Slip-On Weld Connectors | McMaster-Carr

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	Pipe Size Pipe Size

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

	Type Type


Adapter	Flange

Reducing Adapter

	Connection Style Connection Style	Show

Slip-On Weld

	Connection Style Connection Style	Hide

	Material Material

Aluminum

Stainless Steel

Steel

	Pressure Class Pressure Class

	Flanged Connection Surface Flanged Connection Surface


Raised	Flat

	For Pipe Material For Pipe Material

Aluminum

Stainless Steel

Steel

	Number of Bolt Holes Number of Bolt Holes

	For Pipe Schedule For Pipe Schedule

Any

	Flange OD Flange OD

	For Use With For Use With

	Bolt Circle Diameter Bolt Circle Diameter

	Specifications Met Specifications Met

	Bolt Hole Diameter Bolt Hole Diameter

	For Bolt Diameter For Bolt Diameter

	Maximum Steam Pressure Maximum Steam Pressure

	Shape Shape

	Straight

	Connection Type Connection Type

	Pipe

	Maximum Pressure Maximum Pressure

	Gender Gender

Female

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

RoHS Compliant

	Fabrication Fabrication

Forged

Cast

	Certification Certification

Material Certificate with
Traceable Lot Number and
Test Report

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173 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.

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Bolt two same-size flanges together with a gasket to create an access point within a pipe line.

High-Pressure Stainless Steel Unthreaded Pipe Flanges

Use these heavy duty forged flanges for high-pressure applications.

Low-Pressure Steel Unthreaded Pipe Flanges

Bolt two flanges of the same size together with a gasket to create an access point in a pipe line.

High-Pressure Steel Unthreaded Pipe Flanges

Forged for extra strength, these heavy duty unthreaded flanges can withstand high-pressure applications.

Extreme-Pressure Steel Unthreaded Pipe Flanges

For excellent strength in extreme-pressure applications, choose these heavy duty Pressure Class 1500 flanges.

Aluminum Unthreaded Pipe Flanges

Use these unthreaded flanges in low-pressure applications. Also known as Pressure Class 125 flanges.

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