Coperion K-Tron

Positively seals conveying air and material to atmosphere

Maintenance gates are used to control gravity flow discharge from storage bins or surge hoppers. The maintenance gate provides a positive material and air seal up to 1.03 Bar [15 PSIG]. 


  • Standard gate construction will handle applications up to 121°C [250°F]
  • Square and round inlet sizes are available
  • Aluminum channel frame, with AISI 304 stainless steel blade
  • Nylon inner gate liner and blade guides
  • Inlet and outlet transitions with round bolt hole pattern to match accessories
  • Manual hand crank actuator
  • Standard sizes: 150 - 450 mm [6–18 in]

Related Industries

  • Plastics
  • Chemicals
  • Food & Pet Food
  • Minerals


  • Self-cleaning action on closure eliminates material build-up
  • Unobstructed opening
  • Serviceable while in-line
  • Material construction options available
  • Horizontal or vertical valve orientation


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