Double Deflection Grille

Each bank of bars is pivoted at the front which gives a uniform appearance regardless of blade angle setting.

Double deflection grille.

Single deflection grilles have one bank of fully adjustable blades which are held in place by high tens ile spring wire hidden behind the grille flange. Double deflection grilles are typically used to throw air horizontally in relatively large spaces. Available in many standard sizes to fit ducts from 6 to 36 and offered in either a pristine white powder coat or aluminum finishes. Model dd double deflection grille incorporates two sets of individually adjustable blades.

Description about sd dd fb single deflection double deflection and fixed blade the deflection range of grilles are versatile and cost effective and are available in three models. Consequently room temperatures will vary with room loads assuming the duct air temperature and pressure remain constant. Fitting options grilles 5 push in clip method. Aluminum direct spiral duct mounted double deflection supply grille with radius end cap 3 4 spacing with front blades parallel to long dimension.

Stainless steel perforated return grille 3 16 holes on 1 4 staggered centers. The 250 series double deflection supply grille provides effective directional control of the air stream in one two three or four directions. Code suffix pc these sprung clips are compressed when the grille is pushed into place. This method is only suitable for linear grilles with 0 blade single double deflection grilles egg crate grilles curved blade grilles and any other grille with the removable or hinged core option specified.

Truaire s sf series single and double deflection spiral style diffusers feature durable extruded aluminum construction and have individually adjustable blades for deflection control. Deflection grilles single double fixed blade series sd a fully adjustable cost effective grille suitable for supply or extract applications. Sd single deflection a single bank of individually adjustable blades held in place by high tensile spring wire. Available in many standard sizes to fit ducts from 6 to 36 and offered in either a pristine white powder coat or aluminum finishes.

They do not automatically regulate the air volume entering the conditioned space as they are constant volume devices. The front blades may be either horizontal or vertical.