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Plastic 45° Flare Tube Fittings

Plastic 45° Flare Tube Fittings

Made from high-purity plastics, these fittings provide excellent resistance to high temperatures, chemicals, and corrosive materials. Suitable for harsh environments and clean rooms, use them to connect tubing in lab, pharmaceutical, chemical-processing, and semiconductor applications. 45° flare fittings can tolerate lower pressures than 37° flared fittings.

Flare fittings have a body, nut, and sleeve (ferrule). The nut and sleeve are inserted onto the tubing, the end of the tubing is flared, and the nut is tightened onto the fitting to secure it in place. They resist pulling out if there is vibration in the line and can be installed and removed repeatedly.


Join tubing running in the same direction with these fittings.


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

Union Elbows

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

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.

Union Tees

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


Stop or direct the flow of material in your tubing system and protect external threads on fitting heads using these caps.


Secure fittings to tubing with these nuts.

Flare Tools

Flare tubing ends with these dies to ensure the tubing lays flush against a flared fitting for a leakproof seal.