Models 1810, 1820, 1870, and 1890

Nailor Balancing Dampers are ruggedly built and designed for manual balancing applications.

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They are a cost effective and reliable damper for reduced volume control and offer an economical manufactured product alternative to custom ‘shop built’ dampers. Not intended for use in shut-off or actuated applications.

Models

1810 - Vee Blade • Steel • Parallel

1820 - Vee Blade • Steel • Opposed

1810FDB - Vee Blade • Steel • Parallel • Flanged Frame

1820FDB - Vee Blade • Steel • Opposed • Flanged Frame

1870 - Square or Rectangular • Single Blade

1890 - Round

Submittals

All Submittals Combined

Individual Submittals

1810, 1820 • Vee Blade - Canada Only

1810, 1820 • Vee Blade - USA Only

1810, 1820 • Vee Blade • w/ Round Transitions - CR

1810FDB, 1820FDB • Vee Blade • Flanged Frame

1870 • Single Blade

1890 • Round • Single Blade

Options & Accessories

1000, 1100, 1800, 2000 Series • Side Mounting Plate • Control Dampers

HLQ, HLQ2 (HQ2) • Hand Locking Quadrant

Performance Data

1810, 1820 • Pressure Drop

1870 • Single Blade • Maximum Performance Ratings

1890 • Round • Single Blade • Maximum Performance Ratings

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Manual Balancing Dampers