Iron and Steel ASME Pipe Flanges

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Pipe Schedule

160

XXH

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Fitting Material

Iron

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

EAR99

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306 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 Steel Unthreaded Pipe Flanges

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

FM-Approved Low-Pressure Cast
Iron Unthreaded Pipe Flanges

FM-approved for fire protection applications, these flanges are cast iron, so they're brittle and can be quickly opened by hitting them with a sledge hammer.

Low-Pressure Steel Threaded Pipe Flanges

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

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Flanges

Suitable for use in fire-protection applications, these flanges are brittle and can be quickly opened with the strike of a sledge hammer.

Low-Pressure Galvanized
Steel Threaded Pipe Flanges

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

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

Medium-Pressure Steel Threaded Pipe Flanges

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

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.

High-Pressure Steel Threaded Pipe Flanges

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

FM-Approved Iron Pipe Fittings with Flanged Ends

FM approved, these fittings are suitable for use in fire-protection systems. All have flat-surface flanged ends that only mate to another same-size flat-surface flange, pump, or valve with a gasket to create an access point in a pipeline.

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How to Identify and Measure Fittings

Iron and Steel Pipe and Pipe Fittings

Low-Pressure Steel Unthreaded Pipe Flanges

FM-Approved Low-Pressure Cast
Iron Unthreaded Pipe Flanges

Low-Pressure Steel Threaded Pipe Flanges

Low-Pressure Iron and Steel Threaded Pipe Fittings

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Flanges

Low-Pressure Galvanized
Steel Threaded Pipe Flanges

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Medium-Pressure Steel Threaded Pipe Flanges

Medium-Pressure Galvanized
Steel Threaded Pipe Flanges

High-Pressure Steel Threaded Pipe Flanges

FM-Approved Iron Pipe Fittings with Flanged Ends

How to Identify and Measure Fittings

Iron and Steel Pipe and Pipe Fittings

Low-Pressure Steel Unthreaded Pipe Flanges

FM-Approved Low-Pressure CastIron Unthreaded Pipe Flanges

Low-Pressure Steel Threaded Pipe Flanges

Low-Pressure Iron and Steel Threaded Pipe Fittings

FM-Approved Low-PressureCast Iron Threaded Pipe Flanges

Low-Pressure GalvanizedSteel Threaded Pipe Flanges

Low-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Medium-Pressure Steel Threaded Pipe Flanges

Medium-Pressure GalvanizedSteel Threaded Pipe Flanges

High-Pressure Steel Threaded Pipe Flanges

FM-Approved Iron Pipe Fittings with Flanged Ends

FM-Approved Low-Pressure Cast
Iron Unthreaded Pipe Flanges

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Flanges

Low-Pressure Galvanized
Steel Threaded Pipe Flanges

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Medium-Pressure Galvanized
Steel Threaded Pipe Flanges