Rubber bellow is the best choice for plumbing system which is working pressure is up to 10 Bars. Rubber expansion joint absorbs vibration and noise with its soft body which is resistant up to 90 centigrade. For more pressure and temperature metal bellows expansion joints are better choice.
Expansion bellow protects system from oscillation of dynamic system. They have special bellows design for vibration. It has ability to absorb sounds and noise from system.