Description
Industrial Single Heavy Duty Blade Round Control Damper Standard Materials and Construction
- FRAME: Fabricated steel channel. Channel depth equal to blade diameter of 10” and less.
- BLADE: Single thickness with reinforcing gussets welded to blade parallel to air flow as required.
- SHAFT: Plated steel continuous length welded to blade.
- BEARINGS: Sintered stainless steel flanged sleeve, pressed into the frame.
- STOP: ¼” x ¼” metal bar for sizes up to 12” dia. ¼” x ½” metal bar above 12” dia. to 48” dia. Shall be welded to interior perimeter of sleeve.
- OPERATOR: Extended shaft 6” long beyond frame flanges.
- FINISH: Mill, galvanized with zinc rich touch up.
- TEMP. LIMIT: 250°F Consult the factory for temperature limits over 250°F.