Aluminum Pipe Fitting Thread Reducers

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DFARS Specialty Metals

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657 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.

Miniature Medium-Pressure
Aluminum Threaded Pipe Fittings

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

Medium-Pressure Aluminum Threaded Pipe Fittings

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

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.

Aluminum Unthreaded Pipe and Pipe Fittings

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.

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.

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.

Manifolds

Right-Angle Flow Rectangular Manifolds

Distribute air or fluid to multiple locations from a single supply source with these manifolds. They are also known as headers.

Dual-Section Right-Angle
Flow Rectangular Manifolds

These manifolds have two separate sections inside, so you can run two different substances through them without worrying about them intermixing. Also known as headers.

Straight-Flow Rectangular Manifolds

Unlike other manifolds, which have an inlet on either end, these have one inlet on the opposite side from the outlets. This design allows air or fluid to follow a straight path, improving flow through your system. Also known as headers.

Low-Profile Hex Manifolds

When you’re short on vertical space, these manifolds are a good fit—they have outlets on the side instead of on top, so they have a lower profile than rectangular manifolds. Use them to distribute air or fluid to five locations from a single supply source.

Low-Profile Square Manifolds

With outlets on the side instead of on top, these manifolds have a lower profile than rectangular manifolds and fit well in cramped spaces. Use them to distribute air or fluid to three locations from a single supply source.

Round Manifolds for Hose Lines

Mount these manifolds on the end of a hose line to distribute air, water, or hydraulic fluid to three locations from a single supply source.

Color-Coded Irregular Hex Manifolds

Use these manifolds with molding equipment to circulate hot and cold water through your line. They have a red side for hot water and a blue side for cold water.

Aluminum Threaded Pipe and Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Flanges

Miniature Medium-PressureAluminum Threaded Pipe Fittings

Medium-Pressure Aluminum Threaded Pipe Fittings

High-Pressure Aluminum Threaded Pipe Fittings

Aluminum Unthreaded Pipe and Pipe Fittings

Thin-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thin-Wall Socket-ConnectAluminum Unthreaded Pipe Fittings

Standard-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Aluminum Unthreaded Pipe Flanges

Thick-Wall Butt-Weld AluminumUnthreaded 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

Manifolds

Right-Angle Flow Rectangular Manifolds

Dual-Section Right-AngleFlow Rectangular Manifolds

Straight-Flow Rectangular Manifolds

Low-Profile Hex Manifolds

Low-Profile Square Manifolds

Round Manifolds for Hose Lines

Color-Coded Irregular Hex Manifolds

Miniature Medium-Pressure
Aluminum Threaded Pipe Fittings

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thin-Wall Socket-Connect
Aluminum Unthreaded Pipe Fittings

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Aluminum Quick-Connect Pipe
Fittings for Compressed Air

Dual-Section Right-Angle
Flow Rectangular Manifolds