PEX Reducers | McMaster-Carr

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	For Tube ID For Tube ID

	Shape Shape

	Straight
	90° Elbow
	Tee

	Connection Style Connection Style

Barbed

	Type Type	Show

	Reducer

	Type Type	Hide


Adapter	Connector

Reducer

	Connection Type Connection Type

	Tube

	Material Material

PPSU

	For Use With For Use With

Drinking Water

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Specifications Met Specifications Met

NSF/ANSI

ASTM F2159

	Minimum Temperature Minimum Temperature

32° F

	Gender Gender

Male

	Length Length

16 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.

Temperature Range: 32° to 180° F
Tubing: Use with hard polyethylene plastic
Specifications Met: See table

Connect these fittings to tubing with a ring and a crimping tool (both sold separately). They have multiple barbs that grip onto tubing. Fittings are compatible with Viega PEX fittings. Safe to use with drinking water, these fittings meet the strict standards of NSF/ANSI 61.

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

Straight Reducers, Tube

For Tube ID (A)	For Tube ID (B)	Material	Max. Pressure	Specifications Met		Each
1/2"	3/8"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	00000
11/16"	1/2"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	0000
7/8"	11/16"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	0000

90° Elbow Reducers, Tube

For Tube ID (A)	For Tube ID (B)	Material	Max. Pressure	Specifications Met		Each
11/16"	1/2"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	00000

Inline Tee Reducers, Tube

Inline tees are also known as branch tees.

For Tube ID (A)	For Tube ID (B)	Material	Max. Pressure	Specifications Met		Each
1/2"	11/16"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	0000000	00000
11/16"	1/2"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	0000
11/16"	7/8"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	0000
7/8"	11/16"	PPSU	160 psi @ 72° F	ASTM F2159, NSF/ANSI 61	00000000	0000

Crimping Tools

Crimping Tool

For Tube ID	Material		Each
3/8"	Steel	0000000	0000000
1/2"	Steel	0000000	000000
11/16"	Steel	0000000	000000
7/8"	Steel	00000000	000000

Crimping Rings

For Tube ID	Material	Pkg. Qty.		Pkg.
3/8"	Copper	5	0000000	00000
1/2"	Copper	5	0000000	0000
11/16"	Copper	5	0000000	0000
7/8"	Copper	5	0000000	0000

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How to Identify and Measure Fittings

Barbed Tube Fittings for Drinking Water