Ameristar's Defender anti-ram retractable security bollards combine an open, aesthetic appearance with the highest level of perimeter control.
The Defender is excellent for sites where the pathway access changes often. When retracted, the Defender security bollards are flush with the roadway and provide free movement of pedestrians and vehicle traffic. Utilizing the highest cycle duties available, the Defender automatic hydraulic rising bollards are an economical and effective way of securing any access point.
US DoS K4 L2
Retractable Bollards Height
Retractable Bollards Diameter With Sleeve
Normal Operating Speeds
3 - 8
Emergency Fast Operation Speed
Maximum Cycles per Hour
Minimum/Maximum Operating Temperatures range
50 - 120
Tested or Analyzed
Tested or Analyzed Configuration
3 Bollard Array
Marine,Sand,Heavy Rains,Heavy Snow,Corrosive (e.g.chemical plants)
On Department of State/Defense Certified List
SAFETY Act Certified
Estimated Lead Time (does not include shipping)
Certified/Trained Installers Available
The Defender security bollard barrier by Ameristar is manufactured from the highest quality materials by skilled craftsmen to meet the highest standards of workmanship in the industry. Ameristar warrants its Defender security bollard barrier against defects in material and workmanship for a period of 1 year from the date of substantial completion, or 1.5 years from the date of shipment provided, however, in no event shall this warranty extend beyond eighteen (18) months from the date of shipment by Ameristar Security Products.
US REGIONS/COUNTRIES AVAILABLE
- United States of America