Shop by Pneumatic Adapter Shape
Pneumatic adapters are essential fittings used to connect different types of hoses and components in compressed air systems. These adapters come in various shapes and sizes to match different thread types and connection standards, ensuring a secure, leak-proof connection. By enabling the seamless integration of various pneumatic parts, they play a key role in customizing and expanding systems, making them more versatile and efficient. Whether you're building or maintaining a pneumatic system, these adapters help optimize performance and reliability, making them a crucial component in many applications.
These pneumatic adapters connect air tubing to valves, cylinders and other compressed air components. Choose the shape first: straight, 90°, tee, cross, Y-adapter, banjo, plug or cap. Then pick the connection on each side, typically a push-in tube end, a male or female NPT thread, or a male stem that plugs into another push-in fitting. Match push-in ends to your tubing's outside diameter. For NPT ends, the thread identification guide helps confirm the thread.
Frequently Asked Questions
How does a push-in pneumatic fitting work?
You push the tube into the fitting by hand and it locks in place, with no tools needed. Inside, a gripping collet holds the tube and an O-ring seals around its outside diameter. To release the tube, press the release collar in and pull the tube out. Cut the tube square and push it in fully to the stop for a reliable seal.
What connection types are available on pneumatic adapters?
Straight adapters are offered as push-in x push-in unions and bulkhead unions, push-in x male NPT, push-in x female NPT, push-in x male stem, male NPT x male stem, and male stem x male stem. A male stem is a plain tube-sized end that plugs into another push-in fitting, which is useful for reducing or extending a connection without a threaded joint.
What is the difference between a tee and a Y-adapter?
Both split one air line into two. A tee takes the branch off at a right angle, while a Y-adapter splits a single line into two branches that leave side by side, which can be easier to route in a compact space. Y-adapters are offered with all push-in ends, with a male NPT end or with a male push-in stem.
What is a pneumatic banjo adapter used for?
A banjo adapter connects tubing in a compact, space-saving way. Its flat, circular body mounts over a port with a central hole, so the tube leaves at a right angle to the port, close to the mounting surface, which helps in tight spaces. The banjos here are female push-in x male NPT, including a top-ported version.
Can I use pneumatic adapters in a hydraulic system?
No. Pneumatic adapters are built for compressed air at far lower pressures than hydraulic systems. For example, the pneumatic plugs here are rated 260 psig maximum in nickel-plated brass and 150 psig maximum in composite (PBT). For hydraulic oil, use hydraulic adapters rated for your system's working pressure.
Which pneumatic plugs should I choose?
Nickel-plated brass plugs are rated to 260 psig and 0° to 175° F. Composite plugs with a PBT body are rated to 150 psig and 32° to 140° F, and they suit food applications because they resist chlorine and caustic cleaning solutions.