- Boat 45-55 ton
- Boat 55-70 ton
- Boat 70-90 ton
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Douglas Marine Master Mooring 30 Heavy-Duty Compensator for 45–90 Ton Boats
The Douglas Marine Master Mooring 30 is a patented heavy-duty mooring compensator designed for large yachts and vessels with a displacement from 45 to 90 tonnes. It absorbs dynamic loads generated by waves, swell, wake, wind, currents and vessel movement, helping reduce stress on mooring lines, cleats, bollards and deck fittings.
The compensator combines high-resistance stainless steel with special marine elastomers and nylon extension limiters. Its controlled elastic response supports smoother load transfer and improves mooring comfort under demanding marina and harbour conditions.
The elastomer system operates from -40°C to +120°C and is designed for up to 400,000 working cycles. All variants share the same overall dimensions, weight and load ratings, while the internal elastic capacity is selected according to vessel displacement.
Key Features
- Original Douglas Marine Master Mooring 30 series
- Patented heavy-duty mooring compensator design
- Suitable for vessels from 45 to 90 tonnes
- High-resistance stainless steel construction rated at 120–140 kg/mm²
- Special marine elastomer damping system
- Nylon extension limiters
- Reduces shock loads on mooring lines and fittings
- Operating temperature from -40°C to +120°C
- Service life up to 400,000 cycles
- 140 mm compensation stroke
- 14,000 kg working load
- 27,000 kg breaking load
Available Variants
Osculati Catalogue Article Osculati Item Douglas Marine Article Boat Displacement Elastic Capacity Weight Working Load Breaking Load 01.209.01 0202830 806-0030 45–55 t 2,400 kg 3.8 kg 14,000 kg 27,000 kg 01.209.02 0202832 806-0031 55–70 t 2,600 kg 3.8 kg 14,000 kg 27,000 kg 01.209.03 0202833 806-0032 70–90 t 2,800 kg 3.8 kg 14,000 kg 27,000 kg
Technical Specifications
Brand Douglas Marine Series Master Mooring 30 Product Type Heavy-duty mooring compensator / shock absorber Suitable Vessel Displacement 45–90 tonnes Construction High-resistance stainless steel with elastomer system Stainless Steel Strength 120–140 kg/mm² Extension Limiters Special nylon Elastomer Operating Temperature -40°C to +120°C Service Life Up to 400,000 cycles Overall Length 500 mm Body Diameter 100 mm Maximum Stroke 140 mm Weight 3.8 kg Working Load 14,000 kg Breaking Load 27,000 kg Elastic Capacity 2,400–2,800 kg, depending on model Application Heavy-duty marina, harbour and permanent mooring systems
Included Articles
- Osculati 01.209.01 / Item 0202830 / Douglas Marine 806-0030 — for vessels 45–55 t
- Osculati 01.209.02 / Item 0202832 / Douglas Marine 806-0031 — for vessels 55–70 t
- Osculati 01.209.03 / Item 0202833 / Douglas Marine 806-0032 — for vessels 70–90 t
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