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| GAO's parking barrier gate ![]() It offers speedy operations even for large capacity industrial facilities and it can withstand harsh environments. The cost-effective, unmanned parking barrier gate safely controls vehicle access for 10 to 20 foot lanes. It offers a quick response time and it fully opens in one to four seconds, depending on the length of the arm. In addition, it's built-in frequency converter ensures progressive accelerations and controlled decelerations, for a vibration-free movement and enhanced protection of the mechanism. write your comments about the article :: © 2009 Construction News :: home page |