High crash ratings(e.g.,K4,K8,K12)to intercept vehicles at specified speeds.Various activation methods:hydraulic rise,automatic tire shredding.Rugged construction using high-strength steel or concrete.Clear warning with reflective markings/lights.Some are mobile for temporary deployment.Intelligent control integrates with security systems.

Varies greatly by crash rating:size,weight,foundation depth.Bollard diameter:200mm-400mm,rise height:600mm-1000mm.Crash beams are often massive concrete structures.Hydraulic systems are powerful for fast operation.All electronics are weatherproof(IP rated).

Critical for government buildings,military,embassies,police stations,courts,prisons,banks,nuclear plants,chemical facilities出入口and perimeters.Also used at highway toll plazas or dangerous road sections as crash cushions,preventing errant vehicles from crossing medians.