What is the purpose of a weld neck flange?

A weld neck flange, also called a tapered hub flange or high-hub flange, is a kind of flange that can relocate stress to the pipes, ensuring a decrease in high-stress concentration at the bottom of the flange.

What is the difference between a weld neck flange and a slip on flange?

The Weld Neck Flange offers increased strength under higher pressures, subzero or elevated temperatures that cause line expansion or retraction or other variable forces. The Slip On Flange is designed to be welded to pipe then a fitting as fittings are designed for butt weld connections.

What are the types of flanges?

Most commonly used flanges are weld neck flange, slip on flange, blind flange, socket weld flange, threaded flange and lap joint flange (RTJ Flange). This type of connection in a pipe flange allows for ease of disassembly and separation for repair and regular maintenance.

What is a flange used for?

Flanges are used to connect pipes with each other, to valves, to fittings, and to specialty items such as strainers and pressure vessels. A cover plate can be connected to create a “blind flange”. Flanges are joined by bolting, and sealing is often completed with the use of gaskets or other methods.

What is a welding flange?

A weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant. Generally machined from a forging, these flanges are typically butt welded to a pipe.

What is the purpose of a flange?

What are the two main types of flanges?

We usually consider two main families of flanges, the standard flanges and the special ones.

Where is flange used?

Why is flange used?

What is socket weld flange?

Socket-weld pipe flanges are typically used on smaller sizes of high pressure pipes. These pipe flanges are attached by inserting the pipe into the socket end and applying fillet weld around the top. This allows for a smooth bore and better flow of the fluid or gas inside of the pipe.

How are flanges welded to pipes?

JOINTS FOR PROCESS PIPING SYSTEMS As with the weld neck, these flanges are generally made from forged steel. The flange and the pipe are joined together by a circumferential fillet weld, which is cheaper than a butt weld; however, this method of jointing is less effective and, therefore, generally used in sizes 2 in.