Push To Connect Tube Fittings

Push-In Pneumatic Fittings for Compressed Air Tubing

Pneuforce push-in fittings, also known as one-touch pneumatic fittings or push-to-connect air fittings, are designed to quickly connect pneumatic tubing to valves, cylinders, manifolds, vacuum generators, air preparation equipment and other compressed air components. These fittings allow polyurethane, nylon and other compatible pneumatic tubing to be installed, removed and reconnected without damaging the tube or fitting.

Push-in fittings are widely used in pneumatic automation because they reduce assembly time, simplify maintenance and provide reliable leak-resistant tube connections. Pneuforce offers a broad range of metric and inch tube fittings for industrial automation, machine building, packaging equipment, air tools, control panels and general compressed air systems.

Push-In Fitting Features

• One-touch tube connection for fast installation
• Suitable for polyurethane and nylon pneumatic tubing
• Metric and inch tube sizes available
• Thread options for common pneumatic components and manifolds
• Used with compressed air and selected vacuum applications
• Working pressure: 0-150 PSI / 10 bar
• Proof pressure: 450 PSI / 30 bar
• Vacuum duty: 29.5" Hg / 14 mbar(a)
• Standard working temperature: 32-140ºF / 0-60ºC
• All metal fittings: -40-248ºF / -40-120ºC
• High temperature models available upon request
• Designed for repeat connection and disconnection of tubing

What Is a Push-In Pneumatic Fitting?

A push-in pneumatic fitting is a compressed air connector that allows tubing to be inserted directly into the fitting body. Internal gripping components hold the tube securely, while the sealing element helps prevent air leakage. To disconnect the tube, the release collar is pressed and the tube can be removed.

This design is commonly called push-in, push-to-connect, one-touch or instant pneumatic fitting technology. It is one of the most common connection methods used in modern pneumatic automation systems because it is fast, clean and easy to service.

Where Push-In Fittings Are Used

Push-in fittings are used throughout pneumatic systems wherever flexible tubing must connect to a threaded port, valve, cylinder, actuator, regulator, manifold or vacuum component. They are especially useful on machinery where fast assembly and service access are important.

• Control Valves: Used to connect tubing to solenoid valves, manual valves, directional control valves and valve manifolds.
• Pneumatic Cylinders: Provide secure air connections for single acting and double acting cylinders.
• Vacuum Venturi: Used on vacuum generators, ejectors and vacuum release circuits.
• Pneumatic Tools: Suitable for air drills, grinders, impact tools and general compressed air connections.
• Air Preparation Units: Connect filters, regulators, lubricators and FRL assemblies.
• Automation Equipment: Common on packaging machines, assembly systems, robotics, fixtures and control panels.

Metric and Inch Push-In Fittings

Pneuforce push-in fittings are available for both metric and inch size pneumatic tubing. This allows the same product family to support North American, European and international machine designs.

Metric tube sizes are commonly used on imported automation equipment, while inch tube sizes are frequently used in North American compressed air systems. Selecting the correct tube outside diameter is essential for proper sealing and gripping.

Push-In Fittings for Air and Vacuum

Although push-in fittings are most commonly used for compressed air, many models are also suitable for vacuum service. Vacuum applications require secure tube retention and proper sealing because even small leaks can reduce vacuum performance.

Pneuforce push-in fittings are suitable for vacuum duty up to 29.5" Hg, depending on the installation, tubing condition and application requirements.

Choosing the Correct Push-In Fitting

To choose the correct push-in pneumatic fitting, confirm the tube outside diameter, thread size, fitting shape, pressure rating, temperature range and installation space. Common styles include straight fittings, elbows, tees, bulkhead fittings, branch fittings, reducers, plugs and flow control fittings.

For reliable performance, tubing should be cut square and pushed fully into the fitting. Damaged, oval, scratched or incorrectly sized tubing can cause leaks or poor tube retention.

Fittings Poster

Need a quick reference for Pneuforce pneumatic fittings? Order the Pneuforce fittings poster or download the PDF version below.

Order Pneuforce Fittings Poster