Specification Parameters
| Operating Fluid | Air |
| Type | Pneumatic Fittings |
| Proof Pressure | 1.32 MPa (13.5 kgf/cm²) |
| Max. Operating Pressure | 0~0.9 MPa (0~9.2 kgf/cm²) |
| Ambient & Fluid Temperature | 0~60°C |
| Applicable Tubing | PU Tube, Nylon Tube |

| Model | ΦD | E | B | ΦP | A | R | H |
| SL4-M5 | 4 | 20.5 | 29 | 11 | 3.8 | M5 | 8 |
| SL4-01 | 4 | 24 | 37 | 13 | 7.5 | R1/8 | 11 |
| SL4-02 | 4 | 25 | 39 | 13 | 9.5 | R1/4 | 15 |
| SL6-M5 | 6 | 22.5 | 29 | 13 | 3.8 | M5 | 8 |
| SL6-01 | 6 | 24 | 37 | 13 | 7.5 | R1/8 | 11 |
| SL6-02 | 6 | 25.5 | 39 | 13 | 9.5 | R1/4 | 15 |
| SL6-03 | 6 | 29.5 | 46 | 13 | 10 | R3/8 | 19 |
| SL6-04 | 6 | 31 | 50 | 13 | 11 | R1/2 | 22 |
| SL8-01 | 8 | 26 | 37 | 15 | 7.5 | R1/8 | 11 |
| SL8-02 | 8 | 28 | 39 | 15 | 9.5 | R1/4 | 15 |
| SL8-03 | 8 | 30 | 46 | 15 | 10 | R3/8 | 19 |
| SL8-04 | 8 | 32 | 50 | 15 | 11 | R1/2 | 22 |
| SL10-01 | 10 | 31 | 37 | 21 | 7.5 | R1/8 | 11 |
| SL10-02 | 10 | 31.5 | 39 | 18.5 | 9.5 | R1/4 | 15 |
| SL10-03 | 10 | 33 | 46 | 18.5 | 10 | R3/8 | 19 |
| SL10-04 | 10 | 35 | 50 | 21 | 11 | R1/2 | 22 |
| SL12-01 | 12 | 31 | 37 | 21 | 7.5 | R1/8 | 11 |
| SL12-02 | 12 | 33 | 39 | 21 | 9.5 | R1/4 | 15 |
| SL12-03 | 12 | 33.5 | 46 | 21 | 10 | R3/8 | 19 |
| SL12-04 | 12 | 35 | 50 | 21 | 11 | R1/2 | 22 |
Color Options:
Key Features
- Adjustable airflow regulation for precise speed control
- 90° elbow (L type) structure for compact installation
- Push-to-connect quick tube connection
- Stable and repeatable flow adjustment performance
- Suitable for PU tube and nylon tube
Applications
- Pneumatic cylinder speed control
- Industrial automation systems
- Robotics and assembly lines
- Packaging equipment
- Air control systems
Widely used in pneumatic systems requiring precise airflow control, motion stability, and compact installation layout.
Product Structure & Types
- SL elbow speed control valve (tube → male thread 90°)
- Built-in adjustable needle valve mechanism
- Tube sizes: 4mm, 6mm, 8mm, 10mm, 12mm
- Thread types: M5, R1/8, R1/4, R3/8, R1/2
- Common models: SL4-M5, SL6-01, SL8-02, SL10-03, SL12-04
Why Choose Our Pneumatic Valves
- Professional SL pneumatic throttle valve supplier with full size range
- OEM / ODM customization for speed control valve manufacturer projects
- Reliable 90 degree elbow air flow control valve for automation systems
- High-quality push-to-connect pneumatic valve factory with strict QC system
- Durable L type throttle valve for precise airflow regulation applications
- Fast delivery and global B2B supply support
FAQ
Q1: What is an SL pneumatic throttle valve?
It is a 90 degree elbow speed control valve used to regulate airflow and control pneumatic cylinder speed.
Q2: What does a speed control valve do?
It adjusts the airflow rate, which directly controls the speed of pneumatic actuators.
Q3: Why use a 90 degree elbow throttle valve?
It allows both airflow control and directional change, making it ideal for compact installations.
Q4: What does “L type” mean in pneumatic valves?
It refers to the 90-degree elbow structure of the valve.
Q5: What tubing is compatible with SL valves?
They are compatible with PU tube and nylon tube.
Q6: What sizes are available?
Tube sizes range from 4mm to 12mm with multiple thread options such as M5, BSP, and NPT.
Q7: Where are SL speed control valves used?
They are widely used in automation systems, cylinder control, industrial machinery, and air circuits.
Q8: Can SL valves be customized?
Yes, OEM/ODM customization is available for thread type, tube size, adjustment range, and branding.





