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Mecan-HydroCrest Gate (Bottom Hinged Flap Gate)

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It consists of a straight or curved retaining surface, pivoted on a fixed axis at the sill.. Flap gates are also used on top of segment gates and fixed-wheel gates.

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Pro s

  • Great operational flexibility (passage of ice and other floating materials)
  • Discharge of large water volume.
  • Fail safe design for opening (Gravity opening)
  • Compact design
  • Less hoisting capacity required
  • No possibility of trash accumulation in slots
  • Smaller overhead structure
  • Operating mechanism provides effort only when raised (single action)
  • Operating mechanism provides effort only when raised (single action)
Con s
  • Permanent immersion of the hinge bearings and inability to inspect said bearings
  • Maintenance of gate seals
  • Complex operation in ice condition
  • Possibility of accumulating debris and ice on downstream side