90° Threaded Elbow

Changes the direction of pipeline flow by a sharp 90 degrees.

45° Threaded Elbow

Changes the direction of pipeline flow by a gentler 45 degrees, reducing pressure drop.

Threaded Tee

Branches or combines flow through three equal-size outlets.

Threaded Cross

Joins four pipe runs at a single junction point.

Threaded Coupling

Joins two pipes of the same diameter in a straight run.

Threaded Half Coupling

Screws onto a run pipe or vessel wall to create a small branch or instrument connection.

Threaded Full Coupling

Joins two pipe ends fully in a straight, high-pressure run.

Threaded Reducing Coupling

Joins two pipes of different diameters in a straight line, without a separate reducer fitting.

Threaded Union

Allows quick disconnection of a line without cutting the pipe.

Threaded Cap

Closes and seals the open end of a small-bore pipeline.

Threaded Plug

Seals the internal opening of a threaded fitting or valve.

Threaded Bushing

Connects a smaller pipe or fitting into a larger threaded opening.

Threaded Hex Nipple

A short, hex-bodied threaded pipe piece connecting two fittings or valves.

Threaded Close Nipple

The shortest threaded nipple length, with threads meeting at or near the center and no plain shoulder in between.

Threaded Barrel Nipple

A nipple with a plain, unthreaded barrel section between two threaded ends, used for longer fitting-to-fitting spans.

Threaded Hex Head Plug

A plug with a protruding hexagonal head for easy wrench installation.

Threaded Square Head Plug

A plug with a square head, a traditional alternative to the hex head style for wrench tightening.

Threaded Street Elbow

An elbow fitting with one male end and one female end.

Threaded Boss

A short, heavy-walled fitting welded onto a pipe or vessel, providing a reinforced threaded port.

Threaded Swage Nipple

A forged pipe nipple used to connect two different pipe sizes, similar to a reducer but shaped like a nipple.

Threaded Adapter

A rarely specified fitting that joins a threaded end to a different connection type, such as socket-weld or buttweld.