- Model 159 A - Component Seals



DYNAMIC, unbalanced mechanical seals are produced for general applications. OEMs often buy this type of seal in large quantities. Whether the one or the other version is selected depends on the OEM's preferences or on the conditions of use or installation at the customer end.

It is important to know that a dynamic mechanical seal with wedge design can damage the shaft surface with its axial movements. Such a seal should only be used therefore with shaft sleeves.On seal versions equipped with a set of small springs, the pressure exerted on the seal faces is better and more uniform. This should be taken into consideration when selecting a seal.It is easier to position mechanical seals when there are steps on the shaft sleeve, rotor or the like which can serve as locating shoulders.Preference should be given to stationary faces which have elastic bearings to cushion shocks and vibrations from the equipment as far as technically possible.

  • Wide range of applications
  • Low costs
  • Can be used with various stationary faces
  • Large choice of materials
  • Short installation spaces

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