Aluminum Pipe Reducing Couplings

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Specifications Met

Fed. Spec. QQ-A-200/8

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2B999

EAR99

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210 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Aluminum Threaded Pipe and Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Fittings

In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications.

Low-Pressure Aluminum Threaded Pipe Flanges

Also known as Pressure Class 125 flanges, these are for use in low-pressure applications. Flanges are aluminum, which is lightweight with good corrosion resistance.

High-Pressure Aluminum Threaded Pipe Fittings

Also known as Pressure Class 3000 fittings, these have the highest pressure rating of all the aluminum pipe fittings we offer.

Medium-Pressure Aluminum Threaded Pipe Fittings

Designed for medium-pressure applications, these fittings have better strength than our low-pressure aluminum pipe fittings.

Miniature Medium-Pressure
Aluminum Threaded Pipe Fittings

Their small size makes these miniature fittings a good choice for cramped, confined spaces.

Aluminum Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Also known as Schedule 40 fittings, these have thicker walls than our thin-wall aluminum unthreaded pipe fittings.

Aluminum Unthreaded Pipe Flanges

Use these unthreaded flanges in low-pressure applications. Also known as Pressure Class 125 flanges.

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick walls give these Schedule 80 fittings excellent strength.

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Thin-Wall Socket-Connect
Aluminum Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slip the pipe into the socket and weld.

Aluminum Quick-Connect Pipe Fittings for Compressed Air

Aluminum Quick-Connect Pipe
Fittings for Compressed Air

Twist these fittings onto aluminum pipe for quick, sealed connections—no threading, soldering, or welding necessary. Use them to build a compressed air system in half the time it would take to build a copper or steel system.

Low-Pressure Clamp-On Connectors for Water

Also known as no-hub couplings, these have a one-piece sleeve with a stop in the center, so you know your pipe is always aligned correctly.

Aluminum Threaded Pipe and Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Flanges

High-Pressure Aluminum Threaded Pipe Fittings

Medium-Pressure Aluminum Threaded Pipe Fittings

Miniature Medium-PressureAluminum Threaded Pipe Fittings

Aluminum Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Aluminum Unthreaded Pipe Flanges

Thick-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thin-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thin-Wall Socket-ConnectAluminum Unthreaded Pipe Fittings

Aluminum Quick-Connect Pipe Fittings for Compressed Air

Aluminum Quick-Connect PipeFittings for Compressed Air

Low-Pressure Clamp-On Connectors for Water

Low-Pressure Clamp-On Connectors for Water

Miniature Medium-Pressure
Aluminum Threaded Pipe Fittings

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thin-Wall Socket-Connect
Aluminum Unthreaded Pipe Fittings

Aluminum Quick-Connect Pipe
Fittings for Compressed Air