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Houston Tx Corporate Office
400 Hobbs Rd., Suite 104
League City, Texas 77573-3560
Phone: (281) 316-2500
Fax:     (281) 526-2501

Austin Tx  Office
Phone: (281) 723-3650
Fax:     (512) 436-8723

 New OSHA/NFPA standards for combustible dust and new OSHA regulations for hexavalent chromium.
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Windband/Stack Cap Roof Fan

Triangle Engineering Windband/Stackcap Roof Fan


WIND BAND - Galvanized sheet steel with two formed reinforcing ribs. Supported by the galvanized steel brackets. It affords protection from weather and cross winds.
THROAT - Galvanized steel inner throat is welded to angle ring.
EXTERNAL BRACING - Used on larger units to give extra rigidity and prevent sagging and vibration.
DAMPER LIDS - Open automatically when fan is turned on, close automatically when fan stops.
POSITIVE BUMPER STOPS - Adjustable neoprene tipped bumper stops assure immediate closing when fan is cut off, yet permit maximum air flow when open.
DAMPER BEARINGS - Shutter lids turn on sintered bronze-oil bushings mounted on rust-proof rods for lifetime of resistance-free operation. Mounted outside of airstream.
NEOPRENE BUMPER - Mounted around top of throat. It assures positive damper contact. Prevents freezing in cold weather. Dampens sound when closing



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