Certified Safety Standard
The quality of safety equipment is easy to evaluate ....
Quality life-saving equipment must be DIN ISO 9001 certified. |
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The standards require that life-saving equipment carries specific markings. The most important of these is the European Conformity (CE). |
Solid or inflatable buoyancy body? Which performance class is right for me? | |||
Modern standards measure buoyancy bodies and lifejackets by their carrying capacity in water, i.e. their buoyancy in Newton. Solid buoyancy bodies are usually made from flexible polyvinyl chloride (PVC) or polyethylene (PE) foam. |
When determining a person’s weight in water, only the weight of the head must be considered. The required buoyancy must, however, allow the body to be turned in the water to keep mouth and nose safely above the water’s surface. The worn clothing must also be taken into account. To ensure spare capacity and that the aid rotates an unconscious wearer’s body onto their back, at least 150 Newton are necessary. To a certain extent, the carrying capacity can be reduced without impairing the lifejacket’s performance (turning the wearer into a safe position), but solid buoyancy bodies are not very practical as they are uncomfortable and inconvenient to wear from a particular size. They are not suitable for lifejackets that are worn permanently. |
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In practice, only inflatable lifejackets provide sufficient buoyancy for the performance requirements of the 150 to 275 class. Uninflated and stowed, their buoyancy bodies are very small and can therefore be worn permanently without limiting the wearer’s freedom of movement. An inflation mechanism (manual or automatic) ensures that they can be activated at any time. They can also be conveniently be combined with other safety equipment, such as life belts. Summary:
Because each model has its own, specific fit, you should always try a lifejacket before buying it.
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