Control Damper - Round - Triple-V Single Blade - CD-21R

Round Control Damper
Triple-V Single Blade

CD-21R control damper employs a sturdy round frame and triple-V blades for automatic air control and manual balancing in low to medium pressure and velocity applications.

Specification

Standard Construction
Frame: 2" x 16 ga. (51 x 1.6) galvanized steel.
Blades: 14 ga. (2.0) equivalent galvanized steel-round.
Axles: 1/2" (13) diameter plated steel.
Linkage: Concealed in frame.
Bearings: Synthetic.
Control Shaft: 1/2" x 3" (13 x 76) drive axle.
Minimum Size: 5 Ø (127 Ø)
Maximum Size: 24" Ø

Ratings
Maximum System Velocity: 1500 fpm (7.7 m/s)
Maximum System Pressure: 1.0 in. wg. (0.25 kPa)
Temperature: -25^oF to 180^oF (-32^oC to 83^oC)

Technical specification

Unique ref.Control-Damper-Round-Triple-V-Single-Blade-CD-21R
Product familyHVAC
Product groupAir Control Dampers
TypeObject (single object)
Date of publishing2024-07-16
Edition number1

Links

Product urlhttps://www.pottorff.com/product/details/16

Classification

BIMobject CategoryHVAC - Ductwork
Uniclass 2015 CodePr_65_65_24
Uniclass 2015 DescriptionDuct dampers
CSI MasterFormat 2014 Code23 33 13.13
CSI MasterFormat 2014 TitleVolume-Control Dampers
OmniClass Number23-33 29 37
OmniClass TitleVolume Control Dampers

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States