Round Duct Grilles (Spiral Pipe Grille)

YKM-DD : Double deflection supply circular duct grilles, with adjustable horizontal and vertical blades, inclined hit and miss damper and circular shaped frame. 

YKM-DT : Single deflection Return Grilles, with adjustable horizontal or vertical blades and circular shaped frame.

Product Information

• Aluminum construction
• Exposed spiral duct applications
• Vertical front blades
• Can be installed in round duct diameters from 4" to 48" (100-1200mm)
• Integral gasket seals grille tightly to duct (optinal)
• Accurate balancing and air control
• White finish, mill finish optional