Stainless Steel Flanges are used to connect pipes, valves, pumps, and other equipment in piping systems. They help prevent leaks, making them an essential part of industrial processes and applications like oil & gas refining, chemical processing, and water treatment. Stainless steel flanges are durable, have excellent corrosion resistance, and can withstand high temperatures and pressures. They are also easier to clean and maintain than other types of flanges.

The type of stainless steel used to make a flange will depend on its intended use. Grades 304 and 316 are the most common, but higher-end grades of stainless steel such as austenitic and ferritic alloys offer improved corrosion resistance. For instance, 316L is better suited for marine environments because it resists corrosion from warm seawater better than 304L does.

Inconel 625 Pipe: A Versatile Alloy for High-Temperature and Corrosive Environments

Choosing the right flange for an application depends on the operating conditions and the specific requirements of the pipeline system. For example, if you’re transporting chemicals or hazardous materials, you’ll want to select the proper flange based on its chemical composition and temperature ratings. You’ll also need to take into account any fugitive emission laws in your area.

Stainless steel flanges come in many varieties to suit different needs, including weld neck, slip-on, and blind. Weld neck flanges have protruding necks that can be welded to the end of a pipe, making them suitable for demanding conditions where the flange will see high-pressure and temperature changes. Slip-on flanges have a larger diameter than the pipe, and they slide on to it before being fillet welded in place. These flanges are typically used for noncritical, low-pressure applications because they’re easy to install.