Qingdao Dashin Machinery Co., Ltd — anchor chain, anchors and rigging hardware since 2018
Swivel forerunner assembly for anchor chain

Swivel Forerunner

The swivel forerunner is the swivel link used between the anchor and the anchor chain. It consists of a common link, an enlarged link, a swivel and an open end link: the studless end link fits the anchor shackle and the common…

Product Overview

What This Product Is For

The swivel forerunner is the swivel link used between the anchor and the anchor chain. It consists of a common link, an enlarged link, a swivel and an open end link: the studless end link fits the anchor shackle and the common link attaches to the kenter shackle. It is the standard connection for dropping and weighing anchor on ships and offshore mooring systems.

Swivel forerunner assembly for anchor chain
Swivel forerunner assembly for anchor chain

Key Benefits

  • Takes the twist out of the anchor chain as the anchor is dropped and weighed
  • Studless end link is dimensioned to fit the anchor shackle directly
  • Common link end attaches to the kenter shackle without an adapter
  • The economical and safe choice among anchor chain accessories

Problems It Solves

  • Twist building up in an anchor chain during weighing
  • Mismatched end fittings between anchor shackle and chain
  • Accessories that cannot be replaced without cutting the chain run

Application Scenarios

  • Connection between anchor and anchor chain on ships
  • Offshore mooring system terminations
  • Anchor handling in harsh saltwater and adverse weather
  • Newbuild and refit anchor chain assemblies

Who It Is For

  • Shipyards assembling anchor chain runs
  • Vessel operators replacing anchor chain accessories
  • Offshore mooring contractors

Technical Features

  • Assembly of common link, enlarged link, swivel and open end link
  • Studless end link sized for the anchor shackle
  • Common link end for connection to the kenter shackle
  • Designed for ship anchoring and offshore mooring service

Customization Options

  • Sized to the anchor chain diameter in use
  • Surface finish for the operating environment
  • Supplied with kenter shackles, end shackles and anchor chain as a set

Quality Control

  • Free rotation of the swivel checked before dispatch
  • Link dimensions checked against the chain grade and diameter
  • Surface treatment inspected before shipment
Gallery

Photographs Of This Product

Comparison

How It Compares With The Alternatives

Compared with Kenter shackle

The kenter shackle joins two lengths of chain, the swivel forerunner sits between the anchor and the chain and allows rotation

Compared with G402 chain swivel

The forerunner is a heavy anchor chain component with matched end links, the G402 is a general rigging swivel

Use Guide

How To Use And Maintain It

  • Fit the studless end link to the anchor shackle and the common link to the kenter shackle
  • Check the swivel rotates freely before the chain run is made up
  • Inspect for wear at the swivel bearing during chain inspections
  • Replace as a complete unit rather than repairing individual links
Ordering

What We Need From You To Quote

  • Size or diameter, and the grade if it is specified
  • Quantity and packing format
  • Surface finish for the environment it works in
  • Classification society, if a certificate is required
  • Destination port for freight

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FAQ

Swivel Forerunner FAQ

What is a swivel forerunner used for?

It is used for dropping or weighing the anchor and acts as the connection between the anchor chain and the end shackle.

What is it made up of?

A common link, enlarged link, swivel and open end link.

How does it connect at each end?

The studless end link fits the anchor shackle and the common link end attaches to the kenter shackle.

Is it suitable for offshore mooring?

Yes, it is used for ship anchoring and offshore mooring systems and works in harsh saltwater and adverse weather.

How do I order the right size?

Give us the anchor chain diameter and grade and we will supply the matching forerunner.

Quote For Swivel Forerunner

Our sales, documentation and logistics team replies within 24 hours with price, lead time and the certificate options for this item.