Aluminum multi blades dampers
  • Frame & blades : Extruded aluminum (6063-T6)
  • Square or rectangular
  • For low velocity and pressure commercial HVAC systems
  • Blades 6'', 7'' or 8''
  • Weather strips - blade : silicone resin


  • Weather strips frame : Silicone resin moulding
  • Choice of parallel or opposed blade action
  • Frames inserted in duct or flanged type frames
  • Jackshaft system assembly or face & by pass
  • Bearings : bronze, ball bearings or stainless steel
  • Painting: Acrythane Sico treatment


This multi blades damper is currently used for fresh air intake


VAP90MB PDF Specifications
VAPI90MB PDF Specifications