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The relationship between the steel tube and flange

A discoid flange parts, the most common in the pipeline, flanges are used in pairs. In the pipeline project, mainly used for steel pipe flange connection. The need to connect the pipe, flange mounted with a low pressure pipeline, can use the wire connected flange, 4 kg more than the use of pressure welding flange. Between the two flange and a seal point, and then the bolt fastening. Different pressure flange with different thickness and the use of different bolt. Pumps and valves, and pipes connected in time, these equipment locally, also made the corresponding flange shape, also known as the flange connection. Usually there are two planes in the peripheral using bolt connection at the same time the closed connecting parts, generally referred to as "flange", such as ventilation pipeline connection, the parts can be called "flange type parts". But this connection is only a partial of a device, such as a connecting flange and a water pump, water pump is not good to call "flange type parts". Relatively small such as valves and so on, can be called "flange type parts".
Flange connection is an important connection pipeline construction.

Flange connection is to the two pipes, fittings or equipment, each first fixed in a flange, the flange between the two, coupled with the flange gasket, fastened together with bolts to complete the connection. Some fittings and equipment have built flange, flange connection also belongs.

Sub threaded flange connection (screwed) flange and welding flange. Low voltage and small diameter wire connected flange, high pressure and low pressure are the use of large diameter welded flange, different pressure flange thickness and bolt diameter and the number is different.

According to different levels of pressure, flange pad also has a variety of materials, from the low pressure and high pressure asbestos asbestos pad pad to the metal pads are.

Flange connections easy to use, able to withstand greater pressure.

In the industrial pipeline flange connection, use is very extensive. Within the family, small diameter pipes, but also low pressure, see flange connection. If a boiler room or a production site, everywhere is the flange connection of pipes and equipment.

The large flange exciting flange plate flange convex flange stainless steel flange finished flange forged steel flange forging method Lan Gai non-standard flange ring connection flange blind cover raised face flange standard butt welding neck flange slip on neck flange.