Volume Control Dampers
Gilberts Airgard Series provides a range of both standard (Mode A) and large format (Mode B) volume control dampers specifically designed to provide positive control within ducted air systems. Available with both spigotted and flanged connections, they are compatible with square, rectangular, circular and flat oval ductwork.

Series RD

Iris Duct Damper
Gilberts series RD range of Iris Duct Dampers have been designed to provide smooth, even and accurate proportional balancing in all types of air ductwork. Unlike conventional opposed blade dampers, when closing Gilberts Iris Dampers offer a uniform reduction in duct cross sectional area giving the advantage of reduced noise and air turbulence generation characteristics.