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By certification 
Chainstopper
Maritime regulations require a system of blocking chains.
The NP-series Chainstopper is a completely integrated locking system allowing safe and easy handling
during anchor deployment and retrieval.
Designed for mounting directly between the anchor and the anchor winch, suitable for chain diameters from 20 to 132 mm.
A tensioning device incorporated within all our Chainstoppers
is used to tighten the anchor against the hull thus preventing damage.
On request, tensioning device can be hydraulic to save time in emergency situations by releasing the anchor from the wheelhouse without manual operation.
Manufacture Standard: CB/T3844-220, JISF2031, NP1 to NP13
All Class society certificate: DNV-GL, BV, LR, NK, KR, IR, RMRS, RINA, CCS
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