Aluminum Butt-Weld Pipe Fittings

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How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and 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.

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall aluminum unthreaded 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 Aluminum Unthreaded
Pipe Nipples and Pipe

Typically used with thin-wall aluminum unthreaded pipe fittings.

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick walls give these Schedule 80 fittings excellent strength.

Thick-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Typically used with thick-wall aluminum unthreaded 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.

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.

Quick-Clamp High-Vacuum Fittings for Aluminum Tubing

Quick-Clamp High-Vacuum
Fittings for Aluminum Tubing

For use in high-vacuum systems, these fittings use a metal reinforced O-ring to create an airtight seal. Also known as KF, QF, and NW fittings, they’re used for high-vacuum applications such as vacuum coating and heat treating, leak testing, and analyzing gases.

Metal Cam-and-Groove Hose Couplings for Chemicals and Petroleum

Metal Cam-and-Groove Hose
Couplings for Chemicals and Petroleum

Couplings are metal, which has better durability than plastic cam-and-groove hose couplings. They consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. To connect, insert the plug into the socket and push the levers down.

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How to Identify and Measure Fittings

Aluminum Pipe and Pipe Fittings

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Aluminum Unthreaded Pipe Flanges

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thin-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Low-Pressure Aluminum Threaded Pipe Fittings

High-Pressure Aluminum Threaded Pipe Fittings

Quick-Clamp High-Vacuum Fittings for Aluminum Tubing

Quick-Clamp High-Vacuum
Fittings for Aluminum Tubing

Metal Cam-and-Groove Hose Couplings for Chemicals and Petroleum

Metal Cam-and-Groove Hose
Couplings for Chemicals and Petroleum

How to Identify and Measure Fittings

Aluminum Pipe and Pipe Fittings

Standard-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Aluminum Unthreaded Pipe Flanges

Standard-Wall AluminumUnthreaded Pipe Nipples and Pipe

Thin-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thin-Wall Aluminum UnthreadedPipe Nipples and Pipe

Thick-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thick-Wall Aluminum UnthreadedPipe Nipples and Pipe

Low-Pressure Aluminum Threaded Pipe Fittings

High-Pressure Aluminum Threaded Pipe Fittings

Quick-Clamp High-Vacuum Fittings for Aluminum Tubing

Quick-Clamp High-VacuumFittings for Aluminum Tubing

Metal Cam-and-Groove Hose Couplings for Chemicals and Petroleum

Metal Cam-and-Groove HoseCouplings for Chemicals and Petroleum

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thin-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Quick-Clamp High-Vacuum
Fittings for Aluminum Tubing

Metal Cam-and-Groove Hose
Couplings for Chemicals and Petroleum