What are flanges used for?

A flange is a piece of machinery that can be utilized to manually connect two pipes. This can also link a pipe to a junction, valve, damper, or any other piece of machinery that makes up a piping system. The flanges are pipeline components that enable the part connection. They can be ordered separately or as a component that is pre-attached at the manufacturing facility to another part like a valve, pump, or another component. Renowned flange manufacturers in the UAE like Delta Duct are very particular about the quality of the products manufactured.

Flanges are often threaded or welded, and two flanges are joined by bolting them along with gaskets to create a closure that allows simple access to the pipe network. Such flanges come in a variety of configurations, including socket weld, slip-on, weld neck, and blind flanges.

Listed below are a few major types of flanges and their uses:

Weld-neck flanges

Weld neck flanges also known as high-hub flanges or tapered flanges are supplied by many flanges suppliers in the UAE. The pressure inside a pipe can be changed by using one with a weld neck flange. This aids in preventing pressure from building up and concentrating at the flange's base. Pipelines with both low and high pressure can be used with weld neck flanges.

Slip-on flanges

A ring covering a pipe terminal serves as the only component of a slip-on flange. To attach soldered beading to the inner diameter of the pipeline, the flange face stretches across a significant distance. Additionally, these flanges slip over the pipe, as their name would imply. For the flange's ring to fit snugly around the pipe, the flange's dimension must be greater than the pipe's outer diameter. The slip-on flanges are incapable of withstanding high-pressure flow. As a result, slip-on flanges work best in low-pressure situations.

Socket weld flanges

It is frequently not recommended to use socket weld flanges for important services because they are only externally joined by a single fillet weld. These are typically employed with small-bore lines. Their load capacity is 50% greater than double-welded slip-on flanges, but their static strength is the same as slip-on flanges. To guarantee an appropriate bore length for this kind of flange, the width of the connected pipe should be specified.

Blind flanges

To cover the endpoints of pipes, valves, and pressure vessel openings, blind flanges are manufactured without a bore. The most overworked flange types from the perspectives of internal stress and bolt loads are blind flanges, particularly in larger diameters. However, since many of these loads are bending kinds around the core and the inner diameter is not regulated, these flanges are perfect for systems that have higher temperature ranges and pressures.

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