Iron and Steel Raised-Face Pipe Flanges | McMaster-Carr

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150 psi @ 300° F

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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.

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Iron and Steel Pipe and Pipe Fittings

Low-Pressure Steel Unthreaded Pipe Flanges

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.

Low-Pressure Steel Threaded Pipe Flanges

Low-Pressure Steel Threaded Pipe Flanges

These flanges are for low-pressure applications in noncorrosive environments.

Low-Pressure Galvanized
Steel Threaded Pipe Flanges

Low-Pressure Galvanized Steel Threaded Pipe Flanges

The galvanized finish on these Pressure Class 150 flanges provides fair corrosion resistance.

Medium-Pressure Steel Threaded Pipe Flanges

Medium-Pressure Steel Threaded Pipe Flanges

With better strength than our low-pressure steel flanges, these are for use in medium-pressure applications.

High-Pressure Steel Threaded Pipe Flanges

High-Pressure Steel Threaded Pipe Flanges

Also known as Pressure Class 1500 steel flanges, these have the strength to handle high pressures.

Medium-Pressure Galvanized
Steel Threaded Pipe Flanges

Medium-Pressure Galvanized Steel Threaded Pipe Flanges

Also known as Pressure Class 300 flanges, these medium-pressure flanges have a galvanized finish for fair corrosion resistance.

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