Steel Dampers | McMaster-Carr

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System of Measurement

ID

Length

OD

0.075" to 3.75"

Spring Type

Duct Size

Spring Rate

End Type

Closed and Ground

Open and Ground

Wire Diameter

Compressed Length @ Maximum Load

Shaft Diameter

Shape

Hole Diameter

Component

Damper Hardware

Color

Finish

Aluminum Coated

Wire Thickness

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Fitting Connection

Quick-Disconnect Clamp

For Duct Shape

Rotation Direction

Clockwise and Counterclockwise

Counterclockwise

Pipe Size

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2,200 Products

Heating, Ventilation, and Air Conditioning

Duct Airflow Dampers

Duct Airflow Dampers

Regulate airflow through duct by adjusting from fully open to fully closed

Duct Damper Handles

Duct Damper Handles

Secure a replacement blade to your duct's damper or use to create a new damper

Duct and Fittings

Duct and Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

Diffusers

Evenly disperse airflow into a room to maintain a consistent temperature throughout

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Power Transmission

Speed Limiters

Control the speed of movement for attached components such as doors, panels, and drill presses

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Gas Spring Mounts

Gas Spring Mounts

Attach gas springs to panels, lids, and doors using a bracket or stud

Shaft Couplings

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

Shear Couplings

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Door Springs

Extend and snap back to pull storm doors and gates closed

Door Closer Arms

Door Closer Arms

Replace arms instead of the entire closer to continue to pull doors closed

Door Closers

Automatically and smoothly pull doors, storm doors, and gates closed

Door Stops

Keep doors from slamming into and damaging walls

Overhead Door Spring Winding Rods

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

Material Handling

Vibration-Damping Hangers

Vibration-Damping Hangers

Reduce vibration and noise in suspended equipment, such as air-handling units, pipe, and duct

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Routing Clamp Rails

Routing Clamp Rails

Use with rail-mount routing clamps to route pressurized lines in hydraulic systems

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

Pipe Hangers

Suspend pipe, conduit, and tube from threaded rods, hooks, and straps

Fluid Handling

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)