Johnson Controls Round HVAC Dampers
With the increased use of spiral duct fabricating machines, round flex duct and VAV systems, round dampers are being installed much more frequently. Their sizing and installation convenience make them a popular choice for economical air control. Johnson Controls’ RD-2000 Series Round Dampers meet industry standards for low (1%) leakage butterfly dampers. They are easily installed in round ducts. These round dampers can be ordered with pneumatic or electric actuator or without actuator.
Notes: All models shown include damper seals. Models available w/o seals. Other options available: Pneumatic; 3-7; 5-10; 11-15# spring ranges. Electric: SPDT aux switch; Proportional w/0-10 feedback or 2-SPDT aux switch.
|Damper Actuators:||D-3031 (4"-8" Dampers)|
|D-3062 (9"-16" Dampers)|
|Spring Ranges:||Normally Open: 5-10 psi|
|Normally Closed: 8-13 psi|