Double deflection supply r g provide a discharge directly away from the wall or ceiling with both vertically and horizontally.
Double deflection grille with damper.
70 14 5 kg 22 5 kg.
With high quality and competitive pricing these grilles form the back bone of a standard offering that will meet any application requirements.
Vhd aluminum double deflection register with obd damper how to specify use the engineering data files to determine the proper size to use for maximum performance.
Just like their single deflection counterparts though volume control and a wide range of further options and accessories are available for series dd grilles.
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.
Quick select chart this shows grilles with.
Operator default p pull cord ceiling a pull cord wall v lever application.
The hollow air foil grille bars are spaced on 750 centers.
The obd provides complete air control in both planes and equal air distribution over entire register face.
Rickard manufacture and can supply double deflection grilles with obd s as required.
Fixed blades grilles have one bank of blades set at 0 15 or 45.
Sd single deflection a single bank of individually adjustable blades held in place by high tensile spring wire.
Double deflection grilles have two banks of individually adjustable blades set at 90 to each other.
Rickard double deflection grilles can be used in a multitude of applications.
List height or width 19mm pitch inside size of duct or timber ground list height or width of grille single deflection double deflection grille types gh gv grille types ghv gvh grille c w damper types gh do gv do grille c w damper types ghv do gvh do overall size list width or height 45mm aperture size list width x height.
The 250 series double deflection supply grille provides effective directional control of the air stream in one two three or four directions.
A minimum duct velocity of 300 fpm.
990hobd or 990vobd and al990hobd or al990vobd double deflection supply with opposed blade damper steel or aluminum these models provide maximum four way diffusion.
As per the name double deflection grilles add another row of blades set at 90 to the forward set enabling throw to be created in a 360 pattern.
Steel double deflection supply grille 3 4 blade spacing front blades parallel to long dimension titus 300 350 series supply grilles define the standard for the industry.
Typically they are intended to be used as constant volume outlets with or without opposed blade balancing dampers.
Single deflection grilles have one bank of individually adjustable blades.
Damper operator std.