The Pull and Slack Wire Trip Type pullkey is a single trip shaft pullkey where both ends of the shaft are to be connected to a gravity tensioner in order to operate as a balanced system. It is recommended to connect the pull trip cable. With this key only steel wire rope can be used between the key shaft and the gravity tensioner.
The pullkey will trip when the cable is pulled to the left or the right and if the cable is cut, it will trip in the opposite direction. A win-dow at the top of the key will indicate when the sys-tem is balanced and ready for a reset. This pullkey is designed for up to 200m spacing’s between Pullkey’s.
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