Safety Alert for Hammar Hydrostatic Inflator on Lifejackets Made Prior to 2006

Published 12 years ago, updated 4 years ago

As reported by

Be sure to check your lifejacket carefully — you may have one with one of these defective pieces.

The Hammar Hydrostatic Inflator is attached to a lifejacket with a sealing ring. In 2006, CM Hammar upgraded the sealing ring with new state-of-the-art raw materials to eliminate potential defects and increase long-term durability. A small number of sealing rings manufactured before 2006 have suffered premature material degradation, most likely after being exposed to extreme environmental conditions. When exposed to high temperature and high humidity for a long period of time, the sealing ring might become stiffer, change color and in severe cases cracking of the plastic may occur. The change does not occur overnight and can be detected at recommended service inspections.

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