Hammar Liferaft Hydrostatic Release System H20 - 4 Person 4 KG 24+ hours of operational life

24+ hours of operational life and 7 Year battery life

where pressure can fluctuate

Clear 38mm Unreinforced Hose

Corrosion resistant

5" / 38mm  Int dia x 10 meters coil hose

Hammar Liferaft Hydrostatic Release System H20 - 4 Person 4 KG 24+ hours of operational lifeHammar Release Systems. H20 Ref18: OS HAM1015 Suitable for smaller fishing, yacht and recreational life rafts. A Hydrostatic Release System for 4 man liferafts with a 2 year operational life and will release the liferaft when at a depth of 1. 5 to 4. 0m Hammar H20 How does it work? Inside the Hammar H20, a pin under tension sits in a notch of a spring loaded knife. The pin is attached to the center of a flexible membrane. At the intended depth, water