Specifications
| Parameter | Details |
|---|---|
| Product Type | Pneumatic Fittings |
| Model | KL-PG |
| Structure | Straight Reducing Union |
| Connection | Tube to Tube (Different Sizes) |
| Installation | Quick-Tight |
| Material | Nickel-Plated Brass |
| Operating Fluid | Air |
| Working Pressure | 0 – 1.0 MPa |
| Temperature Range | 0 – 60°C |
| Applicable Tubing | PU / Nylon Tube |
Reducing union pneumatic fittings provide efficient tube size conversion and stable air transmission.

Model: Model: (Example KL-PG6-4)
| 6-4 |
| 8-6 |
| 10-8 |
| 12-10 |
| 14-12 |
| 16-14 |
Key Features
Quick-tight installation design
Straight reducing union structure
Supports different tube size connection
Nickel-plated brass for corrosion resistance
Compact inline airflow design
Stable and leak-resistant sealing
Applications
Pneumatic control systems
Used for connecting tubes with different diameters
Industrial automation equipment
Supports flexible system design and size transitions
Air distribution systems
Enables smooth airflow between different tube sizes
Machinery equipment piping
Ideal for system upgrades and retrofits
Maintenance and repair scenarios
Allows quick tube size conversion
Product Function
KL-PG fittings are designed to connect pneumatic tubes of different sizes, enabling smooth airflow transitions without additional adapters.
Compared to standard union fittings (KL-PU), KL-PG provides size conversion capability, simplifying piping systems and reducing component count.
Product Structure & Size Range
KL-PG4-6 / 6-8 / 8-10 / 10-12
Tube size combinations: 4mm → 12mm
Straight reducing structure
Quick-tight locking mechanism
Compact inline design
Why Choose Our Pneumatic Fittings
Professional KL series pneumatic fitting manufacturer
OEM / ODM customization for reducing union fittings
Efficient tube size conversion solution
Reliable nickel plated brass pneumatic connectors
Durable fittings for industrial environments
Fast delivery and global B2B supply support
FAQ
Q1: What is a KL-PG pneumatic fitting?
It is a reducing union quick-tight pneumatic fitting used to connect tubes of different sizes.
Q2: What is a reducing pneumatic fitting used for?
It allows connection between tubes with different diameters.
Q3: What is the difference between KL-PU and KL-PG?
KL-PU connects same-size tubes, while KL-PG connects different-size tubes.
Q4: What tubing is compatible with KL-PG fittings?
KL-PG fittings are suitable for PU tubing and nylon tubing.
Q5: Can KL-PG fittings be customized?
Yes, OEM and ODM customization is available for size combinations.
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