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Blind flanges are essential components in piping systems, used to block off a section of pipe or a nozzle opening. There are several types of blind flanges available, each with its own unique features and uses. In this guide, we will explore the different types of blind flanges and how they are used in various applications.
Raised Face Blind Flanges:
Step 1: Raised face blind flanges feature a raised ring around the bore, which helps to center the gasket and provide a seal between the flange and the mating surface.
Step 2: These flanges are commonly used in applications where there is a need for a secure and leak-proof connection, such as in high-pressure piping systems.
Flat Face Blind Flanges:
Step 1: Flat face blind flanges have a flat bearing surface without a raised ring, which allows for easier alignment during installation.
Step 2: These flanges are often used in applications where the mating surface is flat and there is no need for a raised ring to center the gasket.
Ring Type Joint Blind Flanges:
Step 1: Ring type joint blind flanges feature a machined groove on the flange face, which is used to accommodate a metal ring gasket.
Step 2: These flanges are used in high-pressure and high-temperature applications, where a metal-to-metal seal is required to prevent leakage.
Threaded Blind Flanges:
Step 1: Threaded blind flanges have internal threads around the bore, which allow for easy installation and removal with the use of a threaded bolt.
Step 2: These flanges are often used in applications where frequent maintenance or inspection is required, as they can be easily removed and replaced.
Conclusion:
Blind flanges come in various types to suit different applications and requirements. Whether you need a raised face, flat face, ring type joint, or threaded blind flange, each type offers unique features and benefits. By understanding the different types of blind flanges available, you can choose the most suitable option for your specific piping system needs.
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