DAMPER CONTROL HARDWARE

GSI Patented Low Leakage Damper Hardware Components.

SPECIAL CHARACTERISTICS:

• • GSI Patented Die Cast Insert (Dead End) - Zinc-Aluminum Cast Alloy. 11/32" Diameter shaft x 9/16" Diameter Cap to Seal 3/8" Diameter Hole in Fitting Body
  • GSI Patented Damper Clip (2 Req'd.) - 18 Gauge G-60 Galvanized Steel
  • Damper Blade - 24 Gauge G-60 Galvanized Steel. Damper Blades that are 12" Diameter and Larger are Stiffened with (2) 3/8" Crimps 2 ¼" Apart Straddling the Damper Clips
  • GSI Patented Die Cast Insert (Threaded End) - Zinc-Aluminum Cast Alloy. 11/32" Diameter Shaft with 5/16"-18 UNC-1A Threads
  • GSI Patented Die Cast Insert (Threaded End for Stand-Off) - Zinc-Aluminum Cast Alloy. 11/32" Diameter with 5/16"-18 UNC-1A Threads. Supplied with Dampered Fittings with a 1⅜" or 2" Stand-Off
  • Cup Washer - 18 Gauge G-60 Galvanized Steel
  • Lock Washer - 5/16" Internal Tooth Zinc Coated Lock Washer
  • Damper Handle - 18 Gauge G-60 Galvanized Steel
  • Wing Nut - 5/16" Zinc Coated Wing Nut

  Notes:

  • All Galvanized Steel Components Meet ASTM A653 and A924
  • All G-60 Galvanized Coating Meets ASTM A653 and A90
  • Rossi ⅜" Rod Damper and Stand-off Hardware
  • ⅜" Bushing - Cast resin
  • Handle - Super-tough engineered 6/6 nylon resin
  • Stamped Regulator
  • Standoff - 18 gauge G90 galvanized steel (available in 1½" or 2" heights)
  • Locking Knob

   

  • Notes:

   

  • Galvanized steel standoff bracket meets ASTM A527 LFQ G90
  • Non-metallic materials are UL listed, SMACNA approved and plenum rated