Key Features
✓ Pneumatic Speed Controller Union
✓ Precision Airflow Regulation
✓ Integrated Needle Flow Control
✓ Adjustable Inlet or Exhaust Flow
✓ Cylinder & Actuator Speed Control
✓ One-Touch Push-In Connections
✓ 4mm to 12mm Tube Sizes
✓ Nylon & Polyurethane Tubing
✓ Operating Pressure 0–10 Bar
✓ Maximum Pressure 15 Bar
✓ Vacuum Rated to -1 Bar
✓ Temperature -20°C to +70°C
✓ Lightweight PA66 Body
✓ NBR Sealing Rings
✓ Stainless Steel Lock Claws
✓ Durable POM Sleeve & Lock Ring
✓ Zinc Alloy Release Collet
✓ Secure Tube Retention
✓ Fine & Repeatable Adjustment
✓ Smooth Cylinder Motion Control
✓ Pneumatic & Vacuum Systems
✓ Automation & Process Control
Description
Air Line Speed Controller Union Push-to-Connect Fittings – GSU Series
Advanced Pneumatic One-Touch Flow Control Connectors
The GSU Series of Air Line Speed Controller Union Push-to-Connect Fittings provides precise airflow regulation for Nylon and Polyurethane tubing in pneumatic and vacuum systems.
Designed with a one-touch push-fit connection, these fittings allow instant tube installation and removal, delivering accurate and repeatable flow control for cylinders, actuators, and motion-control circuits.
Available in metric tube sizes 4 mm, 6 mm, 8 mm, 10 mm and 12 mm, the GSU range combines precision flow adjustment with easy, tool-free installation.
Durable & Lightweight Construction
Each fitting features a PA66 body with NBR sealing rings, stainless-steel lock claws, and a POM sleeve + lock ring for smooth, long-lasting performance.
The integrated needle-type flow controller allows fine adjustment of exhaust or inlet air, ensuring smooth cylinder movement and reliable system tuning.
A zinc-alloy collet provides a secure, vibration-resistant tube grip with effortless release when required.
Technical Performance
Operating pressure: 0 to 10 bar (0–150 PSI)
Maximum pressure: 15 bar (217 PSI)
Vacuum rating: –1 bar (–100 kPa / –29.5 in Hg)
Temperature range: –20 °C to +70 °C (–4 °F to +150 °F)
Compatible tubing: Polyurethane and Nylon
Materials: PA66, NBR, POM, Zinc Alloy, Stainless Steel
Applications
Ideal for:
Cylinder and actuator speed control
Directional air flow adjustment
Automation and process control systems
Vacuum and pneumatic test equipment
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