The function of loose sleeve flange to welded ring

The loose sleeve flange of the welding ring is a movable flange piece, which is usually matched with the water supply and drainage fittings. When the factory leaves the factory, both ends of the telescopic joint have a piece of flange, which is directly connected with the pipe and equipment in the project with bolts.(What is a loose flange?)

Lap joint flange or loose flange finished in Haihao Group

Function of loose sleeve flange to welded ring:

The purpose of loose sleeve flange with butt welding ring is generally to save materials. The structure is divided into two parts, one end of the pipe is connected to the pipe, and the other end is made into butt welding ring.

The flange is made of low grade material, while the pipe part is made of the same material as the pipe, so as to save materials.

Advantages of loose sleeve flange to welded ring:

Cost saving, when the pipe material is special and expensive, the cost of welding flange of the same material is high.

Not convenient for welding or processing or required strength, such as plastic pipe, glass pipe and so on.

Convenient for construction, such as connecting flange bolt hole is not easy to align or prevent future replacement equipment flange bolt hole changes.

Disadvantages of loose sleeve flange to welded ring:

Low pressure and low strength at the welding ring (especially when the thickness is less than 3mm)