3L (3/2 way)
Compact 3/2-way push-pull pneumatic valve with spool design, low-friction operation, excellent sealing performance, and reliable manual airflow control.
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Description
The 3L Series Push-Pull Valve is a compact 3/2-way manual pneumatic control valve designed for precise directional control of compressed air systems. Featuring a push-pull spool mechanism, the valve provides reliable switching action, excellent sealing performance, and smooth operation with minimal operating force.
The spool-type design incorporates specially finished internal surfaces that reduce friction and improve low-pressure startup performance. Its lightweight aluminum alloy body combines durability with easy installation, making it suitable for pneumatic cylinders, actuators, machine control panels, and industrial automation equipment.
Designed for maintenance-friendly operation, the 3L Series requires no lubrication under normal operating conditions and supports multiple mounting positions for flexible system integration. Available in port sizes ranging from 1/8″ to 3/8″, the valve offers dependable performance for a wide range of pneumatic control applications.
| Feature | Description |
|---|---|
| Push-Pull Manual Operation | Provides direct and precise manual control with simple push-pull actuation. |
| Spool Valve Design | Ensures excellent sealing performance, reliable switching, and long service life. |
| Low Friction Internal Surface | Special surface finishing reduces friction and improves operating smoothness. |
| Low Pressure Startup | Designed to operate efficiently even at lower air pressure levels. |
| Compact Construction | Small footprint enables installation in confined spaces. |
| Lightweight Design | Aluminum alloy body provides durability while minimizing overall weight. |
| Maintenance Friendly | Simple construction supports easy servicing and repair. |
| Lubrication-Free Operation | No additional lubrication required during standard operation. |
| Flexible Mounting | Supports multiple mounting positions for easier machine integration. |
| Model | 3L110-06 | 3L210-06 | 3L210-08 | 3L310-08 | 3L310-10 |
|---|---|---|---|---|---|
| Fluid | Air (to be filtered by 40 μm filter element) | ||||
| Operating Type | Manual control direct acting type | ||||
| Port Size | 1/8″ | 1/8″ | 1/4″ | 1/4″ | 3/8″ |
| Orifice Size (Cv) | 10.2 mm² (Cv=0.6) | 17.0 mm² (Cv=1.0) | 28.0 mm² (Cv=1.65) | ||
| Valve Type | 3/2 Way | ||||
| Lubrication | Not required | ||||
| Operating Pressure Range | 0 ~ 1.0 MPa (0 ~ 145 psi) | ||||
| Proof Pressure | 1.5 MPa (215 psi) | ||||
| Operating Temperature | -20°C to 70°C | ||||
| Body Material | Aluminum Alloy | ||||
| Thread Options | PT, G and NPT threads available | ||||
| Model | Valve Type | Port Size | Orifice Size | Cv Value |
|---|---|---|---|---|
| 3L110-06 | 3/2 Way | 1/8″ | 10.2 mm² | 0.6 |
| 3L210-06 | 3/2 Way | 1/8″ | 17.0 mm² | 1.0 |
| 3L210-08 | 3/2 Way | 1/4″ | 17.0 mm² | 1.0 |
| 3L310-08 | 3/2 Way | 1/4″ | 28.0 mm² | 1.65 |
| 3L310-10 | 3/2 Way | 3/8″ | 28.0 mm² | 1.65 |
