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and concrete constructions
Application to regulate low – medium air velocities in ventilation systems
Foil-faced
Rimmed design for use in hollow materials
The sickle blade design reduces noise while improving performance
Single Blade Damper with Seal Case Mounted Axial Fans and concrete constructionsManufactured from corrosion resistant galvanised steel as standard Complies with HVCA specification DW144 Suitable for high, medium, and low pressure systems Turning circular blade is stepless adjustable 0 90 Utilised for lower demands for shut off capacity Admits an insulation thickness of approximately 50 mm On occasion can be used for regulation The integrated EPDM rubber seal provides an airtight connection without additional sealants, achieving
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