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Push To Connect Inch Tube Fittings

Fast Pneumatic Tube Connections for Inch-Size Systems

Inch-size push-to-connect fittings provide a quick way to connect pneumatic tubing to valves, cylinders, manifolds and other compressed air components. The one-touch design is intended for common pneumatic tubing materials such as polyurethane and nylon.

These fittings are useful on OEM machinery and industrial automation because tubing can be installed, disconnected and reconnected without the repeated wrenching associated with conventional compression-style connections. Correct tube size and fitting selection help create compact, serviceable pneumatic circuits.

Download Push-In Fittings Datasheet

Operating Specifications

  • Fluid medium: Air
  • Working pressure: 0–150 psi(g) / 10 bar(g)
  • Proof pressure: 450 psi(g) / 30 bar(g)
  • Vacuum duty: 29.5 inHg / 14 mbar(a)
  • Working temperature: 32–140°F / 0–60°C

Why Use Inch Push-to-Connect Fittings?

  • Inch-series fittings make it easier to build and service pneumatic systems that use inch outside-diameter tubing. Their compact bodies and simple tube insertion help reduce installation time inside control panels, machine frames and valve assemblies.
  • For reliable operation, use cleanly cut tubing and match the fitting to the required pressure, temperature, thread and tube size.

Common Applications

  • Industrial automation machinery
  • Pneumatic cylinders and actuators
  • Directional control valves and manifolds
  • Packaging and assembly equipment
  • Robotics and end-of-arm equipment
  • General factory compressed air circuits

Frequently Asked Questions

What are inch push-to-connect fittings?

They are pneumatic fittings sized for inch outside-diameter tubing and used to connect tubing to compatible pneumatic ports and equipment.

How does a push-to-connect pneumatic fitting work?

The tube is pushed into the fitting until the internal gripping and sealing components retain it. The connection can then be released using the fitting collar when the system is safely depressurized.

What tubing is commonly used with push-in fittings?

These fittings are commonly used with pneumatic tubing such as polyurethane and nylon. Always confirm the tube outside diameter and material are compatible with the specific fitting.

Can push-to-connect fittings be disconnected and reused?

Yes. The fitting design allows compatible tubing to be connected and disconnected repeatedly without normally damaging the fitting or tube when installed and released correctly.

Can these fittings be used for vacuum?

The source specification lists vacuum duty to 29.5 inHg / 14 mbar(a). Confirm the exact fitting, tubing and application conditions before use.

How do I choose the correct push-in fitting?

Match the tube outside diameter, thread type, port size, pressure, temperature and fitting shape to the pneumatic circuit.

Are push-to-connect fittings suitable for industrial automation?

Yes. Push-in pneumatic fittings are widely used to connect tubing to valves, cylinders, manifolds and other automation components.

What pressure range is listed for these fittings?

The source specification lists a working pressure of 0–150 psi(g) / 10 bar(g), with a proof pressure of 450 psi(g) / 30 bar(g).

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