Round Opposed Blade Non-Sealed Damper
The ROBN is our round opposed blade non-sealed damper designed to fit inside pipe sizes ranging from 18"-48" round. The welded 2" deep damper frame is undersized 1/4" for ease of installation, the damper blades are formed 16GA galvanized steel with linkage in the air stream for better blade operation. This damper has a 1/2" round control rod that can be operated by either a hand quadrant or an actuator.


Other materials include:
Stainless Steel or Aluminum with some S.S. Hardware


Options:
Nylon Bearings
Sleeves
Quadrants-Galvanized or Stainless Steel
Electric Actuators

See Spec Sheet (pdf format)