Description

Expansion joint is a flexible structure arranged on the container shell or pipe to compensate for additional stress caused by temperature difference and mechanical vibration.The effective expansion deformation of the bellows of the main working body is used to absorb the size changes of the pipeline, pipe and container caused by expansion and contraction of heat and cold, or to compensate the axial, lateral and angular displacement of the pipeline, pipe and container.

Classification

A.Metal expansion joint

① Bent expansion joint

It is an expansion joint which compensates by the elastic deformation capacity of the body.Its advantages are good strength, long life, can be made in the field, the disadvantage is that the space is large, the consumption of steel and friction resistance.This expansion joint is widely used in all kinds of steam pipes and long pipes.

②Bellows expansion joint

It can be stretched along the axis of the pipe, but also allows a small amount of bending.

③Sleeve expansion joint

The compensation of thermal expansion is achieved by sliding movement of the outer sleeve of the sliding sleeve.Used to compensate the axial expansion and axial rotation of the pipe at any Angle.

B.Non-metallic expansion joints

①Rubber duct expansion joint

It is composed of rubber and rubber one fiber fabric composite material, steel flange, sleeve, heat insulation material, mainly used for flexible connection between various fans and air ducts.

②Fabric expansion joint

The fabric compensator is mainly made of fiber fabric, rubber and other high temperature resistant materials.It can compensate the vibration and pipe deformation of fan and duct.Fiber fabric expansion joint can compensate axial, transverse, angular and other products.

technical parameters  （Customized to the site)

1. Size
2. Length
3. Temperature
4. Pressure
5. Medium
6. Material