Joint Folding

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Top System folding has got two functions:

  • To protect the joint from the sea water, making it waterproof;
  • To contain the lubrication oil of the joint;
Folding system to the Top System surface propellers

To produce this kind of folding some researches and tests have been made, in order to obtain the mix of the nitrile rubber with feature of resistance to the oil and to the fire.