Iron Pipe Couplings | McMaster-Carr

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	Pipe Size Pipe Size

	Thread Type Thread Type

	Type Type


Connector	Union

Reducer	Bushing

Reducing Adapter	Pipe

Adapter	Clamp

Stub End

	Material Material

	Finish Finish

	Connection Style Connection Style

O-Ring Face Seal

	Threading Threading

Threaded on Both Ends

Threaded on One End

	Schedule Schedule


40	80

160	XXH

	Shape Shape


Straight	Tee

	For Use With For Use With

	Gender Gender

	System of Measurement System of Measurement

	Length Length

	Connection Type Connection Type


Pipe	Hose

Tube

	Maximum Pressure Maximum Pressure

15 psi @ 72° F

100 psi @ 72° F

125 psi @ 72° F

150 psi @ 72° F

175 psi @ 72° F

200 psi @ 72° F

250 psi @ 72° F

285 psi @ 72° F

300 psi @ 72° F

600 psi @ 72° F

750 psi @ 72° F

1,000 psi @ 72° F

1,100 psi @ 72° F

1,200 psi @ 72° F

1,400 psi @ 72° F

1,500 psi @ 72° F

1,800 psi @ 72° F

2,000 psi @ 72° F

2,100 psi @ 72° F

2,200 psi @ 72° F

2,300 psi @ 72° F

2,500 psi @ 72° F

3,000 psi @ 72° F

3,100 psi @ 72° F

3,300 psi @ 72° F

3,500 psi @ 72° F

3,600 psi @ 72° F

3,750 psi @ 72° F

3,800 psi @ 72° F

4,000 psi @ 72° F

4,250 psi @ 72° F

4,350 psi @ 72° F

4,400 psi @ 72° F

4,500 psi @ 72° F

4,600 psi @ 72° F

4,650 psi @ 72° F

4,900 psi @ 72° F

5,000 psi @ 72° F

5,100 psi @ 72° F

5,250 psi @ 72° F

5,450 psi @ 72° F

5,500 psi @ 72° F

5,600 psi @ 72° F

5,800 psi @ 72° F

6,000 psi @ 72° F

6,100 psi @ 72° F

6,150 psi @ 72° F

6,400 psi @ 72° F

6,500 psi @ 72° F

6,700 psi @ 72° F

6,800 psi @ 72° F

7,000 psi @ 72° F

7,300 psi @ 72° F

9,700 psi @ 72° F

3,000 psi @ 100° F

	Wall Thickness Wall Thickness

	ID ID

	Construction Construction

	Class Class

	For Pipe Material For Pipe Material

	Specifications Met Specifications Met

ANSI

ANSI/ASME

CISPI

DIN

Fed. Spec.

FM

International Fuel Gas
Code

ISO

MSS

SAE

UL

Uniform Mechanical Code

UPC

	Body Shape Body Shape


Hex	Hex with Lugs

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4,374 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.

More

Pipe, Tubing, Hose, and Fittings

Low-Pressure Iron and Steel
Threaded Pipe and Pipe Fittings

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Use in low-pressure applications up to 285 psi.

High-Pressure Iron and Steel
Threaded Pipe and Pipe Fittings

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Use in high-pressure applications up to 6,000 psi.

Medium-Pressure Iron and Steel
Threaded Pipe and Pipe Fittings

Use in medium-pressure applications up to 1,400 psi.

Extreme-Pressure Steel
Threaded Pipe and Pipe Fittings

testString

Use in extreme-pressure applications up to 10,000 psi.

Iron and Steel Unthreaded
Pipe and Pipe Fittings

Pipe and fittings weld together for a permanent connection that is stronger and less likely to leak than threaded and clamp-on connections.

Iron and Steel Pipe
Fittings with Flanged Ends

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Bolt the flanged end of these fittings to another same-size flange, pump, or valve with a gasket to create an access point in a pipe line.

Iron and Steel Clamp-On
Pipe and Pipe Fittings

Pipe and fittings connect with a clamp, so they can be taken apart as needed for maintenance and repair.

Plastic Pipe and Pipe Fittings

Plastic Pipe and Pipe Fittings

Plastic pipe and pipe fittings are lighter in weight than metal pipe and pipe fittings. They are typically for low- to medium-pressure applications up to 1,000 psi.

Tube Fittings for Steel Tubing

Fittings have fair corrosion resistance. They are more economical than other metal tube fittings.

Hose Fittings

Connect these fittings to lengths of hose. Hose fittings are typically used in high-flow, suction, and hydraulic applications.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)