• Fully enclosed and sealed drive mechanism
  • Galvanised case as standard
  • Sealed 110 mm x 40 mm steel channel casing
  • Low friction Self lubricating bearings
  • Aerofoil section aluminium 100 mm wide blade
  • Optional aerofoil blade with rubber tip seals
  • Opposed or parallel blade operation
  • Manual control, motorised or pneumatic version available
  • Bearing spindles enclosed in side frame to minimise leakage
  • High temperature bearings available
  • Construction complies with H.E.V.A.C. / B.S. requirements
  • Full range of sizes available
  • Available as rectangular, spigot, circular,& oval types
  • This damper will withstand high temperature
  • Tested @ 300 deg C min 1 hour - Test no F03038


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