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Hammar system: the hydrostatic lifejacket

The hydrostatic lifejacket is available in different activation modes: manual, automatic UML or UML Pro Sensor and hydrostatic Hammar. It is designed to meet the characteristics of an automatic lifejacket. By wearing a hydrostatic percussion inflatable lifejacket, you comply with SOLAS and ISO lifejacket safety standards.

Hydrostatic lifejacket: how does it work?

Inflatable lifejackets are the preferred choice of professional sailors, but their design makes them equally suitable for occasional use. The main feature of these lifejackets is that they are not triggered by contact with water, but by the pressure exerted by the water on the jacket system. This system, called Hammar, is named after the Swedish company that developed it.

The system is triggered when submerged more than 10 cm in water. At this point, the valve is triggered, releasing a spring that pushes a needle towards the vest's CO2 cartridge. This cartridge, linked to the vest's inflatable space, pierces on contact with the needle to release the gas into the vest's inflatable space. This process takes between 3 and 5 seconds. Lifejacket brand Plastimo  distributes low-cost lifejacket refill kits that enable lifejackets to be reset after use.

Why choose a hydrostatic release lifejacket ?

Choosing your automatic lifejacket on the basis of its technical features is a very good thing. This will enable you to adapt your choice of lifejacket to other criteria, such as the activity you intend to practice or your morphology. But the first and foremost reason to buy a Hammar hydrostatic lifejacket is because of its reliable release, which is so popular with professional lifejackets .

Unlike the UML automatic system, this type of vest does not contain a salt or cellulose pellet percussion system. As a result, there's no risk of the vest triggering unexpectedly during navigation. This lifejacket will give you greater freedom, especially if you're sailing in extreme conditions where you're likely to be exposed to spray and splashing water. This type of inflatable lifejacket will guarantee your safety better than any UML automatic lifejacket if you're engaged in offshore or professional sailing. The best lifejacket of this type is the Hammar Spinlock Vito 170N lifejacket .

The best Hammar hydrostatic lifejackets on Nautisports

The best lifejackets on the Hammar hydrostatic lifejacket market come mainly from two leading brands: Plastimo and Spinlock . The Deckvest lifejacket is equipped with at least one buckle. The red Plastimo Pilot 165 lifejacket is available for your child. These high-performance lifejackets are often sold with matching lifejacket accessories , such as subcutaneous straps, harnesses and lanyards . Available stock of these products is often large, as they are in high demand.