The semi-automatic retractable bollards provide a secure and affordable option for controlling access to public and private spaces. Its main features are:
The semi-automatic bollard is suitable for high security but low frequency access control. It provides high security protection with simple and strong construction. As the safety requirement increases the cylinder´s size becomes bigger and the built-in pressure assist system gives proportionately greater load.
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To raise the bollard, proceed as follows:
To lower the bollard, proceed as follows:
Loose fit cover plate prior to installation of bollard if superstructure does not allow post-installation fitment.
When the bollard is in place and all abutting surfacing works are complete, adhere the cover plate to the surfacing and bollard using water-resistant adhesive (generally not supplied).
