Pipe Flanges, Orifice Flanges, Slip-on Pipe Flanges, Blind Pipe Flanges

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Things You Should Know Before Selecting Pipe Flanges

Pipe flanges are mechanical connectors, usually used to attach two different pipes or to connect a pipe with a pipe fitting component. Using pipe flanges is a proven technique to ensure that the pipe system could be easily disassembled, when required. They come in various shapes, sizes, and forms, such as ribs, rims, collars, and edges, and are easily available from various supplier stores. Selecting among them can be quick tricky, if you donít have knowledge of certain things about their designs, dimensions, and types. Read this article to know some important facts about pipe flanges, so that you can take an informed decision when selecting them.

What to Consider when Selecting Pipe Flanges

You need to make a selection based on your individual purpose and requirement. In general, the following aspects need to be considered when taking a decision.

  • Designs - Pipe flanges are available in a wide variety of designs. Each design is best suited for some specific applications. As such, you should choose a design based on your purpose of application. Let's take a quick look at the different types of designs available out there.

    • Lap joint pipe flanges - They feature a curved radius both at the face and at the bore. This ensures that they can be easily fitted with lap joint stub ends. Moreover, they can be adjusted around the pipe even after welding, which is what makes them a perfect choice for the pipe systems that often require disassembling.

    • Slip-on pipe flanges - These are ideal for those looking for hassle-free and cost effective installation. These are often used for low pressure applications.

    • Blind pipe flanges - These should be used when you need to close a pipe or equipment. They usually come in round shapes, and are often used for testing flow pressure.

    • Socket weld pipe flange - If you are looking for one that offers smooth bore and better fluid flow, then this is the choice for you. These are designed to fit small-sized pipes at high pressure ratings.
  • Dimensions - Pipe flanges are usually designed in standardized sizes and dimensions. The standard is regulated by the American Society of Mechanical Engineers (ASME) in the United States. Some other common world standards include DIN for Europe, ANSI for the U.S. and JIS for Japan and Korea. The outside diameter, thickness, pipe size, and bore circle diameter should be taken into consideration as well.

These are some important things to know and consider when selecting flange pipes. For best results, you should buy these things from an acclaimed brand.


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