Match the hose OD (outer diameter) to the push-in port size — for example, a 6mm OD tube goes into a 6mm push-in fitting. Then match the thread end to your valve, manifold, or equipment port: 1/8" is typically used on small solenoid valves; 1/4" is the most common general-purpose size; 3/8" suits higher-flow applications. When in doubt, measure your port with a thread gauge or caliper before ordering.

These push-in fittings are available for 4mm (≈5/32"), 6mm (≈1/4"), 8mm (≈5/16"), and 10mm (≈3/8") OD pneumatic tubing. Select the variant that matches your hose's outer diameter — using the wrong size will result in leaks or the tube not seating properly.

These fittings generally use BSP (British Standard Pipe) parallel threads, which are common in pneumatic systems worldwide. NPT (National Pipe Taper) threads have a slightly different taper angle. In many low-pressure pneumatic applications they can be used interchangeably with PTFE tape, but for critical or high-pressure systems, confirm the thread standard of your equipment before ordering. Contact us if you need clarification.

Pneumatic push-in fittings of this type are typically rated for working pressures up to approximately 150 PSI (≈10 bar) in standard pneumatic air circuits. Always verify the pressure rating against your system requirements before installation, especially in industrial or safety-critical applications.

These fittings are generally suitable for indoor pneumatic systems. For outdoor or high-humidity environments, ensure the fitting material (typically nickel-plated brass or engineered polymer) is appropriate for your conditions. Contact us to confirm material specifications if your application involves moisture, chemicals, or temperature extremes.

Yes — applying PTFE thread tape (plumber's tape) to the male thread before installation is generally recommended to ensure an airtight seal and prevent leaks, especially on tapered NPT-style ports. Wrap 2–3 layers clockwise around the thread before screwing in.

A 5-way connector means the fitting body has five ports — allowing one threaded inlet to distribute compressed air to multiple push-in hose outlets (or vice versa). This is useful for splitting a single air supply line into multiple branches in automation panels, robotics, or pneumatic control systems without adding separate tee fittings.

To release the tube, depressurize the line first, then press down on the collet ring (the outer ring around the push-in port) while pulling the tube straight out. Avoid twisting or pulling at an angle, as this can damage the collet teeth or the tube end.