ABA Safe™ utilizes the flexibility of the hose (rubber) and protects soft hoses against damage. The profile beads increase the clamp pressure locally, which means the clamp can also be used for plastic piping that is relatively resistant to deformation.
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Technical function - Safe™
Illustration 1
On tightening, the waveshaped band causes maximum compression of the rubber at the two beads. The rubber is squeezed inwards towards the middle and outwards towards the edges. As the rubber between the two beads is only marginally affected it retains its elasticity and acts as an "O"ring.
Illustration 2
On heating the band the "O"ring flattens out. As it cools down it will assume its original shape and seal against the end fitting. The design of the Safe™ clamp makes is particularly suitable for soft hoses with relatively thick walls. Plastic piping that is relatively resitant to compression can often be sealed due to the increased pressure at the profile beads.