A Semi-Automatic Bollard system is simple to operate, requiring only the turn of a key and a light pull to store or deploy. The operator simply turns his key and with a slight pull or push the bollard will automatically raise or lower.
These bollards are retracted into a stainless steel cylinder, and have a manual pump built in.
Semi-automatic bollards are the convenient and reliable solution for territory protection in case there’s no possibility to provide electricity for full-automatic bollards.
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