Tees for Brass Pipe | McMaster-Carr

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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 Brass and Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance. Fittings rated for use with drinking water meet NSF/ANSI 61 safety standards.

Right-angle tees are also known as run tees. Inline tees are also known as branch tees. Dual tees reduce on all three ends.

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

Tee Connectors

For Use With:
NPT: Air, Drinking Water, Natural Gas, Oil
BSPT: Air, Natural Gas, Oil, Steam, Water
Pressure Class: 125
Specifications Met:
NPT: ASME B1.20.1, ASME B16.15, NSF/ANSI 61
BSPT: ASME B16.15, ASME BS21, ASTM B584
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges:
NPT: Use Class 150 brass
BSPT: Use Class 150 bronze

NPT Female
Pipe Size	Max. Pressure	Maximum Steam Pressure	Material		Each
1/8	200 psi @ 72° F	__	Brass	00000000	000000
1/4	200 psi @ 72° F	__	Brass	00000000	00000
3/8	200 psi @ 72° F	__	Brass	00000000	00000
1/2	200 psi @ 72° F	__	Brass	00000000	00000
3/4	200 psi @ 72° F	__	Brass	00000000	00000
1	200 psi @ 72° F	__	Brass	00000000	00000
1 1/4	200 psi @ 72° F	__	Brass	00000000	00000
1 1/2	200 psi @ 72° F	__	Brass	00000000	00000
2	200 psi @ 72° F	__	Brass	00000000	000000
2 1/2	200 psi @ 72° F	__	Brass	00000000	000000
3	200 psi @ 72° F	__	Brass	00000000	000000
4	200 psi @ 72° F	__	Brass	00000000	000000
BSPT Female
1/8	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
1/4	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
3/8	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
1/2	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
3/4	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
1	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
1 1/4	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
1 1/2	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	00000
2	200 psi @ 72° F	125 psi @ 400° F	Bronze	00000000	000000

Right-Angle Tee Adapters

For Use With: Air, Drinking Water, Natural Gas, Oil
Pressure Class: 125
Specifications Met: ASME B1.20.1, ASME B16.15, NSF/ANSI 61
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges: Use Class 150 brass

NPT Female × NPT Male
Pipe Size	Max. Pressure	Material		Each
3/8	200 psi @ 72° F	Brass	00000000	000000
1/2	200 psi @ 72° F	Brass	00000000	00000
3/4	200 psi @ 72° F	Brass	00000000	00000
1	200 psi @ 72° F	Brass	00000000	00000
1 1/4	200 psi @ 72° F	Brass	00000000	000000
2	200 psi @ 72° F	Brass	00000000	000000

Inline Tee Reducers

For Use With: Air, Drinking Water, Natural Gas, Oil
Pressure Class: 125
Specifications Met: See table
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges: Use Class 150 brass

Pipe Size
(A)	(B)	Max. Pressure	Material	Specifications Met		Each
NPT Female
1/4	1/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1/4	3/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61	00000000	00000
3/8	1/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61	00000000	00000
3/8	1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
3/8	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1/2	1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1/2	3/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1/2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1/2	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61	00000000	00000
3/4	1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
3/4	3/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
3/4	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
3/4	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	3/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61	00000000	00000
1	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	1 1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61	00000000	000000
1	1 1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/4	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1 1/4	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1 1/4	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1 1/4	1 1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/2	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/2	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/2	2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	1 1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	1 1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2 1/2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2 1/2	1 1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2 1/2	2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
3	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
BSPT Female
1/4	1/8	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000
1/2	1/4	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000
3/4	1/4	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000
3/4	1/2	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000
1	1/4	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000
1	1/2	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000
1	3/4	200 psi @ 72° F	Brass	ASME B16.15, ASME BS21, ASTM B584, NSF/ANSI 61	00000000	00000

Right-Angle Tee Reducers

For Use With: Air, Drinking Water, Natural Gas, Oil
Pressure Class: 125
Specifications Met: See table
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges: Use Class 150 brass

Pipe Size
(A)	(B)	Max. Pressure	Material	Specifications Met		Each
NPT Female
3/8	1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61	00000000	000000
1/2	1/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1/2	3/8	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1/2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
3/4	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
3/4	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1	1 1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1 1/4	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/4	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1 1/4	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	00000
1 1/2	1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
1 1/2	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	3/4	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	1	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000
2	1 1/2	200 psi @ 72° F	Brass	ASME B1.20.1, ASME B16.15, NSF/ANSI 61	00000000	000000

