Black Iron Pipe Street Elbows

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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.

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

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

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

90° Elbow Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: 150
Specifications Met: ASME B16.3, UL Listed, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/8	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
3/8	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
3/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
1	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
1 1/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2 1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	00000000	00000
3	150 psi @ 72° F	150 psi @ 350° F	Iron	00000000	000000
4	150 psi @ 72° F	150 psi @ 350° F	Iron	00000000	000000

90° Elbow Reducing Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: 150
Specifications Met: ASME B16.3, UL Listed, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female × NPT Male
1/2	3/8	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	000000
3/4	1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1	3/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/4	3/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/4	1	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	1	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	1 1/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2	1 1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000

45° Elbow Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: 150
Specifications Met: ASME B16.3, UL Listed, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/8	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	000000
1/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
3/8	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	0000
3/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/4	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000

Low-Pressure Iron and Steel Threaded Pipe Fittings with Sealant

To prevent leaks in low-pressure lines, the male threads on these fittings have an acrylic sealant already applied for extra protection. Also known as Pressure Class 125 or 150 fittings. Made of either iron or steel, they’re best in noncorrosive environments. Even with sealant, threaded connections can be taken apart for maintenance and repair.

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

Right-angle tees are also known as run tees.

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

90° Elbow Adapters

For Use With: Air, Natural Gas, Oil, Water
Pressure Class: 150
Specifications Met: ASME B1.20.1, ASME B16.3
Pipe Nipples and Pipe: Use Schedule 40 Steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Material		Each
1/8	150 psi @ 72° F	Iron	0000000	00000
1/4	150 psi @ 72° F	Iron	0000000	0000
3/8	150 psi @ 72° F	Iron	0000000	0000
1/2	150 psi @ 72° F	Iron	0000000	0000
3/4	150 psi @ 72° F	Iron	0000000	0000
1	150 psi @ 72° F	Iron	0000000	00000
1 1/4	150 psi @ 72° F	Iron	0000000	00000
1 1/2	150 psi @ 72° F	Iron	0000000	00000
2	150 psi @ 72° F	Iron	0000000	00000
2 1/2	150 psi @ 72° F	Iron	0000000	000000
3	150 psi @ 72° F	Iron	0000000	000000

45° Elbow Adapters

For Use With: Air, Natural Gas, Oil, Water
Pressure Class: 150
Specifications Met: ASME B1.20.1, ASME B16.3
Pipe Nipples and Pipe: Use Schedule 40 Steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Material		Each
1/8	150 psi @ 72° F	Iron	0000000	000000
1/4	150 psi @ 72° F	Iron	0000000	00000
3/8	150 psi @ 72° F	Iron	0000000	00000
1/2	150 psi @ 72° F	Iron	0000000	00000
3/4	150 psi @ 72° F	Iron	0000000	00000
1	150 psi @ 72° F	Iron	0000000	00000
1 1/2	150 psi @ 72° F	Iron	0000000	00000
2	150 psi @ 72° F	Iron	0000000	00000

Right-Angle Tee Adapters

For Use With: Air, Natural Gas, Oil, Water
Pressure Class: 150
Specifications Met: ASME B1.20.1, ASME B16.3
Pipe Nipples and Pipe: Use Schedule 40 Steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Material		Each
1/4	150 psi @ 72° F	Iron	0000000	000000
1/2	150 psi @ 72° F	Iron	0000000	00000
3/4	150 psi @ 72° F	Iron	0000000	00000

Medium-Pressure Iron and Steel Threaded Pipe Fittings

With better strength than our low-pressure iron and steel pipe fittings, these can handle medium-pressure applications. They are for use in noncorrosive environments.

Fittings with intermittent swivel rotate 360° as needed to allow movement in a rigid metal piping system.

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

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

90° Elbow Adapters with Intermittent Swivel

For Use With: Coolant, Water, Air
Temperature Range: -25° to 225° F
Flanges: Use Class 150 galvanized steel

NPT Male × NPT Female
Pipe Size	Length	Max. Pressure	Max. Vacuum	Material		Each
1/8	1 7/16"	250 psi @ 72° F	28 in. of Hg @ 72° F	Steel	0000000	0000000
1/4	2 1/8"	250 psi @ 72° F	28 in. of Hg @ 72° F	Steel	0000000	000000
3/8	2 1/16"	250 psi @ 72° F	28 in. of Hg @ 72° F	Steel	0000000	000000
1/2	2 11/16"	250 psi @ 72° F	28 in. of Hg @ 72° F	Steel	0000000	000000

90° Elbow Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

45° Elbow Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

High-Pressure Iron and Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

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

Phosphate-coated and zinc-phosphate-coated fittings offer some corrosion resistance, but aren't intended for corrosive environments.

Note: The maximum pressure listed for Class 3000 fittings is for conditions where there are no sudden changes in pressure or velocity. Please refer to ASME B16.11 to determine the specific maximum operating pressure for your application.

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

90° Elbow Adapters

For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
Pressure Class: 3000
Specifications Met: ASTM A105, ASME B16.11, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 160 steel
Flanges: Use Class 1500 steel

NPT Female × NPT Male
Pipe Size	Dash Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	04	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	000000
3/8	06	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000
1/2	08	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000
3/4	12	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000
1	16	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000
1 1/4	20	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000
1 1/2	24	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000
2	32	3,000 psi @ 72° F	300 psi @ 360° F	Zinc-Phosphate-Coated Steel	0000000	00000