Flanges and Different Application of Flanges

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Flanges and Different Application of Flanges

According to the specifications proposed by ASME B16.5 different types of flanges are being designed and proposed for industry applications. Some of the known types can be noted as welding neck joints, long welding neck, long welding necks, and slip on socket weld as well as threaded welds. They are being used for different types of flanges and are being recognized to be as one of the most cost-effective ways to facilitate connections and pipe joining. Out of many popular brands of flanges Duplex Steel Uns S31803 2205 BLRF Slip on SORF A182 F51 Flanges are being identified to be as the most useful brand due to their associated durability and cost affectivity.

Weld Neck Flange

It is one of the most common types of flanges that are being widely used for industries with more specific features like long tapered hub that can be welded into different shapes and pipes. This type of flange is the most commonly used in case of applications that require high pressure as well as low temperature, with an unrestricted flow of the fluid conveyed through the pipeline.

A negative effect is being created due to the absence of pressure drop which can further produce turbulence or corrode the metals that are in proximity.

Long weld neck flanges

They are similar to that of weld neck flanges with certain structural deviation. The neck of these types of flanges is extended, which can further act as boring extension. These types of long necked flanges are generally and most commonly used in applications which need large barrels, columns etc. These kinds of flanges are also available in heavy barrel as well as different equal barrel type flanges.

Slip on flanges

Experts have suggested as per their wide industry experience that slip on flanges have common tendency to express shorter span of services than other types of flanges available such as welding long neck flanges, etc. This may be attributed to their mechanical stress condition, absence of tapered hub which is required for distribution of stress equally to other parts of the flanges. Moreover, it has also been observed that there is an absence of two different welding areas that are required for even distribution of stress.

Threaded flange

These types of flanges are required to be connected with the help of pipes allowing easy screwing with other types of pipes without any welding option requirements. These types of flanges are available in multiple options with variable sizes and pressure ratings. However, these types of flanges are primarily being used for connecting pipes below 2 inch thickness above schedule 80.

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