Nca-Manual Balancing Dampers

Overview
NCA offers several options for manual balancing dampers including light duty/economy single blade versions (PBD-20 and PBD-20RS) as well as solutions for low to medium/high pressures and velocities with the multi-blade model MBD-57. 

Product Features

• Galvanized steel construction

• Easy to install

• Economy models (PBD-20) to replace shop-built dampers

• Multi-blade models (MBD) for medium duty applications

• Precise airflow measuring (ID and ID-SS)

Models

Square/Rectangular Control Dampers:

• PBD-20 – Economy Single Blade

• MBD-57 – Multi-Blade

Round Control Dampers:

• PBD-20RS – Economy True Round

• MBD-RD-88 – True Round

• ID and ID-SS – Round Iris Damper

Options

• Standoffs (1” or 2”) available to allow for duct insulation

• Manual hand quadrants available (standard on PBD models)

• Square/rectangular, round or oval transitions available for model MBD