Damper Selection And Sizing - Honeywell AUTOMATIC CONTROL Engineering Manual

Introduction ............................................................................................................ 453
Definitions ............................................................................................................ 453
Damper Selection ............................................................................................................ 454
Damper Types ..................................................................................... 454
Performance Data ............................................................................... 458
Application Environment ...................................................................... 460
Actuators and Linkages ....................................................................... 461
Parallel and Opposed Blade Dampers ............................................ 454
Round Dampers .............................................................................. 454
Low Leakage Dampers ................................................................... 454
Smoke Dampers ............................................................................. 456
Fire Dampers .................................................................................. 456
Multiple Section Dampers ............................................................... 457
Baffles ............................................................................................. 457
Typical Damper Construction .......................................................... 458
Leakage Ratings ............................................................................. 458
Torque Requirements ...................................................................... 460
Velocity Ratings .............................................................................. 460
Temperature Ratings ....................................................................... 460
Pressure Ratings ............................................................................ 460
UL Classification (Fire/Smoke) ........................................................ 460
Velocity ............................................................................................ 460
Static Pressure ................................................................................ 461
Temperature .................................................................................... 461
Corrosion ........................................................................................ 461
Turbulence ...................................................................................... 461
Nuclear/Seismic Applications .......................................................... 461
Normally Open/Normally Closed ..................................................... 461
Actuator Mounting Alternatives ....................................................... 462
Positive Positioners ......................................................................... 462
Multiple Actuators ............................................................................ 462
Jackshafts ....................................................................................... 463
Actuator Selection ........................................................................... 463
451

DAMPER SELECTION AND SIZING

Damper Selection
and Sizing
ENGINEERING MANUAL OF AUTOMATIC CONTROL
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