Round Single Blade Non-Sealed Damper
The RSBN is our round single blade non-sealed damper designed to fit inside pipe sizes ranging from 6"-20" round. The welded 2" deep damper frame is undersized 1/4" for ease of installation; the blades are formed 16GA galvanized steel attached by a 1/2" round control rod that can be operated by either a hand quadrant or an actuator.

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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)