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True Round Straight

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RM

Class I True Round Combination Fire-Smoke Damper

Arrow - RA

RM250, RM350

  • Maximum Velocity (FPM): 3000 fpm
  • Material Options: Galvanized Steel
  • Blade Type: True Round Straight
  • Frame Shape: Round
  • Pressure Drop: .015 in. w.g. @ 1000 fpm
  • Maximum Velocity (FPM): 3000 fpm (FPM)
  • Fire Resistance Rating (hrs): 1.5 hrs.
  • Temperature Rating (°F): 250 °F to 350 °F
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RK

Class I True Round Smoke Damper

Arrow - RU

RK250, RK350

  • Maximum Velocity (FPM): 3000 fpm
  • Material Options: Galvanized Steel
  • Blade Type: True Round Straight
  • Frame Shape: Round
  • Pressure Drop: .02 in. w.g. @ 1000 fpm
  • Maximum Velocity (FPM): 3000 fpm (FPM)
  • Temperature Rating (°F): 250 °F to 350 °F
More Info