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What Is a Flange?

what is a flange?

Flange, also called Flange, is a part that connects pipes to each other and is used for the connection between pipe ends; it is also used as a flange on the inlet and outlet of equipment to connect between two equipment.

Flange connection or flange joint refers to a detachable connection in which flanges, gaskets and bolts are connected to each other as a set of combined sealing structures. Pipe flange refers to the flange used for piping in the pipeline installation, and refers to the inlet and outlet flanges of the equipment when used on equipment



There are holes on the flange and bolts make the two flanges tightly connected. The flanges are sealed with gaskets. The flange is divided into threads to connect the flange, the welding flange and the clamp flange.

Flanges are used in pairs, low pressure pipes can use wire connection flanges, and welding flanges for pressures above 4 kg. A gasket is added between the two flanges and then tightened with bolts. The thickness of flanges with different pressures is different, and the bolts they use are also different. When water pumps and valves are connected to pipelines, the parts of these equipments are also made into corresponding flange shapes, also called flange connections

All connecting parts that are connected by bolts on the periphery of two planes and are closed at the same time are generally called "flanges", such as the connection of ventilation pipes. This kind of parts can be called "flange parts". But this kind of connection is only a part of the equipment, such as the connection between the flange and the water pump, it is not good to call the water pump "flange parts". Smaller ones, such as valves, can be called "Flange Types parts".

Flanges are widely used, and are widely used in basic projects such as industry, shipbuilding, water supply, chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire fighting, electric power, aerospace, shipbuilding, etc.

The company also provides Stainless Steel Pipe, please feel free to contact us if necessary.


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