Multiflex Mooring Compensator

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The Multiflex MC1506, MC1507 and MC1508 Mooring Compensators are dumbbell-shaped shock absorbers manufactured from EPDM rubber. Installed on a correctly sized mooring line, each co mpensator acts as a flexible mooring suspension to help reduce sudden loading on the line, cleats and other mooring fittings. The three listed models suit rope diameters from 10mm to 20mm, with supplied peak-load figures from 300kg to 426kg. Product Identification Brand: Multiflex Models / part numbers: MC1506, MC1507 and MC1508 Product category: Mooring line compensator Alternative description: Mooring line shock absorber Structure: Dumbbell shape Material: EPDM rubber EPDM meaning: Ethylene Propylene Diene Monomer Function: Mooring-line suspension and shock absorption Rope diameters covered by the listed models: 10-20mm Available lengths in this listing: 426mm, 490mm and 565mm Supplied peak-load range: 300-426kg Resistance: Ozone resistant and weather resistant Application: Compatible marine mooring lines within the specified rope-diameter range What Is a Mooring Compensator Used For? A mooring compensator is fitted to a mooring line to provide a flexible suspension point between the boat and its mooring. As the boat moves because of waves, wash, tide or wind, the compensator is designed to flex with changes in line tension. This helps reduce abrupt shock loading transferred through the mooring line to: Boat cleats Mooring cleats Fairleads Mooring lines Other correctly specified mooring fittings The compensator does not replace a correctly sized mooring line or properly rated deck hardware. It forms one component within the complete mooring arrangement. What Is Included? This listing is for: One selected Multiflex MC1506, MC1507 or MC1508 Mooring Compensator Not included unless expressly stated: Mooring line Boat cleats Dock cleats or rings Shackles Chain Mooring springs Fairleads Other mooring hardware Which Models Are Available? Multiflex MC1506 Length: 426mm / 16.9in Hole diameter: 13mm Suitable rope diameter: 10-12mm Breaking load / peak load: 300kg peak load Multiflex MC1507 Length: 490mm / 19.3in Hole diameter: 18mm Suitable rope diameter: 14-16mm Breaking load / peak load: 350kg peak load Multiflex MC1508 Length: 565mm / 22.4in Hole diameter: 21mm Suitable rope diameter: 18-20mm Breaking load / peak load: 426kg peak load Which Mooring-Line Diameter Is Compatible? Select the model according to the diameter of the mooring line: Use MC1506 with compatible 10-12mm rope Use MC1507 with compatible 14-16mm rope Use MC1508 with compatible 18-20mm rope Do not select a compensator solely according to its overall length or peak-load figure. The mooring line must also fit the specified rope-diameter range and hole diameter. The supplied information does not identify compatibility with rope smaller than 10mm or larger than 20mm for these three models. How Does the Mooring Compensator Reduce Shock Loading? The EPDM rubber body is designed to provide controlled flexibility within the mooring line. This helps absorb part of the movement that would otherwise be transferred directly between the boat and the mooring point. Reducing sudden loading can help limit stress on the line and connected fittings. The level of movement and shock absorption will depend on: Selected compensator model Mooring-line diameter Installation method Number and severity of line movements Boat movement Mooring geometry Condition of the compensator Condition and rating of the complete mooring system Why Is EPDM Rubber Used? The Multiflex mooring compensators are manufactured from EPDM, or Ethylene Propylene Diene Monomer, rubber. The supplied product information identifies the material as offering: High tensile strength High torsion strength Ozone resistance Weather resistance Flexible shock-absorbing performance These properties make the material suitable for exterior mooring applications where the compensator is exposed to changing loads and weather conditions. What Does the Peak-Load Figure Mean? The supplied specifications describe the model ratings as both breaking load and peak load: MC1506: 300kg peak load MC1507: 350kg peak load MC1508: 426kg peak load No separate safe working load, working-load limit or safety factor is stated in the supplied product information. The peak-load