Retractable Bollard, Semi-automatic Bollard, Pneumatic Bollard
Specifications
Economical choice compared to automatic bollardsRaised up by pneumatic spring
no power supply needed
All weather workable
- Economical choice compared to automatic bollards
- Raise up by pneumatic spring
- no power supply needed
- All weather workable
- Easy installation and maintainance
The semi-automatic retractable bollards provide a secure and affordable option for controlling access to public and private spaces. Its main features are:
- Manufactured from stainless steel or steel
- Economical choice compared to automatic bollards
- Semi-automatic bollard, raise up by pneumatic spring
- Very high impact strength and easy installation
- No requirement for power supply
- All weather workable
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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