Different Types of Flanges and their Advantages

Flange is the important part to connect two steel pipes that can be directly welded together, but it is difficult to connect without welding. When the connection part has problems, it will be hard to repair. The same problem also happened between the pipe and valve connection. Hence, a flange is used to connect them. We, K.K. Industries are professional Stainless Steel Flanges Manufacturers in India. There are many different flange standards to be found worldwide. Some of the types of flanges include:

Slip on Flange

The slip on flange welding is also simplified as SO flange. It is used by inserting the pipe into the inner hole of the flange, as the flange’s inner diameter is a little bigger than the pipe’s OD, the parts could be connected by lap welding at the top and bottom of the flange. Slip on steel pipe flange normally with raised face (RF) or flat face (FF), and is also available in TG and MFM. Slip on pipe flange is suitable for lower pressure, general temperature, and normal circumstance pipelines. It is easy to install and with lower cost/price, has been most used in the common industries.

Threaded Flange

The threaded flange is the flange with threads in its inner surface, as to connect the threaded pipe. The advantage of this connection type is non-welding, so it is very convenient to install, and easy to repair. Threaded flange could be made of alloy steel, which has higher strength but bad welding performance. On the other hand, it could not use in extreme conditions as the temperature more than 260 ℃ or lower than -45℃, to avoid leakage.

Lap Joint Flange

The lap joint flange set the flange on the pipe end by using a steel ring and flanging. The flange could be moved at the end of the pipe. Steel ring or flanging is the sealing surface, with a flange to press them together. Because of the steel ring or the flanging block, the lap joint flange will not contact the liquid. So it applies to corrosion-resistant pipelines.

Flange is usually used for connecting pipes or valves. The flange connection type usually comes with double units, with a gasket and some bolts & nuts to connect each other. We produce various types of flanges being one of the best Stainless Steel Flanges Manufacturers in India. Contact us for steel products with complete specifications and supreme quality!

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