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Round Smoke Damper,350 Deg F,24V close
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Round Smoke Damper, 350 Deg F, 24V

Price $559.50 / each

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  • Item # 3HGH5
  • Mfr. Model # 3HGH5
  • UNSPSC # 40101504
  • Catalog Page # 4311
  • Shipping Weight 13.77 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Motorized Smoke Damper
  • Shape Round
  • Actual Damper Sz. Dia. 11-7/8"
  • Material Galvanized Steel
  • Frame 20 ga.
  • Blade 14 ga.
  • Max. Temp. 350 Degrees F
  • Max. Velocity 3000 fpm
  • Pressure Differential Max. 4" wg
  • Seals Silicone Rubber
  • Voltage 24
  • Hz 60
  • Phase 1
  • Free Area 93.45 sq. in.
  • Nominal Duct Dia. 12"
  • Depth 8-1/4"
  • Mounting Type Vertical/Horizontal
  • Standards UL Standard 555S, NFPA 92A, 92B, 101 and 105, IBC, CSFM, NYC MEA, Class II Leakage
  • Includes Factory Mounted Actuator
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Compliance and Restrictions



Dayton Smoke Dampers are designed for use in HVAC system applications where emergency smoke control is required. Upon power interruption, damper closes automatically to prevent the spread of smoke through ducts or ventilation openings in smoke barriers. Qualified to UL Standard 555S leakage class of II.

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