Round Duct Grille HDKM
• HDKM-S: Supply Type Round Duct Grille.
• HDKM-R: Extract Type Round Duct Grille
These grilles are used in round ducts for air supply and extraction. As an option single or double row blades types can be manufactured. The grilles can be manufactured in any desired radii to enable easy assembly into the ducts. Moving blades enable the throw direction of the air to be adjusted either vertically or horizontally. An optional damper can be attached for regulation.
Round blade grille frames and blades are made from aluminium and only 1st class aluminium profiles are used.
All of the product frame and blades are manufactured from extruded aluminium profiles.
• Electrostatic powder coating (Standard colours are RAL 9010 and RAL 9016)
• Aluminium anodised
• As an option, all the colours in other RAL codes can be provided.
• 22 mm frame
• 28 mm frame
• Installation with screw to round air duct.
• PK: Parallel blade damper
• ZK: Opposed blade damper