | compressed air and other low pressure fluids |
| Working temperature | 0℃ to 80℃ (with dry air-20℃) |
| Working pressure | -0.99 to 12 bar |
| Nominal pressure | 6 bar |
| Nominal diameter | 5 or 7 mm |
| Valve group | quick release valve |
| Construction | poppet type |
| Mounting | threaded |
| Thread | GAS cylindrical ISO 228 (BSP) |
| Materials | nickel-plated brass (hardened galvanized steel only for couplings with an "8"as third number in the code) - NBR seals |
| Connections | G1/8 - G1/4 - G3/8 - G1/2 for plastic tubes and rubber hose |
Main Dimensions
| Model | A1 | Φ | D | H | L | M | SW | Weight(g) |
| 5051 1/8 | G1/8 | 5051 1/8 | 17 | 6 | 35 | 20.5 | 14 | 28 |
| 5051 1/4 | G1/4 | 5051 1/4 | 17 | 8 | 37 | 20.5 | 17 | 37 |
| 5081 1/4 | G1/4 | 5081 1/4 | 25 | 8 | 47.5 | 34.5 | 22 | 93 |
| 5081 3/8 | G3/8 | 5081 3/8 | 25 | 9 | 48.5 | 34.5 | 22 | 92 |
| 5081 1/2 | G1/2 | 5081 1/2 | 25 | 10 | 49.5 | 34.5 | 24 | 107 |
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