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This inflation mechanism also requires both water and pressure combined to activate automatically. It requires full immersion in water to a minimum 10 cm depth to activate fully. At this point the hydrostatic valve opens and lets the water meet the water sensitive element that in turn releases a stainless steel coil spring. The spring then drives a cutter into the end of the gas cylinder to pierce it and release the gas through the sealing ring aperture in the bladder and inflate the lifejacket. This system differs from the A1 / M1 inflator in that it has the advantage of the cylinder being glued into the back of the system to give a secure seal so that it cannot come loose or detached in use. The single point indicator on the front also gives the user an immediate visual check of the operational status of the cylinder and cartridge. The Automatic system is backed up by a manual override, which allows the user to pull the toggle and activate the cutter to pierce the gas cylinder in order to inflate the lifejacket alternatively.



Hammar makes products for personal safety at sea.Hammar develops state of the art products to safeguard crew and passengers in order to allow fast and effective rescue in MOB events. The wide product range offers unique solutions for use in harsh environments and is suitable for a wide variety of applications – commercial marine industry, leisure cruising as well as defense.Hammar products for safety installations are designed to be safe and reliable in all extreme conditions. The H20 is the best-selling hydrostatic release unit in the world and it has been saving lives on the oceans for more than 25 years. H20 hydrostatic release can also be combined with Hammar’s Remote Release Systems, which enables you to release liferafts, EPIRBs or evacuation systems from the bridge or other strategic locations onboard.