Specification Parameters
| Parameter | Details |
|---|---|
| Product Type | Pneumatic Fittings |
| Structure | 5 Way Reducing (Multi-Branch) |
| Connection | Tube to Thread |
| Thread Type | G / NPT / R |
| Material | Nickel-Plated Brass |
| Operating Fluid | Air / Vacuum |
| Working Pressure | 0 – 1.0 MPa |
| Max Pressure | 1.5 MPa |
| Temperature Range | 0 – 60°C |
| Applicable Tubing | PU / Nylon Tube |

| Model | ΦD×4 | B | E | ΦP×4 | A | R | H |
| PKD4-M5 | 4 | 61.5 | 17.5 | 11 | 3.5 | M5 | 10 |
| PKD4-01 | 4 | 65 | 17.5 | 11 | 7 | R1/8 | 10 |
| PKD4-02 | 4 | 66 | 17.5 | 11 | 8 | R1/4 | 14 |
| PKD6-M5 | 6 | 69 | 19.5 | 13 | 3.5 | M5 | 12 |
| PKD6-01 | 6 | 72.5 | 19.5 | 13 | 7 | R1/8 | 12 |
| PKD6-02 | 6 | 73.5 | 19.5 | 13 | 8 | R1/4 | 14 |
| PKD6-03 | 6 | 74.5 | 19.5 | 13 | 9 | R3/8 | 17 |
| PKD6-04 | 6 | 76 | 19.5 | 13 | 10 | R1/2 | 21 |
| PKD8-01 | 8 | 82 | 22.5 | 15 | 7 | R1/8 | 14 |
| PKD8-02 | 8 | 83 | 22.5 | 15 | 8 | R1/4 | 14 |
| PKD8-03 | 8 | 84 | 22.5 | 15 | 9 | R3/8 | 17 |
| PKD8-04 | 8 | 85.5 | 22.5 | 15 | 10 | R1/2 | 21 |
| PKD10-01 | 10 | 93 | 24.5 | 18.5 | 7 | R1/8 | 17 |
| PKD10-02 | 10 | 94 | 24.5 | 18.5 | 8 | R1/4 | 17 |
| PKD10-03 | 10 | 95 | 24.5 | 18.5 | 9 | R3/8 | 17 |
| PKD10-04 | 10 | 96.5 | 24.5 | 18.5 | 10 | R1/2 | 21 |
| PKD12-01 | 12 | 105.5 | 27.5 | 21 | 7 | R1/8 | 19 |
| PKD12-02 | 12 | 106.5 | 27.5 | 21 | 8 | R1/4 | 19 |
| PKD12-03 | 12 | 107.5 | 27.5 | 21 | 9 | R3/8 | 19 |
| PKD12-04 | 12 | 109 | 27.5 | 21 | 10 | R1/2 | 21 |
Explore Our Brass Series:
Key Features
- 5-way multi-direction airflow distribution
- Reducing structure for different tube sizes
- Nickel-plated brass for corrosion resistance
- High strength and long service life
- Push-to-connect quick installation
Applications
- Pneumatic automation systems
- Air distribution manifolds
- Industrial machinery
- Multi-output air systems
- Compact piping layouts
Widely used in pneumatic systems requiring multi-branch airflow distribution, size reduction, and durable metal fittings.
Product Function
PKD fittings are designed to distribute compressed air into multiple directions while reducing tube size, enabling compact and efficient pneumatic system design.
Compared to standard 5-way fittings (PKB), PKD provides reducing capability, allowing flexible connection between different tubing sizes and simplifying system layouts.
Product Structure & Size Range
- PKD6-4 / PKD8-6 / PKD10-8 / PKD12-10
- Tube sizes: 4mm → 16mm
- Thread sizes: M5, R1/8, R1/4, R3/8, R1/2
- Five-way + reducing structure
Why Choose Our Pneumatic Fittings
- Professional PKD pneumatic fitting manufacturer
- OEM / ODM customization for nickel plated brass reducing fittings
- Reliable multi-branch air distribution connector
- High-quality corrosion-resistant metal fittings
- Durable push-to-connect fittings for industrial use
- Fast delivery and global B2B supply support
FAQ
Q1: What is a PKD pneumatic fitting?
It is a nickel-plated brass 5 way reducing fitting used for airflow distribution and tube size conversion.
Q2: What is a 5 way reducing fitting used for?
It distributes air into multiple lines while connecting different tube sizes.
Q3: What is the advantage of nickel-plated brass fittings?
They provide corrosion resistance, durability, and longer service life.
Q4: What tubing is compatible with PKD fittings?
PKD fittings are suitable for PU and nylon tubing.
Q5: Can PKD fittings be customized?
Yes, OEM/ODM customization is available for size combinations and thread types.
CTA
Looking for reliable nickel-plated brass pneumatic 5 way reducing fittings?
Contact us now for OEM/ODM solutions, bulk pricing, and fast delivery.



