The Weight Compensating Cable QuietLink II
Coated with PVC, the QuietLink II Cable serves to compensate for the weight of the traction ropes while the car moves up and down the shaft.
The QuietLink II Cable has proven itself as a truly quiet compensating product with a larger and more uniform loop than bare chains or chains with a sash cord.
Cable – Low carbon, welded proof coil chain
Jacket – A high-quality polyvinyl chloride (PVC) adds mass and forms a round cross-section.
This round filled configuration is designed for use at speeds of up to 3.5m/s.
Roller Guidance System for High Speed Applications
For elevator speeds over 350 ft/min and up to 490 ft/min (1.75 m/sec to 3.5 m/sec), a roller guidance system must be used with QuietLink II to dampen cable oscillations and prevent the cable from swaying. These rollers also help to maintain the natural loop of the compensating cable.
The purpose of the guide rollers is to maintain the loop diameter and prevent any swaying of the compensating cable during stops and starts. The polyurethane also helps to dampen any vibration which may be caused by sudden stops and starts or air movement in the elevator shaft.
Each installation hardware kit includes: 3 U-Bolt (includes nuts, and washers), 1 shackle, 1 heavy duty grip for safe and economical installation of Quitelink II compensating cable.
This diagram shows the approximate placement of components for a Quietlink II cable installation.