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 | ΦD1 | ΦD2×3 | B | E | A | R | ΦP×4 | H |
| PKB6-4-01 | 6 | 4 | 72.5 | 19 | 7 | R1/8 | 13 | 12 |
| PKB8-6-01 | 8 | 6 | 82 | 21.5 | 7 | R1/8 | 15 | 14 |
| PKB8-6-02 | 8 | 6 | 83 | 21.5 | 8 | R1/4 | 15 | 14 |
| PKB10-6-03 | 10 | 6 | 95 | 25 | 9 | R3/8 | 18.5 | 17 |
| PKB10-8-03 | 10 | 8 | 95 | 25 | 9 | R3/8 | 18.5 | 17 |
| PKB12-8-04 | 12 | 8 | 109 | 26.5 | 10 | R1/2 | 21 | 21 |
| PKB12-10-04 | 12 | 10 | 109 | 27.5 | 10 | R1/2 | 21 | 21 |
| PKB10-6-02 | 10 | 6 | 94 | 25 | 8 | R1/4 | 18.5 | 17 |
| PKB10-8-02 | 10 | 8 | 94 | 25 | 8 | R1/4 | 18.5 | 17 |
| PKB12-8-03 | 12 | 8 | 107.5 | 26.5 | 9 | R3/8 | 21 | 19 |
| PKB12-10-01 | 12 | 10 | 107.5 | 27.5 | 9 | R3/8 | 21 | 19 |
Key Features
- 5-way multi-branch connection design
- Push-to-connect quick installation
- Male thread central connection
- Compact structure for space-saving layouts
- Durable nickel-plated brass and engineering plastic construction
Applications
- Pneumatic automation systems
- Air distribution manifolds
- Industrial machinery
- Robotics and assembly lines
- Multi-branch air supply systems
Widely used in pneumatic systems requiring multi-direction air distribution, compact piping, and efficient system integration.
Product Structure & Types
- PKB five-way connector (tube → multi-branch + male thread)
- Central threaded port with multiple tube outlets
- Tube sizes: 4mm, 6mm, 8mm, 10mm, 12mm, 16mm
- Thread types: M5, R1/8, R1/4, R3/8, R1/2
- Typical models: PKB4-M5, PKB6-01, PKB8-02, PKB10-03, PKB12-04
Why Choose Our Pneumatic Fittings
- Professional PKB pneumatic fitting supplier with full size range
- OEM / ODM customization for multi-way air fitting manufacturer projects
- Reliable 5 way air distribution connector for automation systems
- High-quality push-to-connect air fitting factory with strict QC system
- Durable multi-branch pneumatic fitting for complex air routing applications
- Fast delivery and global B2B supply support
FAQ
Q1: What is a PKB pneumatic fitting?
It is a 5-way push-to-connect fitting used to distribute compressed air to multiple directions.
Q2: What does a 5 way pneumatic fitting do?
It allows multiple tubes to be connected to one central port, enabling efficient air distribution.
Q3: What tubing can be used with PKB fittings?
They are compatible with PU tube and nylon tube.
Q4: What is the working pressure range?
The typical operating pressure is 0–0.9 MPa with proof pressure up to 1.32 MPa.
Q5: Where are PKB fittings used?
They are used in automation systems, air distribution lines, machinery, and multi-branch pneumatic circuits.
Q6: What is the difference between PD and PKB fittings?
PD fittings are 3-way branch tees, while PKB fittings are 5-way multi-branch connectors for more complex air distribution.
Q7: What sizes are available?
Tube sizes range from 4mm to 16mm with multiple thread options including M5 and BSP.
Q8: Can PKB pneumatic fittings be customized?
Yes, OEM/ODM customization is available for tube size, thread type, materials, and branding.


