Semi-automatic High Security bollards

Description

One of the varieties semi-automatic blocking devices  is a bollard with a gas-driven mechanism. In order to ensure free passage to (from) the territory (s), it is necessary to unlock the parking bollard with the key and, by pressing the bollard cover, lower it. In the lowered position, the pipe is automatically blocked. In order to close the passage, you need to lightly press the bollard cover and turn the key. After that, the bollard will rise on its own. Another type is a bollard on a screw pair. The opening of the passage to (from) the territory (s), which is protected, is carried out with the help of a drill. She turns the adapter (located on the bollard cover) clockwise and the bollard lowers. In order to block the passage, you need to scroll the adapter counterclockwise. Semi-automatic bollards are suitable for installation in areas with medium traffic. Semi-automatic parking stops can be used for installation in areas with no power supply.