Greenheck Fan SSWDR-53 User's Manual
Contents
1. A GREENHECK SSWDR 53 Stainless Steel Round Backdraft Damper APPLICATION Model SSWDR 53 is a round backdraft damper which may be mounted horizontally for airflow up or down or mounted vertically for horizontal airflow RATINGS Pressure 3 in wg 7 kPa Velocity 2000 fpm 10 2 m s Temperature 180 F 82 C STANDARD CONSTRUCTION Frame 20 ga 1mm 304 stainless steel Blades 24 ga 7mm 304 stainless steel Blade Seal closed cell neoprene EPDM SBR blend SIZE LIMITATIONS available in 1 in 25mm increments Minimum Size 4 in 102mm Maximum Size 24 in 610mm OPTIONAL FEATURES Extended Frame Diameter is approximately 1 8 in 83mm undersize Extended Frame Damper Model Length SSWDR 53 Standard Frame 3 25 in 83mm SSWDR 53 Extended Frame 5 in 10 999 in 7 25 in 127mm 279mm 184mm Airflow 11 in 16 999 in 10 25 in 279mm 432mm 260mm 17 in 24 in 13 25 in 432mm 610mm 336mm AGREENHECK P O Box 410 Schofield WI 54476 0410 715 359 6171 greenheck com Copyright 2008 Greenheck Fan Corporation SSWDR 53 Rev 2 October 2008
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