Class 1500 Pipe Flanges | McMaster-Carr

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600 psi @ 72° F

1,000 psi @ 72° F

3,000 psi @ 72° F

3,700 psi @ 72° F

6,000 psi @ 72° F

3,000 psi @ 100° F

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3,200 psi @ 300° F

300 psi @ 360° F

1,500 psi @ 700° F

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355 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.

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Iron and Steel Pipe and Pipe Fittings

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.

High-Pressure Iron and Steel Threaded Pipe Fittings

High-Pressure Iron and Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

Extreme-Pressure Steel Threaded Pipe Fittings

Extreme-Pressure Steel Threaded Pipe Fittings

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

Extreme-Pressure Steel Unthreaded Pipe Flanges

Extreme-Pressure Steel Unthreaded Pipe Flanges

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

Extreme-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Extreme-Pressure Socket-Connect Steel Unthreaded Pipe Fittings

Also known as Pressure Class 6000 fittings, these heavy duty forged fittings are the strongest steel fittings we offer.

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