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
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