HAMMAR H20R Liferaft HRU USCG/SOLAS/MED

H20R Hydrostatic Release Unit for liferafts – USCG/SOLAS/MED

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. With the environment in mind, the old unit is 97% recyclable.

Find the manual online:
To find the H20 manual online, visit  or scan your H20 with the Hammar MarCode App.

The Hammar H20 release unit consists of a double looped white rope line, a release mechanism and a Red Weak Link.

• Designed for liferafts from 6 up to 150 persons
• Release depth: 1.5-4.0 meters
• Breaking strength of white rope sling: min 15kN
• Breaking strength of red weak link: 2.2 /- 0.4kN
• Dispose after 2 years
• Weight 166 grams

Global Approval:
USCG Section 6 Clarification USCG-EU MRA
SOLAS 74/96 Convention, Reg. III/4 LSA Code, MO Res. MSC. 48/(66)
IMO Res. MSC. 81(70)
EU Directive 96/98 EC on Marine Equipment

Installation Instructions:
Under Documents Tab

Number of pieces per package: 1
Number of pieces per case: 30
P/N: HA2000H

NSN#: 4220-01-597-3477