FM Approved Pipe Nipples and Pipe

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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.

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.

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Suitable for use in fire-protection applications, these pipe fittings are made of cast iron, so they are brittle and can be quickly opened with the strike of a sledge hammer.

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.

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.

Standard-Wall Grooved-End
Steel Pipe Nipples and Pipe

This steel pipe has grooved ends that connect to fittings with a clamp (sold separately) for an easy way to install piping systems.

Grooved-End Iron Pipe Fittings

The grooved ends on these iron fittings connect to pipe with a clamp to easily install piping systems.

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

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Flanges

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

FM-Approved Low-Pressure Cast
Iron Unthreaded Pipe Flanges

Standard-Wall Grooved-End
Steel Pipe Nipples and Pipe

Grooved-End Iron Pipe Fittings

FM-Approved Iron Pipe Fittings with Flanged Ends

How to Identify and Measure Fittings

Iron and Steel Pipe and Pipe Fittings

FM-Approved Low-PressureCast Iron Threaded Pipe Flanges

FM-Approved Low-PressureCast Iron Threaded Pipe Fittings

Medium-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

FM-Approved Low-Pressure CastIron Unthreaded Pipe Flanges

Standard-Wall Grooved-EndSteel Pipe Nipples and Pipe

Grooved-End Iron Pipe Fittings

FM-Approved Iron Pipe Fittings with Flanged Ends

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Flanges

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

FM-Approved Low-Pressure Cast
Iron Unthreaded Pipe Flanges

Standard-Wall Grooved-End
Steel Pipe Nipples and Pipe