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WENK Pneumatic PU Series Stainless Steel Straight Union Straight
Product Detail
Working Media |
Cleaned Air |
Working Pressure |
0.1~3Mpa |
Proof Pressure |
3Mpa |
Working Temperature Range |
-30℃~200℃ |
Applicable Pipe |
PU tube |
Body Material |
Stainless Steel |
PU Series Stainless Steel Union Straight User Guide

Product Introduction
The PU Series Stainless Steel Union Straight from WENK Pneumatic is a high-quality stainless steel pneumatic pipe connector designed specifically for pneumatic systems requiring straight-line connections. This product features push-in ports on both ends, capable of connecting PU tubes to achieve straight-line extension or connection in pneumatic pipelines.

Product Features
- Constructed from stainless steel for excellent corrosion and high-temperature resistance
- Push-in ports on both ends for connecting PU tubes
- Push-in connection for easy installation and disassembly
- Available in multiple sizes (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm)
- Suitable for compressed air systems
- Electropolished surface treatment for an attractive finish

Installation Steps
-
Preparation
- Confirm that the PU Series Stainless Steel Union Straight size matches the tube size
- Prepare the required size of PU tube and appropriate tools
- Ensure the work area is clean and free of debris
-
Installation Process
- Cut the end of the PU tube straight, ensuring a perpendicular cut
- Push the PU tube into one end of the union straight; a "click" sound indicates proper installation
- Repeat the above steps to install the tube on the other end
- To disassemble a tube, press the release sleeve on the push-in port and pull out the tube
-
Installation Check
- Check for air leakage at all connection points
- Gently pull each tube to confirm secure connections
- Ensure the entire connection system is stable and reliable
Preparation
- Confirm that the PU Series Stainless Steel Union Straight size matches the tube size
- Prepare the required size of PU tube and appropriate tools
- Ensure the work area is clean and free of debris
Installation Process
- Cut the end of the PU tube straight, ensuring a perpendicular cut
- Push the PU tube into one end of the union straight; a "click" sound indicates proper installation
- Repeat the above steps to install the tube on the other end
- To disassemble a tube, press the release sleeve on the push-in port and pull out the tube
Installation Check
- Check for air leakage at all connection points
- Gently pull each tube to confirm secure connections
- Ensure the entire connection system is stable and reliable

Maintenance
- Regularly inspect the connector and tube connections to ensure no air leakage
- Keep the connector clean to prevent dust and debris from entering
- Replace the connector promptly if any damage or aging is detected
- Avoid excessive bending or stretching of the connected tubes

Troubleshooting
-
Tube cannot be inserted: Check if the tube is damaged or deformed; confirm the tube size matches the connector
-
Air leakage at connection: Verify that the tube is fully inserted; check if the tube has cracks or damage
-
Insufficient flow: Check for tube blockage; confirm if the connector size is suitable for system requirements
Our Commitments & Core Advantages
1. We are a factory specializing in the production of pneumatic components, with mature manufacturing experience and technology.
2. We manufacture and supply a wide range of series and specifications of air cylinders and pneumatic components, providing you with flexible options.
3. We can undertake the customization business of various pneumatic components according to the specific needs of customers.
We adhere to the service concept of efficiency and thoughtfulness, making you feel comfortable throughout the cooperation process, just as smooth as cooperating with a close friend.











