Hydrostatic Release Hammar for 4 man Rafts - A very popular Hammar liferaft release system to fit all 4 man liferafts. It reacts to water pressure alone, and can be released at all angles. The glass fibre reinforced casing surrounds a pressure chamber with a thin membrane, which activates a spring loaded blade to release the liferaft. Lasts 2 years before replacement required.
Suitable for 4 man liferafts.
Release Depth: 1.5 to 4 metres
For 6 - 150 man version see Product Code: 510035