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×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 |
Key Features
- Five-way multi-branch distribution with thread connection
- Push-to-connect quick installation
- Integrated size reduction (unequal diameters)
- Threaded port for secure mounting
- Suitable for PU and nylon tubing
Applications
- Pneumatic control panels
- Industrial automation systems
- Air distribution manifolds
- Machinery equipment
- Multi-output compressed air systems
Widely used in pneumatic systems requiring fixed threaded installation combined with multi-branch airflow distribution and tube size conversion.
Product Function
PKD fittings are designed to distribute compressed air into multiple directions while providing a threaded mounting interface, enabling stable installation and efficient airflow routing.
Compared to PKG fittings, PKD adds a threaded port for equipment connection, improving system stability and integration.
👉 One-touch fittings allow quick tube insertion and flexible pneumatic piping design
Product Structure & Size Range
- PKD8-6 / PKD10-8 / PKD12-10
- Tube sizes: 4mm → 16mm
- Thread sizes: R1/8, R1/4, R3/8, R1/2
- Multi-branch + threaded structure
Why Choose Our Pneumatic Fittings
- Professional PKD pneumatic fitting manufacturer with full threaded reducer range
- OEM / ODM customization for threaded multi-way push to connect fitting projects
- Reliable pneumatic air distributor for automation and compressed air systems
- High-quality air fitting factory China with strict QC system
- Durable threaded multi-branch reducer fitting for complex air systems
- Fast delivery and global B2B supply support
FAQ
Q1: What is a PKD pneumatic fitting?
It is a threaded five-way reducing push-to-connect fitting used for airflow distribution and tube size conversion.
Q2: What is the advantage of a threaded pneumatic fitting?
It provides secure installation and stable connection to equipment or manifolds.
Q3: What is the difference between PKG and PKD fittings?
PKG is a five-way reducer, while PKD adds a threaded port for fixed installation.
Q4: What tubing is compatible with PKD fittings?
PKD fittings are suitable for PU tube and nylon tube.
Q5: Can PKD fittings be customized?
Yes, OEM/ODM customization is available for thread type, tube size, and materials.
CTA
Looking for reliable pneumatic threaded multi-way fittings for your system?
Contact us now for OEM/ODM solutions, bulk pricing, and fast delivery.
