chain stopper

chain stopper

[′chān ‚stäp·ər]
(naval architecture)
A short chain with a hook attached to a ship's forecastle, used to secure the anchor chain when the anchor is raised or lowered, thus relieving the windlass from strain, or to quickly release the anchor.
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Parent company Aker Solutions says the fairlead chain stopper is an innovative system designed to constrain the mooring load to a limited area on the hull.
The order comprises 14 Pusnes fairlead chain stoppers and three moveable Pusnes windlasses for 165 mm (6 1/2 in) chain size.
2 mole % with respect to the total number of amine groups) of the chain stopper phthalic anhydride was added portionwise to the DAB/NMP solution under stirring at room temperature.
During polyurethane formation, high molecular weights can not be attained because the monol acts as a polymerization chain stopper.
Work scope includes housing for up to 120 people and heavy lift of two 50-tonne fairlead chain stopper foundation block structures, a 34-tonne mooring pull-in winch and other smaller lifts.
The scope of work covers accommodation for up to 120 passengers, and includes the heavy lift of two 50 ton fairlead chain stopper foundation block structures, a 34 ton mooring pull-in winch and other smaller lifts.
Limited Tenders are invited for Electrically Operated Single Headed Twin Speed (Reversible)Electric Capstan For Anchor Handling And Mooring With Under Slung Machinery And Roller Chain Stoppers.
The order from Bluewater Industries covers design and delivery of eccentric fairlead chain stoppers and roller RamWinches for a deep draft production unit owned by ATP Oil & Gas Corporation, while the DSME order covers similar equipment for the Pazflor FPSO under construction by DSME in Korea.
Norwegian industrial group Scana Industrier ASA said on Tuesday (30 October) that its subsidiary Scana Steel Stavanger has received an order for chain stoppers from the Norwegian deck machinery manufacturer Karmoy Winch AS.
Each floating turbine will be moored to the seabed via MacGregors chain stoppers which will incorporate Strainstalls strain ring monitoring sensors to provide mooring load information.
To achieve her goals, she has been fitted with a 15-tonne crane, A-frame and two buoy chain stoppers, plus three wire drum winches for the towing.
For this newbuilding NDM will supply the following equipment: Two combined windlass/moowing winches (electrical, frequency controlled, driven), two off chain stoppers, two off tugger winches (hydraulic driven), two off capstans (hydraulic driven) and six off cargo securing winches (hydraulic driven).