Flanges are used to connect pipes, valves, pumps, and other equipment in various industrial applications. There are several types of flanges available, including:

  1. Weld Neck Flange: This type of flange is designed to be butt-welded to the pipe. It has a long tapered hub, which helps to reduce stress on the pipe and provides a smooth transition for the flow of fluid.
  2. Slip-On Flange: This type of flange slides onto the pipe and is then welded in place. It is a popular type of flange because it is easy to install and is less expensive than some other types of flanges.
  3. Socket Weld Flange: This type of flange is designed to be welded to the pipe using a socket weld connection. It is similar to a slip-on flange but has a socket at the bore to receive the pipe.
  4. Blind Flange: This type of flange is used to seal off the end of a pipe or valve. It is typically used in applications where future expansion or maintenance may be required.
  5. Threaded Flange: This type of flange has a threaded bore, which allows it to be screwed onto the pipe. It is commonly used in low-pressure applications and is easy to install and remove.
  6. Lap Joint Flange: This type of flange is designed to be used with a stub end, which is a short piece of pipe that has a welded-on flange. The lap joint flange slides over the stub end and is then bolted in place.
  7. Orifice Flange: This type of flange is used in applications where the flow of fluid needs to be measured or regulated. It has a special hole in the center that is designed to hold an orifice plate.

These are just a few of the most common types of flanges. There are many other specialized flanges available for specific applications, including high-pressure and high-temperature applications. It’s important to select the right type of flange for your specific needs to ensure a safe and reliable connection.


Lewis Liu

Hello, I am Lewis Liu, a professional sales engineer with over ten years of experience in the flange fittings industry. I am highly knowledgeable in flange selection, installation, and maintenance. I am passionate about providing customers with the best solutions to ensure their pipeline systems run smoothly, safely, and reliably.

If you have any questions or concerns regarding flange fittings for your pipelines, whether it’s about selection, material choice, specification requirements, or any other aspect, please feel free to contact me at any time. I am committed to offering professional advice and assistance to help you make informed decisions and meet your needs.

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