Aluminum (Schedule 80) Threaded Pipe

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84 Products

How to Measure Threaded Pipe Size

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.

For technical drawings and 3-D models, click on a part number.

Plugs with Hex Drive

For Use With: Air, Water, Hydraulic Fluid
Specifications Met: ASME B1.20.1, ASME B16.11, ASTM B221, Fed. Spec. QQ-A-200/8
Pressure Class: 150
Pipe Nipples and Pipe: Use Schedule 80 aluminum

				Black Anodized 2011 Aluminum
Pipe Size	Drive Size	Plug Construction	Max. Pressure		Each
NPT Male
1/16	5/32"	Solid	150 psi @ 72° F	00000000	00000
1/8	3/16"	Solid	150 psi @ 72° F	00000000	0000
1/4	1/4"	Solid	150 psi @ 72° F	00000000	0000
3/8	5/16"	Solid	150 psi @ 72° F	00000000	0000
1/2	3/8"	Solid	150 psi @ 72° F	00000000	00000
3/4	9/16"	Solid	150 psi @ 72° F	00000000	00000
1	5/8"	Solid	150 psi @ 72° F	00000000	00000
1 1/4	3/4"	Solid	150 psi @ 72° F	00000000	00000
BSPT Male
1/8	3/16"	Solid	150 psi @ 72° F	00000000	0000
1/4	1/4"	Solid	150 psi @ 72° F	00000000	0000
3/8	5/16"	Solid	150 psi @ 72° F	00000000	0000
1/2	3/8"	Solid	150 psi @ 72° F	00000000	00000

Plugs with External Hex Drive

Metric and UNF Male Threads with Gasket

For Use With: Air, Water, Hydraulic Fluid
Specifications Met: ASME B1.20.1, ASME B16.11, ASTM B221, Fed. Spec. QQ-A-200/8
Pressure Class: 150
Pipe Nipples and Pipe: Use Schedule 80 aluminum

NPT Male
Pressure Class	Pipe Size	Thread Size	Thread Pitch, mm	Drive Size	Plug Construction	Max. Pressure		Each
150	1/16	__	__	5/16"	Solid	150 psi @ 72° F	00000000	00000
Metric Male
150	__	M3	0.5	1/4"	Solid	150 psi @ 72° F	00000000	0000
150	__	M6	1	7/16"	Solid	150 psi @ 72° F	00000000	0000
150	__	M10	1.25	5/8"	Solid	150 psi @ 72° F	00000000	0000
150	__	M12	1.25	11/16"	Solid	150 psi @ 72° F	00000000	0000
UNF Male
150	__	10-32	__	5/16"	Solid	150 psi @ 72° F	00000000	0000
150	__	7/16"-20	__	5/8"	Solid	150 psi @ 72° F	00000000	0000
150	__	9/16"-18	__	3/4"	Solid	150 psi @ 72° F	00000000	0000
150	__	3/4"-16	__	1 1/4"	Solid	150 psi @ 72° F	00000000	0000

Thick-Wall Aluminum Threaded Pipe Nipples and Pipe

Also known as Schedule 80, this pipe has extra-thick walls to handle high-pressure applications. It is seamless so it has a smooth interior for unrestricted flow. Pipe is aluminum, which is lightweight with good corrosion resistance.

Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.

For technical drawings and 3-D models, click on a part number.

Fully Threaded

For Use With: Air, Oil, Water
Specifications Met: ASME B1.20.1, ASTM B241
Fittings: Use Class 3000 aluminum

Pipe Size	Lg.	Thread Type	Construction		Each
1/4	7/8"	NPT	Seamless	0000000	00000
1/2	1 1/8"	NPT	Seamless	0000000	0000
3/4	1 3/8"	NPT	Seamless	0000000	0000
1	1 1/2"	NPT	Seamless	0000000	0000

Threaded on Both Ends

For Use With: Air, Oil, Water
Specifications Met: ASME B1.20.1, ASTM B241
Fittings: Use Class 3000 aluminum

1/4 Pipe Size
Lg.	Thread Type	Construction		Each
2"	NPT	Seamless	0000000	000000
3"	NPT	Seamless	0000000	00000
4"	NPT	Seamless	0000000	00000
6"	NPT	Seamless	0000000	00000
12"	NPT	Seamless	0000000	00000
1/2 Pipe Size
2"	NPT	Seamless	0000000	0000
3"	NPT	Seamless	0000000	00000
4"	NPT	Seamless	0000000	00000
6"	NPT	Seamless	0000000	00000
12"	NPT	Seamless	0000000	00000
3/4 Pipe Size
2"	NPT	Seamless	0000000	00000
3"	NPT	Seamless	0000000	00000
4"	NPT	Seamless	0000000	00000
6"	NPT	Seamless	0000000	00000
12"	NPT	Seamless	0000000	00000
1 Pipe Size
2"	NPT	Seamless	0000000	0000
3"	NPT	Seamless	0000000	00000
4"	NPT	Seamless	0000000	00000
6"	NPT	Seamless	0000000	00000
12"	NPT	Seamless	0000000	00000

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.

Union connectors separate into three pieces so you can access your line without unthreading pipe connections.

Threaded female x butt weld straight adapters are also known as half couplings.

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

For technical drawings and 3-D models, click on a part number.

Straight Connectors

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

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

Union Straight Connectors

Exploded View

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

NPT Female
Pipe Size	Max. Pressure		Each
1	1,500 psi @ 72° F	00000000	0000000

Straight Adapters

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

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

Bushing Straight Reducing Adapters

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

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

Straight Reducers

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

Pipe Size
(A)	(B)	Max. Pressure		Each
NPT Female
1/2	1/4	3,000 psi @ 72° F	0000000	000000
3/4	1/2	3,000 psi @ 72° F	0000000	00000
1	1/2	3,000 psi @ 72° F	0000000	00000
1	3/4	3,000 psi @ 72° F	0000000	00000

90° Elbow Connectors

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

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

45° Elbow Connectors

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

Tee Connectors

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

Plugs with External Hex Drive

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

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

Plugs with External Square Drive

For Use With: Air, Water
Pressure Class : 3000
Specifications Met: Fed. Spec. QQ-A-200/8, ASTM B221, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 aluminum

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