figures should therefore not be presented as certified safe working loads. The complete mooring arrangement must be selected according to the boat, berth, expected conditions and the ratings of all lines, cleats, fittings and other components. Can These Compensators Be Used for Lifting? The supplied product information identifies the MC1506, MC1507 and MC1508 as mooring-line compensators. No lifting certification, lifting application or lifting working-load limit is provided. They should therefore not be listed or represented as lifting devices. How Should the Correct Model Be Selected? Select the Multiflex mooring compensator by checking: Mooring-line diameter Compensator hole diameter Required compensator length Supplied peak-load figure Boat size and movement Mooring location Expected wind, tide, wash and wave conditions Rating of the mooring line Rating of the cleats and other fittings Available installation space Where the boat or mooring arrangement is subject to substantial dynamic loading, model selection should be confirmed by a competent marine installer or mooring-equipment specialist. Construction and Design Dumbbell-shaped rubber structure Manufactured from EPDM rubber Designed to form a flexible suspension within a mooring line Designed to improve shock absorption High tensile strength High torsion strength Ozone-resistant material Weather-resistant material Available in model-specific lengths and hole diameters Suitable for correctly sized marine mooring lines Intended to reduce sudden loading on mooring lines and fittings Straightforward mechanical design with no moving metal components identified Installation and Safety Before fitting a Multiflex mooring compensator: Confirm that the selected model matches the mooring-line diameter Check that the rope can be fitted through the specified hole diameter Follow the current Multiflex fitting instructions Fit the compensator securely within the mooring-line arrangement Do not use a model with rope outside its specified diameter range Ensure the line remains correctly attached to the boat and mooring point Position the line to minimise chafe against sharp edges Confirm that the compensator cannot contact damaging surfaces during movement Check that the mooring line, cleats and fittings are correctly rated Do not treat the stated peak load as a safe working load Do not use the compensator as lifting equipment Inspect the compensator regularly for cuts, cracking, deformation or material damage Inspect the mooring line for wear, flattening, glazing or broken fibres Replace damaged or deteriorated mooring components before further use Recheck the complete mooring arrangement after strong winds, heavy wash or abnormal loading Mooring systems are safety-critical. Selection and installation should account for the vessel, berth, local conditions and the rating of every component in the complete mooring arrangement. Key Features Multiflex EPDM mooring-line compensators Models MC1506, MC1507 and MC1508 Designed to improve shock absorption on mooring lines Helps reduce sudden loading on lines and fittings Dumbbell-shaped rubber construction Manufactured from Ethylene Propylene Diene Monomer rubber High tensile strength High torsion strength Ozone resistant Weather resistant Suitable for compatible 10-20mm mooring lines MC1506 suits 10-12mm rope MC1507 suits 14-16mm rope MC1508 suits 18-20mm rope Available in 426mm, 490mm and 565mm lengths Hole diameters of 13mm, 18mm and 21mm Supplied peak-load figures from 300kg to 426kg No safe working load or lifting certification stated Mooring line and installation hardware supplied separately unless expressly stated Specification MC1506 MC1507 MC1508 Brand Multiflex Multiflex Multiflex Part Number MC1506 MC1507 MC1508 Product Category Mooring Compensator Mooring Compensator Mooring Compensator Function Mooring-Line Shock Absorption Mooring-Line Shock Absorption Mooring-Line Shock Absorption Structure Dumbbell Shape Dumbbell Shape Dumbbell Shape Material EPDM Rubber EPDM Rubber EPDM Rubber Length 426mm / 16.9in 490mm / 19.3in 565mm / 22.4in Hole Diameter 13mm 18mm 21mm Suitable Rope Diameter 10-12mm 14-16mm 18-20mm Breaking Load / Peak Load 300kg Peak Load 350kg Peak Load 426kg Peak Load High Tensile Strength Yes Yes Yes High Torsion Strength Yes Yes Yes Ozone Resistant Yes Yes Yes Weather Resistant Yes Yes Yes Show more