Expansion Couplings | McMaster-Carr

	Pipe Size Pipe Size

1 1/2
2
2 1/2
3
4
5
6
8
10
12

	Type Type


Connector	Expansion Joint

	Connection Style Connection Style

Flanged

Clamp On

Butt Weld

	Material Material

Rubber

Plastic

Stainless Steel

	For Use With For Use With

Sodium Carbonate
(20% in Water)

Steam

Water

	Length Length

	Maximum Temperature Maximum Temperature

	Number of Bolt Holes Number of Bolt Holes

	Flange Material Flange Material

Steel

Rubber

Iron

	Bolt Hole Type Bolt Hole Type

Unthreaded

Threaded

	Flange OD Flange OD

	Expansion Joint Type Expansion Joint Type

	Maximum Pressure Maximum Pressure

	Compression Distance Compression Distance

	Burst Pressure Burst Pressure

	Maximum Vacuum Maximum Vacuum

	Expansion Distance Expansion Distance

	Minimum Temperature Minimum Temperature

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

DFARS Specialty Metals
COTS-Exempt

	Offset Distance Offset Distance

	Reinforcement Material Reinforcement Material

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

RoHS Compliant

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

REACH Compliant

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Selecting and Measuring Expansion Joints

For information about selecting pipe size, see Selecting and Measuring Pipe & Fittings.

Expansion Joints with Flanged Ends

The flanged ends on these expansion joints rotate for easy bolt hole alignment during installation.

Expansion Joints with Sealing
Flanged Ends for Metal Pipe

Expansion Joints with Sealing
Flanged Ends for Plastic Pipe

High-Temperature All-Metal
Expansion Joints with Flanged Ends

These all-metal expansion joints can handle high temperatures up to 800° F.

Expansion Joints with Flanged Ends for High Vibration

These expansion joints have a double-bulb design for extra movement and vibration absorption.

Chemical-Resistant Expansion Joints with Flanged Ends

The PTFE body on these expansion joints has a super-smooth surface that stands up to corrosive chemicals.

Clamp-On Expansion Joints

Slip these joints over your pipe ends and tighten the band clamps for a secure hold.

Clamp-On Expansion Joints for Drain, Waste, and Vent

These joints are designed for vertical use in drain, waste, and vent systems.

Expansion Joints with Butt-Weld Ends

These joints weld to unthreaded pipe or another butt-weld fitting for a leak-resistant permanent connection.

Selecting and Measuring Expansion Joints

Expansion Joints

Expansion Joints with Flanged Ends

Expansion Joints with SealingFlanged Ends for Metal Pipe

Expansion Joints with SealingFlanged Ends for Plastic Pipe

High-Temperature All-MetalExpansion Joints with Flanged Ends

Expansion Joints with Flanged Ends for High Vibration

Chemical-Resistant Expansion Joints with Flanged Ends

Clamp-On Expansion Joints

Clamp-On Expansion Joints for Drain, Waste, and Vent

Expansion Joints with Butt-Weld Ends

Expansion Joints with Sealing
Flanged Ends for Metal Pipe

Expansion Joints with Sealing
Flanged Ends for Plastic Pipe

High-Temperature All-Metal
Expansion Joints with Flanged Ends