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Stock Catalog ~ Air Distribution

Perforated-Face Diffusers


Supply



Model 6500


Steel Perforated Diffuser with Round Neck (Curved Blade)

The 6500 series perforated diffusers use blade-type pattern deflectors mounted on the backpan and are available in pre-selected 1, 2, 3, or 4-way blow patterns. Individually adjustable curved blades allow field adjustment of the air pattern in each direction, which may be field set to any position between a vertical throw and a tight ceiling, long throw pattern. The pattern deflectors on the backpan create aspiration of secondary air through the perforated face where it is mixed with primary air that is then discharged through the perforated face.

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Model 6600


Steel Perforated Diffuser with Round Neck and Face Mounted Deflectors

The 6600 series perforated diffusers uses modular air pattern controllers mounted to the backside of the perforated face, which are factory set for 4-way air pattern. They are field adjustable for 1, 2, or 3-way pattern or may be removed for down blow without reducing the core area. The 6600 series diffusers exhibit typical isothermal throws of 12’ to 17’ for 4-way air distribution and 21’ to 30’ for 1-way air distribution. The modular capability makes the 6600 ideal for installations with changing air pattern requirements such as tenant lease spaces. Matching returns are the 6490 and 6690 series.

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Return



Model 6490


Steel Perforated Return with Square Neck

These perforated face return diffusers are constructed with a perforated face with 3/16” diameter holes on 1/4” centers resulting in a 51% free area. The diffuser backpan is constructed of heavy gage steel and provides a square neck.

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Model 6690


Steel Perforated Return with Round Neck

The 6690 diffusers feature a perforated face with 3/16” diameter holes on 1/4” centers. The backpan is constructed of heavy gage steel with a round neck.

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Model 6790


Steel Perforated Return with No Neck or Backpan

The 6790 series perforated return panel is designed for non-ducted return or exhaust applications. This panel does not feature a backpan and is applicable for lay-in type ceilings. This series compliments the 6000 supply diffusers to maintain a consistent appearance within the space.

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