McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

1/4" to 5/8"

1/4" to 3/4"

1/4" to 7/8"

1/4" to 1"

5/16"

3/8"

7/16"

7/16" to 1 1/8"

7/16" to 1 3/16"

7/16" to 1 3/8"

1/2"

9/16"

5/8"

5/8" to 1 5/8"

5/8" to 1 7/8"

11/16"

3/4"

3/4" to 2 1/8"

3/4" to 2 5/8"

	Material Material

	Pipe Size Pipe Size

1 1/2

2 1/2

	Type Type


Connector	Expansion Joint

Reducer	Adapter

Cap	Reducing Adapter

	For Shaft Type For Shaft Type

	Round
	Keyed
	Spline

	For Shaft Misalignment Type For Shaft Misalignment Type


Angular	Parallel

Axial

	Connection Style Connection Style

	For Use With For Use With

Sodium Carbonate
(20% in Water)

Steam

Water

	OD OD

	Shaft Mount Type Shaft Mount Type


Set Screw	Clamp On

Spring Pin	Press Fit

	For Motion Type For Motion Type

Forward/Reverse

Start/Stop

Continuous

	Overall Length Overall Length

	Shape Shape


Straight	90° Elbow

Cap/Plug	Tee

	Construction Construction


One Piece	Multipiece

	Set Screw Material Set Screw Material

Steel

Stainless Steel

	Angular Misalignment Capability Angular Misalignment Capability

	Flange OD Flange OD

	For Pipe Size For Pipe Size

3/4

1 1/4

1 1/2

	Maximum Pressure Maximum Pressure

	Expansion Joint Type Expansion Joint Type

	Parallel Misalignment Capability Parallel Misalignment Capability

	Number of Set Screws Included Number of Set Screws Included

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1,846 Products

Expansion Joints

Expansion Joints with Flanged Ends

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

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
Sealing Flanged Ends

Because the flanges are molded into the body for a wide sealing surface, these expansion joints provide a tighter seal than other expansion joints.

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.

Expansion Joints with Butt-Weld Ends

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

Other Flexible Joints

Low-Pressure Clamp-On Connectors
for Drain, Waste, and Vent

Cast Iron-to-PVC Pipe Adapters
for Drain, Waste, and Vent

These adapters connect PVC waste pipe to cast iron pipe without adding bulk. Instead of securing pipes together from the outside like clamp-on couplings, these flexible adapters fit into cast iron pipe to create a tight compression seal.

Shaft Collars and Couplings

Vibration-Damping Duct Connectors

Add a flexible joint to your system to reduce vibration caused by fans and blowers.

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Expansion Joints

Expansion Joints with Flanged Ends

High-Temperature All-MetalExpansion Joints with Flanged Ends

Expansion Joints withSealing Flanged Ends

Expansion Joints with FlangedEnds for High Vibration

Chemical-Resistant ExpansionJoints with Flanged Ends