Specifications
| Parameter | Details |
|---|---|
| Product Type | Pneumatic Fittings |
| Structure | Threaded Five-Way Reducer |
| Connection | Tube to Thread / Tube to Tube |
| Branch Type | Five-Way Air Distribution |
| Installation | Push-to-Connect + Threaded Mounting |
| Material | Engineering Plastic / Metal Thread |
| Operating Fluid | Air |
| Working Pressure | 0 – 1.0 MPa |
| Temperature Range | 0 – 60°C |
| Applicable Tubing | PU / Nylon Tube |
Threaded five-way reducer fittings provide compact multi-line air distribution and tube size conversion for pneumatic systems.

| Model | ØD1×2 | ØD2 × 3 | A | E | ØP × 5 |
| PKG6-4 | 6 | 4 | 66 | 19 | 13 |
| PKG8-4 | 8 | 4 | 75 | 21 | 15 |
| PKG8-6 | 8 | 6 | 75 | 21.5 | 15 |
| PKG10-6 | 10 | 6 | 87 | 25 | 18.5 |
| PKG10-8 | 10 | 8 | 87 | 25 | 18.5 |
| PKG12-8 | 12 | 8 | 99.5 | 26.5 | 21 |
| PKG12-10 | 12 | 10 | 99.5 | 27.5 | 21 |
Color options available:
Key Features
- Five-way multi-branch connection design
- Reducer structure for different tube sizes
- Threaded mounting for stable installation
- Push-to-connect tube ports for quick assembly
- Compact structure for saving piping space
- Suitable for pneumatic air distribution systems
Applications
Pneumatic control systems
Used for multi-branch air distribution and compact tube connection.
Industrial automation equipment
Suitable for connecting multiple pneumatic lines in automation systems.
Air distribution systems
Helps distribute one air source into multiple air paths.
Machinery equipment
Supports organized pneumatic tube routing and size conversion.
Panel and manifold connections
Ideal for threaded mounting with multiple tube outlets.
Product Function
PKD pneumatic fittings are used to distribute air through multiple tube branches while supporting tube size reduction.
They help reduce the number of separate fittings required, simplify pneumatic circuit layouts, and improve installation efficiency in compact equipment.
Compared with standard five-way fittings, PKD adds reducer functionality, making it more suitable for systems where different tube sizes need to be connected together.
Product Structure & Size Range
- Models: PKD series
- Structure: Threaded five-way reducer
- Connection: Threaded port + multiple tube ports
- Tube sizes: Common pneumatic tube sizes
- Suitable tubing: PU / Nylon Tube
- Compact multi-branch design
Why Choose Our Pneumatic Fittings
- Professional PKD pneumatic fitting manufacturer
- OEM / ODM customization for threaded five-way reducer fittings
- Reliable pneumatic five-way connector for air distribution systems
- Reducer design for mixed tube size connections
- Compact structure for saving installation space
- Fast delivery and global B2B supply support
FAQ
Q1: What is a PKD pneumatic fitting?
It is a threaded five-way reducer pneumatic fitting used for multi-branch air distribution and tube size conversion.
Q2: What is a five-way pneumatic fitting used for?
It is used to connect multiple air lines and distribute compressed air through several tube branches.
Q3: What does reducer mean in PKD fittings?
Reducer means the fitting can connect different tube sizes in one pneumatic circuit.
Q4: What is the advantage of threaded five-way design?
The threaded design provides stable mounting while the five-way structure supports multiple air outlets.
Q5: What tubing is compatible with PKD fittings?
PKD fittings are suitable for PU tubing and nylon tubing.
Q6: Can PKD fittings be customized?
Yes, OEM/ODM customization is available for tube size, thread type, material, and branding.
CTA
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Contact us today for OEM/ODM solutions, bulk pricing, and fast delivery.





