4“ DN100 Double Sphere Hypalon Rubber Expansion Joint

The rubber expansion joint is a flexible connecting element used in pipeline systems. It is composed of components such as rubber balls (inner rubber layer, reinforcing layer, and outer rubber layer), flanges or threaded joints, etc. 
Main features:
1. High elasticity: Excellent elongation and compression properties, capable of withstanding displacements in multiple directions.
2. High airtightness: Good sealing performance, preventing medium leakage.
3. Resistance to media: Suitable rubber types can be selected based on the transported medium, with a wide range of applications.
4. Light weight: Compared to metal compensators, the weight is significantly reduced, making installation and maintenance convenient.
5. Economical price: The manufacturing cost and maintenance cost are usually lower than those of metal compensators.
Application fields 
This type of joint is particularly suitable for the following complex working conditions: 
Pump inlet and outlet: This is the most common application. It can compensate for the huge thrust when the pump starts and the settlement of the pipeline, facilitating the installation and alignment of the pump. 
Near the valve: Absorbs the water hammer impact and pipeline stress generated during the opening and closing of the valve. 
Heat exchanger, cooling tower: Compensation device for thermal displacement between the equipment and the pipeline.