How does a security barrier work?
· Kind of Building Management Systems, card reader systems, remote control systems, biometric systems, ticket accepting devices etc. can be connected to operate the security barrier. · Security barriers have a push button console which has also Emergency Stop Button to avoid accidents. · Some of them has Emergency Raise Button to raise it fast for vehicle attacks. · Basically, the hydraulic power unit pumps hydraulic oil to the pistons and pistons pushes the blocking part. Thus, the security barrier raises. · In case of power failure; it is possible to raise and lower it with manual hand pump, or hydraulic accu. , or DC motor and DC pump with dry batteries. · A security arm barrier is raising and lowering with a hydraulic piston. · ...