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ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17¾ IN H, 17¾ IN W

ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17¾ IN H, 17¾ IN W

DAYTON

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Available only while supplies last. Quantities may be limited. The Item is FINAL SALE.
ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17¾ IN H, 17¾ IN W

ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17¾ IN H, 17¾ IN W

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. : $86.64 / EACH

EHC: EHC :

Compliance and Restrictions

  • None

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https://catalogue.grainger.ca/?hybris=true
  • Item # DTN4HX77
  • Mfr. Model # 4HX77
  • UNSPSC # 40101504
  • CATALOGUE PAGE # 1859
  • Shipping Weight 8.0 lbs

Product Details

This CWV series manual damper includes felted edges for quiet operation, is made of aluminum, and it measures 17¾ inch width, 17¾ inch height, 4½ inch length. This manual damper is wall mountable.

Technical Specs

  • ItemManual Damper
  • Frame MaterialAluminum
  • Maximum Air Velocity2,250 fpm
  • Rough Opening Diameter15 1/2 in
  • Fits Fan Diameter12 in
  • Free Area1.2 sq ft
  • Frame Material Thickness0.1 in
  • Frame Depth1 5/8 in
  • Maximum Pressure1 in wc
  • Blade MaterialAluminum
  • Single Acting/Double ActingSingle Acting
  • Maximum Ambient Temperature180 Degrees F
  • Flange Width1 1/2 in
  • Closure Velocity Rating2,250 fpm
  • Switch ActionNormally Closed
  • IncludesFelted Edges for Quiet Operation
  • Flange TypeFront Flange
  • Airflow DirectionHorizontal, Vertical
  • Opening TypeSpring
  • Mounting PositionVertical
  • Blade Material Thickness26 ga
  • Minimum Ambient Temperature-40 Degrees F
  • Damper Application Backdraft
  • Number of Panels 1
  • Overall Height 17 3/4 in
  • Rough Opening Shape Square
  • For Duct Shape Square
  • Overall Width 17 3/4 in
  • Overall Length 4 1/2 in
  • Rough Opening Length 14 1/2 in
  • Rough Opening Width 15.5 in
  • Damper Type Static
  • Blade Type Flat Blade
  • Closure Type Gravity
  • Blade Orientation Parallel Blades
  • Frame Less Flange 15 sq in
  • Counterbalanced Counterbalanced
  • Mounting Location Wall
  • Blade Seal Material Felt
  • Tie-Rod Material Galvanized Steel Frame and Tie Rods
  • Series CWV
  • Bushing Material Stainless Steel
  • Damper Finish Mill Finish
  • 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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