The K4 Drop Arm is a crash rated pivot arm designed and tested to meet and exceed the Department of State K4 impact. The complete K4 Drop Arm assembly consists of a receiver stanchion, hinge stanchion, aluminum arm, stanchion covers, and pumping unit. This unit was designed using the latest technology in parts and assembly including the extensive use of engineered fabrics, stainless steel, powder coating, and details such as self-aligning bearings. Installation requires no above grade concrete forming, simply excavate, set stanchions, install conduits, and pour in place. The K4 Drop Arm is available with clear openings from 12 to 25 feet. Power is supplied by a hydraulic pumping unit, or manually with a turn wheel. This unit comes complete less normal construction material such as concrete, conduits, wire and rebar.
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