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ALUMINUM BACKDRAFT DAMPER, FOR 36 IN FAN, FOR 36 IN NOMINAL DUCT DIAMETER, SINGLE PANEL

ALUMINUM BACKDRAFT DAMPER, FOR 36 IN FAN, FOR 36 IN NOMINAL DUCT DIAMETER, SINGLE PANEL

DAYTON

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Available only while supplies last. Quantities may be limited. The Item is FINAL SALE.
ALUMINUM BACKDRAFT DAMPER, FOR 36 IN FAN, FOR 36 IN NOMINAL DUCT DIAMETER, SINGLE PANEL

ALUMINUM BACKDRAFT DAMPER, FOR 36 IN FAN, FOR 36 IN NOMINAL DUCT DIAMETER, SINGLE PANEL

DAYTON

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $145.13 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.

Compliance and Restrictions

  • None

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https://catalogue.grainger.ca/?hybris=true
  • Item # WWG3HHN1
  • Mfr. Model # 3HHN1
  • UNSPSC # 40101504
  • CATALOGUE PAGE # 1859
  • Shipping Weight 15.6 lbs

Product Details

This 611 series manual damper includes pre-punched conduit hole knock-out, felted edges for quiet operation, is made of galvanized steel, and it measures 35¾ inch width, 35¾ inch height, 4½ inch length. This manual damper is ceiling/wall mountable.

Technical Specs

  • ItemManual Damper
  • For Nominal Duct Diameter36 in
  • Number of Panels1
  • Overall Height35 3/4 in
  • Rough Opening ShapeSquare
  • For Duct ShapeSquare
  • Overall Width35 3/4 in
  • Overall Length4 1/2 in
  • Rough Opening Length36 in
  • Rough Opening Width36 in
  • Damper TypeDynamic
  • Blade TypeFlat Blade
  • Closure TypeSpring
  • Closure Velocity Rating2,250 fpm
  • Switch ActionNormally Closed
  • IncludesPre-Punched Conduit Hole Knock-Out, Felted Edges for Quiet Operation
  • Flange TypeNone
  • Airflow DirectionHorizontal, Vertical
  • Series611
  • Bushing MaterialNylon
  • Damper FinishMill Finish
  • Damper Application Backdraft
  • Frame Material Galvanized Steel
  • Maximum Air Velocity 2,250 fpm
  • Rough Opening Diameter 36 in
  • Fits Fan Diameter 36 in
  • Free Area 8.2 sq ft
  • Frame Material Thickness 20 ga
  • Frame Depth 2 in
  • Maximum Pressure 1 in wc
  • Blade Material Aluminum
  • Single Acting/Double Acting Single Acting
  • Maximum Ambient Temperature 180 Degrees F
  • Blade Orientation Parallel Blades
  • Frame Less Flange 35.75 sq in
  • Counterbalanced Counterbalanced
  • Mounting Location Ceiling, Wall
  • Blade Seal Material Felt
  • Opening Type Motorized
  • Mounting Position Horizontal, Vertical
  • Blade Material Thickness 26 ga
  • Minimum Ambient Temperature -40 Degrees F
  • Country of Origin United States (subject to change)

Compliance and Restrictions

  • None

SDS Document Not Found

For assistance please contact the SDS Coordinator by email at productcompliance@grainger.ca

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