HAMMAR H20 HRU - SOLAS-Compliant Hydrostatic Release Unit - H20 Standard Model UKCA/EC Certified for Liferafts - HR-0100
HAMMAR H20 Hydrostatic Release Unit - HAMMAR H20 HRU - SOLAS-Approved Hydrostatic Release System - HR-0100 H20 Standard Version UKCA/EC Certified for Liferafts (6 to 150 People)
The Hammar H20 Hydrostatic Release Unit ensures reliable deployment of liferafts and EPIRBs in extreme conditions. Activating automatically at depths of 1.5 - 4.0 metres (SOLAS), it cuts the securing rope to allow the liferaft to float free (6-150 people). The HRU functions in temperatures from -30°C to +65°C and is favored by over 50% of global EPIRB manufacturers. Made from corrosion-resistant glass fiber-reinforced nylon, the Hammar H20 requires no annual maintenance—just replace the unit and bolt every 2 years. Environmentally friendly, it is 97% recyclable. Certified to SOLAS and various IMO standards, it has a 5-year shelf life when stored properly.
Key Features & Equipment Benefits:
- Safe & Reliable in Extreme Conditions: Designed to perform reliably in harsh marine environments; activates automatically under increasing water pressure to release liferafts and EPIRBs if the vessel sinks.
- Global Best-Seller: The Hammar H20 is the world’s most widely used hydrostatic release unit, known for its safety, reliability, and simple design, with over 25 years of proven performance.
- Maintenance-Free: Constructed from glass fiber-reinforced nylon to prevent corrosion, requiring no annual service or spare parts. Replace every 2 years, and the old unit is 97% recyclable.
- User-Friendly: Easy to handle and install, reducing storage costs and minimising downtime. Can be combined with Hammar’s Remote Release Systems for enhanced safety and efficiency.
- Hydrostatic Activation Depth: Yellow Top Label: 1.5 - 4.0 metres (SOLAS); Green Top Label: approximately 4 meters; Blue Top Label: approximately 6 meters.
- Weak Link System: Breaking strength of 2.2 ± 0.4 kN
- Dual Assembly Option: Available for configurations requiring multiple H20 units, which can be combined with MRU or ERU units.
- Approvals: UKCA/EC approved
Technical Information:
- Operating Temperature: -30°C to +65°C.
- Service Life: 2 years; replace after 24 months.
- Approved Standards: SOLAS 74, IMO Res. MSC 97(73), MSC.48(66), MSC.81(70), MSC/Circ.811, EU Directive 96/98 EC.
- Label and Marking: UV-resistant, peel-proof; includes serial number, manufacturing date, and approvals.
- HS Code: 84798997
- Country of Origin: Sweden.
- Nato Stock Number (NSN): 4220375446885
| SPECIFICATIONS | H20 HOUSING | WEAK LINK | ROPE SLING | THIMBLE |
| SIZE | L:96 mm, w: 64 mm, H: 48 mm | L: 79 mm, W: 52 mm, H: 16 mm |
**Loop length: 140 mm
|
L: 12 mm, W: 36 mm, H: 33 mm |
| WEIGHT | 112 gram | 25 gram |
28 gram
|
3 gram |
| COLOUR | Black | Red & Black | White & black stripes |
Yellow
|
| MATERIAL |
Housing: Polyamid (PA6)
|
PA6 & Stainless steel | Polyester 1:1, parallel core | PA6 |
| BREAKING STRENGTH | N/A | 2,2 ± 0,4 kN | Min; 15 kN |
N/A
|
SPECIFICATION
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Activation Depth: Operates reliably at 1.5 - 4.0 metres (SOLAS standard).
-
Auto-Activation: Automatically deploys liferafts and EPIRBs during emergencies by cutting the securing rope with a sharp knife activated by rising water pressure.
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Signal Transmission: Once released, the EPIRB sends identification and location signals to satellites.
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Operating Temperature: Functional in temperatures from -30°C to +65°C.
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Service Life: Designed for a 2-year operational life; replace after 24 months.
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Durable Construction: Made from corrosion-resistant glass fiber-reinforced nylon; no annual maintenance required.
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Maintenance-Free: Replace unit and bolt every 2 years; 97% recyclable, supporting environmental sustainability.
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Global Approval: Complies with SOLAS 74 Convention, IMO Res. MSC 97(73), MSC.48(66), MSC.81(70), and EU Directive 96/98 EC.
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Labelling: Features UV-resistant, peel-proof labels with serial number, manufacturing date, and security information.
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Shelf Life: 5 years when stored in a dry, UV-protected environment.
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Country of Origin: Sweden.
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