Hydrostatic Release Units DK84.1 – DK84.1FN – DK84RN2

Serviceable HRU

Thanner Serviceable Hydrostatic Release Units are designed for heavy duty installations, reliable function and no limited lifetime if serviced regularly. Service intervals follow the raft servicing. The units can be manualy released and reset for continued service. The DK84.1 is approved to the new MED and SOLAS regulations together with ships wheel approval, USCG, TC and many others. The unit is made from stainless steel and composite polyamid plastic to meet the tough requirements of the marine environment. The unit operates independently of the life raft buoyancy and are approved for any life raft up to a load of 1850 kgs. All parts can be recycled and are made from non-toxic materiales. Special versions/release depths are available on request. The DK84.1 FN and DK84 RN2 does not comply with MED / SOLAS but have the same main carateristics as DK84.1 None SOLAS versions are available with release depths down to 250m water gauge.

HRU DK84.1 Part no. 10-077 NATO stock no. 4220-22-269-1726

Operating independently of life raft buoyancy. No limit on service life, if serviced and tested regularly. Service intervals like the life raft. Manually release and resetting possible by testing. Approved to release buoyancies up to 1850kg. The unit is made from stainless steel AISI 316 and composite. Weight 1.45kg

HRU DK84.1

HRU DK84.1 FN Part no. 12-006 NATO stock no. 4220-22-628-6967

Operating independently of life raft buoyancy. No limit on service life, if serviced and tested regularly. Permanentmanual release with safety pin on the unit. Approved to release buoyancies up to 1850kg.
Release depth 2-4mtrs.The unit is made from stainless steel AISI 316 and composite. Weight 1.5kg.

Accessories: Stainless steel weak link. Stainless steel shackles.

HRU DK84.1 FN

HRU DK84 RN2 Part no. 13-300 Nato Stock No. 4220-22-258-0685

Operating independently of life raft buoyancy. No limit on service life, if serviced and test regularly. Permanent manual release with safety pin on the unit. Approved to release buoyancies up to 1850kg.
Release depth 6 mtrs.+-10% . All stainless steel AISI 316. Weight: 2kg.

Accessories: Stainless steel weak link. Stainless steel shackles.

HRU DK 84 RN2

Thanner A/S