What is sealing?

The definition of sealing is the process of fastening or closing something securely. In clamping, there are two main theories on sealing.

1. Flexibility makes the seal
For softer hoses the complete clamp needs to be as flexible as possibly can. Enhanced flexibility of the clamp will result in faster and better sealing. The reason for this flexibility is to adapt to the hose in the best possible way and to reduce the friction and deformation forces of the clamp being screwed or pinched.
2. Strength makes the seal
With the larger and harder hoses, which are often reinforced by metal or plastic spiral (for suction purposes), the material between the spiral is generally softer than the hard spiral. With the brute force of the clamp the softer material is pressed towards the barbs of the coupling.