Push To Connect mm Tube Fittings

Metric Push-In Fittings for Millimeter Pneumatic Tubing

Pneuforce metric push-in fittings are designed for connecting millimeter pneumatic tubing to valves, cylinders, manifolds, air preparation equipment, vacuum generators and other compressed air components. These one-touch pneumatic fittings allow metric polyurethane and nylon tubing to be installed quickly, removed easily and reconnected repeatedly without damaging the tube or fitting.

This category contains push-in fittings specifically for millimeter tube sizes, making them ideal for international machinery, European pneumatic equipment, automation systems, packaging machines, control panels and OEM machine builds that use metric pneumatic tubing.

Metric Push-In Fitting Features

• Designed for millimeter pneumatic tubing
• One-touch push-in connection for fast tube installation
• Suitable for polyurethane and nylon air tubing
• Threaded options for valves, cylinders, manifolds and FRL units
• NPT, BSPP, BSPT and universal thread options available
• Fluid medium: compressed air
• 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

What Are Metric Push-In Fittings?

Metric push-in fittings are pneumatic tube fittings designed for tubing measured by outside diameter in millimeters. Common metric tube sizes are used throughout industrial automation and are especially common on imported machinery and internationally designed pneumatic systems.

The tube is pushed directly into the fitting, where it is gripped and sealed internally. To remove the tube, the release collar is pressed and the tube can be pulled out. This makes metric push-in fittings one of the easiest and fastest ways to connect pneumatic tubing in compressed air systems.

Metric Tube Sizes for Pneumatic Systems

Metric pneumatic tubing is measured by outside diameter, not inside diameter. The tube size must match the fitting size to ensure proper sealing and tube retention. Using the wrong tube size can cause air leaks, poor holding force or tube blow-off under pressure.

Metric push-in fittings are commonly used with polyurethane and nylon tubing in applications where flexibility, clean routing and fast assembly are important.

Available Thread Types

Pneuforce metric push-in fittings are available with several common thread types used on pneumatic components and machine equipment.

• NPT Threads: National Pipe Taper threads commonly used in North American pneumatic systems.
• BSPP / G Threads: British Standard Pipe Parallel threads commonly used on European pneumatic components.
• BSPT / R Threads: British Standard Pipe Taper threads used in many international pneumatic systems.
• Universal Threads: Designed to connect with female NPT, NPSF, BSPT, R thread, BSPP and G thread ports depending on the application.

Common Applications

• Control Valves: Metric tube connections for solenoid valves, manual valves, directional control valves and valve manifolds.
• Pneumatic Cylinders: Reliable air connections for single acting and double acting cylinder ports.
• Vacuum Venturi: Leak-resistant connections for vacuum generators, ejectors and vacuum release circuits.
• Pneumatic Tools: Durable connections for compressed air tools and workstations.
• Air Preparation Units: Connections for filters, regulators, lubricators and FRL assemblies.
• Automation Equipment: Used on packaging machinery, assembly systems, robots, fixtures and control panels.

Choosing the Correct Metric Push-In Fitting

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

For best performance, the tube should be cut square, pushed fully into the fitting and inspected for scratches or deformation before installation.