Description
For control and balancing of supply and extract air systems. All dampers are fitted with opposed blade action, airfoil blades as standard. The angles of the blades are adjusted via the lockable, manual operator with position indicator or with an optional extended spindle suitable for motorisation.
The linkage system is enclosed and positioned out of the airstream. Casing leakage conforms to HVCA specifications DW144 and Eurovent 2/2 classes A-C.
Construction
The casing is available fully flanged or with square/rectangular, circular or flat oval spigots and is manufactured from 1.2mm galvanised mild steel.
The blades are extruded aluminium airfoil section with pvc seals and stainless steel side seals.
Size
From 100 x 100 to 1000 x 1000 in one module.Â
Multiple assemblies can be supplied.