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WENK Pneumatic KLCF Series-Union Straight
Product Detail
| Applicable Fluid | Compressed Air. (If liquid please ask for technical support) |
| Proof Pressure | 1.32MPa(13.5kgf/cm²) |
| Max. Working Pressure | 0~0.9MPa(0~9.2kgf/cm²) |
| Vacuum | -99.99~0KPa(-750~0kgf/cm²) |
| Ambient & Fluid Temperature | 0°C~+60°C |
| Applicable Pipe | PU Tube |
| Material | Brass |
KLCF Series Quick Twist Union Straight User Guide

Product Introduction
The KLCF Series Quick Twist Union Straight is a high-quality brass fitting from WENK Pneumatic, designed specifically for pneumatic system connections. Featuring a quick twist mechanism, it enables tool-free installation and is suitable for connecting PU and other plastic tubes. The product offers excellent corrosion resistance and durability, ensuring reliable operation in various industrial environments.

Installation Steps
-
Preparation
- Ensure the installation environment is clean to prevent contaminants from entering the pneumatic system
- Check that the tube is intact, without cracks or scratches
- Select the appropriate size of KLCF Quick Twist Union to match the tube specifications
-
Tube Preparation
- Use a dedicated tube cutter to cut the tube to the required length
- Ensure the tube end is clean and free of burrs or deformation
- If the tube end is uneven, lightly sand it with fine-grit sandpaper
-
Installation Process
- Gently pull back the locking collar on the quick twist union with your fingers or a tool
- Insert the prepared tube into the union's port until it cannot go further
- Release the locking collar, ensuring it automatically resets and locks the tube in place
- Gently pull the tube to confirm it is securely connected
-
Connection Verification
- After installation, perform a pressure test to ensure no leakage at the connection point
- Inspect all connection points to ensure proper installation
Preparation
- Ensure the installation environment is clean to prevent contaminants from entering the pneumatic system
- Check that the tube is intact, without cracks or scratches
- Select the appropriate size of KLCF Quick Twist Union to match the tube specifications
Tube Preparation
- Use a dedicated tube cutter to cut the tube to the required length
- Ensure the tube end is clean and free of burrs or deformation
- If the tube end is uneven, lightly sand it with fine-grit sandpaper
Installation Process
- Gently pull back the locking collar on the quick twist union with your fingers or a tool
- Insert the prepared tube into the union's port until it cannot go further
- Release the locking collar, ensuring it automatically resets and locks the tube in place
- Gently pull the tube to confirm it is securely connected
Connection Verification
- After installation, perform a pressure test to ensure no leakage at the connection point
- Inspect all connection points to ensure proper installation

Usage Precautions
-
Operating Environment
- Avoid using the product outside the specified temperature and pressure ranges
- Not suitable for highly corrosive fluid environments unless specifically stated
- Avoid prolonged exposure to direct sunlight and high-temperature environments
-
Maintenance
- Regularly inspect connection points to ensure no loosening or leakage
- Keep the product clean to prevent dust and debris accumulation
- If damage or abnormalities are found, replace the product promptly
-
Safety Instructions
- Ensure the system is depressurized before installation
- Avoid excessive bending or stretching of connected tubes
- Do not disassemble or modify the product arbitrarily
Operating Environment
- Avoid using the product outside the specified temperature and pressure ranges
- Not suitable for highly corrosive fluid environments unless specifically stated
- Avoid prolonged exposure to direct sunlight and high-temperature environments
Maintenance
- Regularly inspect connection points to ensure no loosening or leakage
- Keep the product clean to prevent dust and debris accumulation
- If damage or abnormalities are found, replace the product promptly
Safety Instructions
- Ensure the system is depressurized before installation
- Avoid excessive bending or stretching of connected tubes
- Do not disassemble or modify the product arbitrarily

Troubleshooting
-
Leakage Issues
- Check if the tube is fully inserted into the port
- Confirm the locking collar has properly reset
- Inspect the tube for damage or uneven cutting
- If the problem persists, replace the quick twist union
-
Loose Connection
- Verify that the tube specification matches the quick twist union
- Check if the locking collar is damaged
- Reinstall, ensuring the tube is fully inserted
-
Restricted Airflow
- Check for contaminants blocking the flow path
- Ensure the tube is not bent or flattened
- Verify that the system pressure is within the specified range
Leakage Issues
- Check if the tube is fully inserted into the port
- Confirm the locking collar has properly reset
- Inspect the tube for damage or uneven cutting
- If the problem persists, replace the quick twist union
Loose Connection
- Verify that the tube specification matches the quick twist union
- Check if the locking collar is damaged
- Reinstall, ensuring the tube is fully inserted
Restricted Airflow
- Check for contaminants blocking the flow path
- Ensure the tube is not bent or flattened
- Verify that the system pressure is within the specified range

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.