Dual Tee Reducers

For Use With: Air, Oil, Drinking Water, Natural Gas
Pressure Class: 125
Specifications Met: ASME B1.20.1, ASME B16.15, ASTM B584, NSF/ANSI 61
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges: Use Class 150 brass

Pipe Size
(A)	(B)	(C)	Max. Pressure	Material		Each
NPT Female
3/4	1/2	3/8	200 psi @ 72° F	Brass	00000000	000000
1	1/2	3/4	200 psi @ 72° F	Brass	00000000	00000
1	3/4	1/2	200 psi @ 72° F	Brass	00000000	00000
1 1/4	1/2	1	200 psi @ 72° F	Brass	00000000	000000
1 1/4	3/4	1	200 psi @ 72° F	Brass	00000000	000000

Low-Pressure Brass Threaded Pipe Fittings with Sealant

The male threads on these fittings have a sealant applied for extra protection against leaks. Also known as Pressure Class 125 fittings, they are built for use in low-pressure applications. They are brass for good corrosion resistance.

Right-angle tees are also known as run tees.

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

Right-Angle Tee Adapters

For Use With: Air, Natural Gas, Oil, Water
Pressure Class: 125
Specifications Met: ASME B1.20.1, ASME B16.15
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges: Use Class 150 brass

NPT Female × NPT Male
Pipe Size	Max. Pressure		Each
3/8	200 psi @ 72° F	0000000	000000
1/2	200 psi @ 72° F	0000000	00000
3/4	200 psi @ 72° F	0000000	00000
1	200 psi @ 72° F	0000000	00000

Low-Pressure Plated Brass Threaded Pipe Fittings

Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.

Chrome-plated brass fittings are shinier and withstand corrosion better than nickel-plated brass fittings.

Inline tees are also known as branch tees.

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

Tee Connectors

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: 125
Specifications Met: ASME B16.15, ASTM B456
Pipe Nipples and Pipe: Use Schedule 40 brass

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure		Each
Chrome-Plated Brass
1/8	200 psi @ 72° F	125 psi @ 400° F	00000000	000000
1/4	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
3/8	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
1/2	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
3/4	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
1	200 psi @ 72° F	125 psi @ 400° F	00000000	00000

Inline Tee Reducers

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: 125
Specifications Met: ASME B16.15, ASTM B456
Pipe Nipples and Pipe: Use Schedule 40 brass

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure		Each
NPT Female
Chrome-Plated Brass
1/2	1/4	200 psi @ 72° F	125 psi @ 400° F	00000000	000000
3/4	1/4	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
3/4	1/2	200 psi @ 72° F	125 psi @ 400° F	00000000	00000

Medium-Pressure Brass and Bronze Threaded Pipe Fittings

Choose these fittings when you need better strength than our low-pressure brass and bronze pipe fittings. They offer good corrosion resistance.

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

Tee Connectors

For Use With: Air, Natural Gas, Oil, Water
Pressure Class: 250
Specifications Met: ASME B1.20.1, ASME B16.15, ASTM B584
Pipe Nipples and Pipe: Use Schedule 80 brass

NPT Female
Pipe Size	Max. Pressure	Material		Each
1/4	400 psi @ 72° F	Brass	0000000	000000
3/8	400 psi @ 72° F	Brass	0000000	00000
1/2	400 psi @ 72° F	Brass	0000000	00000
3/4	400 psi @ 72° F	Brass	0000000	00000
1	400 psi @ 72° F	Brass	0000000	000000
1 1/4	400 psi @ 72° F	Brass	0000000	000000
1 1/2	400 psi @ 72° F	Brass	0000000	000000
2	400 psi @ 72° F	Brass	0000000	000000

Bronze Unthreaded Pipe Fittings

Snap a brazing ring (sold separately) into these fittings and braze them to unthreaded pipe for a strong, leak-resistant connection. Fittings are also known as Silbraze fittings. They are bronze, which is compatible with brass and has good corrosion resistance.

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

Tee Connectors

For Use With: Air, Oil, Steam, Water, Natural Gas
Specifications Met: MIL-F-1183
Pipe Nipples and Pipe: Use Schedule 40 brass

Fittings					Brazing Rings
Pipe Size	Max. Pressure	Max. Steam Pressure		Each		Each
1/2	200 psi @ 72° F	200 psi @ 425° F	0000000	000000	0000000	00000
3/4	200 psi @ 72° F	200 psi @ 425° F	0000000	00000	0000000	0000
1	200 psi @ 72° F	200 psi @ 425° F	0000000	00000	0000000	0000
1 1/2	200 psi @ 72° F	200 psi @ 425° F	0000000	000000	0000000	0000
2	200 psi @ 72° F	200 psi @ 425° F	0000000	000000	0000000	0000