The SD-SRT line of round mechanical dampers provides you with a Commercial grade round damper

at a price that competes with residential grade dampers.

The quality of materials is "second to none" and is backed up by a 5 year - Best in Industry Warranty.

Due to the low sales volume on these 3” and 4” sheet-metal dampers, a slightly different damper can may be used from the one pictured. This damper will still feature a Belimo LMB24-SR-T motor.

This popular motor takes  0 to 10 volt or 4 to 20ma input signal to move to variable position. 

Features:

• Belimo LMB24-SR-T Modulating Brushless Motor
• True Commercial Quality
• 45 in - Ibs Torque
• Adjustable rotation angle up to 95°
• 95 second activation
• *Heavy 22 gauge construction with 18 gauge blades. 
• *Welded, leak proof seams-not riveted. 
• *Durodyne Bronze Bearings with anti rattle washers
• *Bolted on blades with 3/16 hardware-Blades will not vibrate off!
• Duro-Dyne Direct Coupled Linkage; Bronze Bushings