Volume Control Damper – [LLAD]

Low leakage type: air leakage rate better than 0.10m3/s/m2 at 1000 Pa.
Blades and frame are constructed of high quality corrosion resistant galvanised steel.
Opposed blade action is standard.
Damper height exceeding 300mm supplied in multiple blades.
Length of Damper blade exceeding 1200mm is supplied with intermediate mullion.
Control operation is done manually by using worm-gear as standard.
Unless specified, otherwise damper comes without matching flange.
Standard depth of damper is 210mm.
SUS is available on request.
Aerofoil blades are available upon request.

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