Shaft Seals

Heavy-Duty Stuffing Boxes

Johnson heavy-duty stuffing boxes, precision built in bronze or aluminum to seal out seawater and protect the propulsion system.

  • Inflatable Air Seal ring allows repacking at sea without dry-docking.

  • Positive-retraction ring deflates back into the housing without touching the shaft.

  • Custom built to fit your vessel.

Heavy-Duty Stuffing Boxes
OptionDetalle
MaterialBronze (standard) or aluminum
ServicioAir Seal, water service, grease service, lantern ring with zerk fitting
Air SealInflates to 15 psi to hold out seawater during repacking
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