Aluminum Pipe Reducing Elbows

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60 Products

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.

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. To prevent cracking, do not tighten more than a 1/4-turn past hand tight.

Female x male 90° elbow adapters are also known as street elbows.

90° Elbow Adapters

For Use With: Air, Oil, Water
Pressure Class: 150
Pipe Nipples and Pipe: Use Schedule 40 aluminum
Flanges: Use Class 125 aluminum

NPT Female × NPT Male
Pipe Size	Max. Pressure		Each
1/8	150 psi @ 72° F	000000000	000000
1/4	150 psi @ 72° F	000000000	00000
3/8	150 psi @ 72° F	000000000	00000
1/2	150 psi @ 72° F	000000000	00000
3/4	150 psi @ 72° F	000000000	00000
1	150 psi @ 72° F	00000000	00000
1 1/4	150 psi @ 72° F	000000000	00000
1 1/2	150 psi @ 72° F	000000000	00000
2	150 psi @ 72° F	000000000	00000
2 1/2	150 psi @ 72° F	000000000	000000
3	150 psi @ 72° F	000000000	000000
4	150 psi @ 72° F	000000000	000000

90° Elbow Reducers

For Use With: Air, Oil, Water
Specifications Met: ASME B1.20.1, MIL-DTL-52618
Pressure Class: 150
Pipe Nipples and Pipe: Use Schedule 40 aluminum
Flanges: Use Class 125 aluminum

Pipe Size
(A)	(B)	Max. Pressure		Each
NPT Female
1/2	1/4	150 psi @ 72° F	000000000	000000
1/2	3/8	150 psi @ 72° F	000000000	00000
3/4	1/2	150 psi @ 72° F	000000000	00000
1	1/2	150 psi @ 72° F	000000000	00000
1	3/4	150 psi @ 72° F	000000000	00000
1 1/4	1	150 psi @ 72° F	000000000	00000
1 1/2	1	150 psi @ 72° F	000000000	00000
1 1/2	1 1/4	150 psi @ 72° F	000000000	00000
2	1 1/2	150 psi @ 72° F	000000000	00000
3	2	150 psi @ 72° F	000000000	000000
4	3	150 psi @ 72° F	000000000	000000

45° Elbow Adapters

For Use With: Air, Oil, Water
Specifications Met: ASME B1.20.1, MIL-DTL-52618
Pressure Class: 150
Pipe Nipples and Pipe: Use Schedule 40 aluminum
Flanges: Use Class 125 aluminum

NPT Female × NPT Male
Pipe Size	Max. Pressure		Each
1/2	150 psi @ 72° F	000000000	000000
3/4	150 psi @ 72° F	000000000	00000
1	150 psi @ 72° F	000000000	00000
1 1/4	150 psi @ 72° F	000000000	00000
1 1/2	150 psi @ 72° F	000000000	00000
2	150 psi @ 72° F	000000000	00000
2 1/2	150 psi @ 72° F	000000000	000000

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. They are lightweight with good corrosion resistance.

Female x male 90° elbow adapters are also known as street elbows.

90° Elbow Adapters

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B247, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

NPT Female × NPT Male
Pipe Size	Max. Pressure		Each
1/4	3,000 psi @ 72° F	0000000	000000
1/2	3,000 psi @ 72° F	0000000	00000

Medium-Pressure Aluminum Threaded Pipe Fittings

Designed for medium-pressure applications, these fittings have better strength than our low-pressure aluminum pipe fittings. They are lightweight with good corrosion resistance.

Fittings with blue anodized finish have better corrosion resistance and a harder surface than plain aluminum fittings.

Female x male 90° elbow adapters are also known as street elbows.

