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Furnish and install Ruskin Rooftop Systems "510 & 515 series" concentric diffuser systems. The system shall consist of an aluminum supply diffuser with an aluminum egg crate return. It shall also have a permanent (not adhesive) anti-sweat gasket and hanging supports. All units that are five (5) tons and smaller shall have a molded fiberglass interior transition.
RRS Concentric Diffuser System, Flush Mount, 510 Series, 23-5/8 in Width, 13-1/2 in Depth
Data/Spec Sheet-1
- All data is based on the air diffusion council guidelines
- Throw data is based on terminal velocities of 75 FPM using isothermal air
- Neck velocity is the speed in feet per minute of the air coming into the diffusers similar to duct velocity
- Jet velocity is the speed in feet per minute of the air exiting the diffusers
- Actual noise levels are less than those shown
- Even four (4) way air distribution
- Lightweight design
- Factory assembled and sealed
- Return air egg crate is easily removed
- Units are fully insulated (both supply and return)
- 1600 cfm
- 0.24 psi static pressure
- 18 to 25 throw in feet
- 625 and 1111 neck and jet velocity
- 30 noise level
- 18 RD duct size