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 . Venting System
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Venting System

Every Cable Arm clamshell is equipped with a passive venting system. This venting system serves 3 purposes:

Open While Lowering


While the bucket is being lowered, the vents open - allowing water to flow through. This allows the clamshell to quickly fall to the floor.
     
  Closed When Raising


When the bucket is raised, the vents close - reducing
the possibility of water washing material out of the bucket.
     
  Drain Excess Water


Once the bucket reaches
the surface, excess water is drained through the vents, avoiding excess dewatering costs.


 
 
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