90° Elbow Adapters

For Use With: Air, Oil, Water
Pipe Nipples and Pipe:
BSPT: Use Schedule 40 aluminum

NPT Female × NPT Male
Pipe Size	Max. Pressure	Color	Finish		Each
1/4	500 psi @ 72° F	Blue	Anodized	0000000	000000
3/8	500 psi @ 72° F	Blue	Anodized	0000000	00000
1/2	500 psi @ 72° F	Blue	Anodized	0000000	00000
BSPT Female × BSPT Male
1/8	250 psi @ 72° F	__	__	0000000	00000
1/4	250 psi @ 72° F	__	__	0000000	00000
3/8	250 psi @ 72° F	__	__	0000000	00000
1/2	250 psi @ 72° F	__	__	0000000	00000
3/4	250 psi @ 72° F	__	__	0000000	00000
1	250 psi @ 72° F	__	__	0000000	00000

45° Elbow Adapters

For Use With: Air, Oil, Water

NPT Female × NPT Male
Pipe Size	Max. Pressure	Color	Finish		Each
1/8	500 psi @ 72° F	Blue	Anodized	0000000	000000
1/4	500 psi @ 72° F	Blue	Anodized	0000000	00000
3/8	500 psi @ 72° F	Blue	Anodized	0000000	00000
1/2	500 psi @ 72° F	Blue	Anodized	0000000	00000

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. Also known as Unipipe fittings, they’re part of a quick-connect system that’s compatible with pipe from Unipipe, Transair, and Infinity.

Finger tighten the collar on the end of these fittings, then use a wrench for the final quarter turn. The inside of these fittings has a compression ring and O-ring to seal against the pipe. They’re easy to take apart as needed to modify your setup.

Choose fittings with a blue or gray collar for easy identification. Fittings with a blue collar are often used for compressed air systems. Fittings with a gray collar are often used for vacuum systems.

90° Elbow Reducing Adapters, Female Quick Connect × Male Threaded

For Use With: Air, Coolant, Nitrogen, Oil
Temperature Range: 0° to 210° F
Specifications Met: ASME B31.1, ASME B31.3, ASME B31.9

Threaded connections can be taken apart as needed for maintenance and repair.

(A)
For Pipe OD	Socket Dp., mm	Pipe Size (B)	Material	Color	Max. Pressure		Each
Blue Collar
NPT Threads
3/4" (20 mm)	35	1/2	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	0000000	000000
1" (25 mm)	37	1/2	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	0000000	00000
1" (25 mm)	37	3/4	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	0000000	00000
1 1/2" (40 mm)	57	1 1/4	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	0000000	00000
1 1/2" (40 mm)	57	2	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	0000000	00000
Gray Collar
NPT Threads
3/4" (20 mm)	35	1/2	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	00000000	00000
1" (25 mm)	37	1/2	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	00000000	00000
1" (25 mm)	37	3/4	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	00000000	00000
1 1/2" (40 mm)	57	1 1/4	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	00000000	00000
1 1/2" (40 mm)	57	2	Epoxy-Coated 6061 Aluminum	Black	230 psi @ 72° F	00000000	00000

Wrenches

For Pipe OD	Drive Size, mm	Overall Lg., mm	Head Thick., mm	Material		Each
3/4" (20 mm)	20	172	5	Galvanized Steel	0000000	000000
1" (25 mm)	25	192	5	Galvanized Steel	0000000	00000
1 1/2" (40 mm)	40	245	5	Galvanized Steel	0000000	00000

Measuring Tools

Use measuring tools to mark your pipe’s proper insertion depth so you know if it’s inserted far enough into the fitting.

Max. Dp. Measured, mm	Lg., mm	Wd., mm	Material		Each
160	224	39	Plastic	0000000	000000

Threaded Swivel Hose Fittings for Air

Designed for pneumatic applications, these fittings swivel 360° before and after installation as needed to prevent kinking between hose and portable air tools. Elbows with two swivels rotate on two axes. They allow the hose to remain vertical no matter how you position your tool, which reduces operator fatigue. Aluminum fittings are lighter in weight than other metal fittings. They have good corrosion resistance.

90° Elbow Reducing Adapters (Intermittent Swivel), Female Hose × Male Hose

Aluminum 90° Elbow Reducing Adapter with Two Swivels

Maximum Pressure: 150 psi @ 72° F
Temperature Range: -20° to 200° F

	Pipe Size			Thread Material		Open Flow
No. of Swivels	(A)	(B)	Thread Type	Female End	Male End		Each
Aluminum
2	1/4	1/8	NPT	Aluminum	Steel	00000000	000000