Working Principle Of Bellows

The working principle of bellows is to achieve compensation, shock absorption, vibration isolation and other functions for pipelines or mechanical equipment by generating radial displacement of the medium under the action of the pressure difference between the inside and outside of the bellows. When the pressure of the medium inside the bellows is greater than the pressure of the external medium, an outward pressure will be generated inside the bellows, causing the bellows to displace; conversely, when the pressure of the external medium is greater than the pressure of the internal medium, an inward pressure will be generated inside the bellows, causing the bellows to displace. The greater the pressure difference between the inside and outside of the bellows, the greater the displacement.