Description
For control and balancing of supply and extract air systems where high pressures and velocities may be experienced.
All dampers are fitted with opposed blade action, airfoil blades as standard. The angles are adjusted via the robust, hand operated, lockable quadrant 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. Stainless steel casing is optional in grades 304, 316 or 430.
The blades are galvanised mild steel with the option of extruded aluminium airfoil section or stainless-steel grades 304, 316 or 430.
Low leakage model is complete with blade and side seal gasket.
Size
From 100 x 100 to 2500 x 2000 in one module.
Multiple assemblies can be supplied.
