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Air Brake Compression Tube Fittings

Air Brake Compression Tube Fittings

Use these fittings to connect air brake lines on semis, trailers, buses, and farm equipment. They meet DOT FMVSS 571 and SAE J246 requirements for air brake lines.

Compression fittings do not require welding, flaring, or any other tube preparation to install, reducing installation time and maintenance costs. They consist of a body, nut, and sleeve (or ferrule). The sleeve compresses against the tubing as the nut is tightened to form a tight seal. For use with hard plastic or metal tubing.

Unions

Join tubing running in the same direction with these fittings.

Union

For Use With Nylon Tubing

For Use With Copper Tubing

Bulkhead Union

For Use With Nylon Tubing

Connectors

Use these fittings to connect threaded pipe or fittings to tubing in a straight line.

Male Connectors

For Use With Nylon Tubing

For Use With Copper Tubing

Female Connectors

For Use With Nylon Tubing

90° Union Elbows

Connect tubing at a 90° angle with these union elbows. They have tubing connections on both ends.

For Use With Nylon Tubing

90° Elbows

Make a sharp 90° change in the direction of your tubing with these 90° elbows. They have a threaded connection on one end and a tubing connection on the other.

For Use With Nylon Tubing

For Use With Copper Tubing

For Use With Brass Tubing

45° Elbows

Redirect tubing at a 45° angle with these elbows, which have a threaded connection on one end and a tubing connection on the other. They restrict flow less than 90° elbows to minimize pressure loss.

For Use With Nylon Tubing

For Use With Copper Tubing

Union Tees

Merge two lines or split a single line into two with these union tee fittings. They have tubing connections on all ports.

For Use With Nylon Tubing

For Use With Copper Tubing

Run Tees

Create a 90° branch to send flow into two tubing lines or to join flow from two tubing lines. Run tees have a tubing connection in the middle set at a 90° angle to a threaded connection on one end and a tubing connection on the other.

For Use With Nylon Tubing

Branch Tees

Combine two lines into one or split a single line into two with these tees. They have a threaded middle port set at a 90° angle to a tubing connection on either end.

For Use With Nylon Tubing

For Use With Copper Tubing

Nuts

Replace broken or worn nuts on your compression fittings, or swap your current nut out for a different style.

For Use With Nylon Tubing

For Use With Copper Tubing

Sleeves

Find replacement sleeves for keeping fitting nuts in place.

Brass

Buna-N

Tube Inserts

Strengthen and reinforce tubing ends with these inserts so they maintain their shape while installing fittings. Also known as compression inserts.

Brass

For Use With Nylon Tubing

Stainless Steel

For Use With Nylon Tubing