How long is a hydrostatic release Good For?
two years
(b) Each disposable hydrostatic release unit must be marked with an expiration date of two years after the date on which the unit is installed.
What is the normal dropping height of life raft?
18 m
Every liferaft shall be so constructed as to be capable of withstanding exposure for 30 days afloat in all sea conditions. The liferaft shall be so constructed that when it is dropped into the water from a height of 18 m, the life raft and its equipment will operate satisfactorily.
How does a HRU work?
A HRU uses water pressure to activate a spring-loaded blade, cutting through liferaft securing straps. As the raft floats upwards, it automatically inflates when the painter pulls tight. Additional buoyancy from the inflated raft then breaks the “weak link”, releasing the raft from the vessel.
How does the Hammar H20 dual assembly work?
The H20 Dual Assembly allows for more than one release option and/or redundancy or dual points of release. This is achieved by connecting MRUs (Manual Release Unit) and ERUs (Electronic Release Unit) to an HRU (Hydrostatic Release Unit).
How often do you need a Hammar hydrostatic release unit?
The Hammar H20 is a hydrostatic release unit designed to fit liferafts of all shapes and sizes. It is made of glass fiber reinforced nylon, which prevents it from corroding. The Hammar H20 needs no annual service, maintenance or spare parts. You simply install a new one every two years and dispose of the old one.
What’s the release depth of a Hammar H20 SOLAS?
The Yellow top label indicates a release depth of 1.5-4 m as defined by SOLAS. The Hammar H20 SOLAS model is designed for liferafts from 6 up to 150 persons The Hammar H20 is an HRU designed to fit liferafts of all shapes and sizes. It is made of glass fiber reinforced nylon, which prevents it from corroding.
Can a Hammar H20 be used as a liferaft?
Manual release and launch of a liferaft is the way to evacuate in a controlled manner before the vessel is going down. The Hammar Easy Release for H20 R can easily be operated using just one hand, even under its maximum lashing load. The Easy Release can be installed with a Hammar H20 or a manual release-only configuration.