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682/A682 — Steel/Aluminum 2-way Register, MS damper, 1/2" Fin Spacing

How to Specify

Provide the following information:

  • Model Number
  • Width
  • Height
  • Finish

How to Purchase

FAQs for GRDs

682/A682 — Steel/Aluminum 2-way Register, MS damper, 1/2" Fin Spacing

Assets/Details

Engineering Data (149 KB, PDF)
A680 Sell Sheet (454 KB, PDF)
  • All-steel construction (682)
  • Aluminum construction (A682)
  • Used for ceiling or sidewall installations
  • Ideal for shallow duct installations
  • Two-way deflection
  • 1/2" spaced fins set at 40 degrees
  • Multi-shutter valve
  • 1 5/8" depth when fully opened
  • Interlocking valve louvers for positive shut-off
  • Bright White finish
  • Available with fusible link option, limited sizes (not UL-listed or fire-rated)

Available sizes (inches)

Height
Width68101214182024
4
5
6
8
10
12

 

682/A682 - Steel/Aluminum 2-way Register, MS damper, 1/2

Product Performance Measurements*

All Sizes
8 x 4
6 x 6
10 x 4
12 x 4
10 x 6
8 x 8
12 x 6
14 x 6
10 x 10
12 x 8
14 x 8
12 x 12

Terminal Velocity

75 FPM

Size Face Velocity 300 400 500 600 700 800 900 1000
W x H "AK"Pressure Loss0.0060.01 0.0160.022 0.0310.04 0.050.062
8 x 40.09Throw23.54.55.56.5789
6 x 60.105CFM30405065758595105
Throw33.54.5678910
10 x 40.115CFM354560708090105115
Throw345678910
12 x 40.14CFM40557085100110125140
Throw3.54.55.56.5891011.5
10 x 60.185CFM557595110130150165185
Throw456.58910.51213
8 x 80.2CFM6080100120140160180200
Throw45.5789.51112.513.5
12 x 60.225CFM7090115135160180205225
Throw4.567.58.510.5121314.5
14 x 60.29CFM85115145175205230260290
Throw56.58.51011.513.51517
10 x 10 0.31CFM95125155185215250280310
Throw578.510121415.517
12 x 80.32CFM95130160190225255290320
Throw5.57910.512.5141618
14 x 80.39CFM115155195235275310350390
Throw68101214161820
12 x 120.47CFM140190235280330375425470
Throw6.58.510.512.515171921