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“Retrozone” and “Flexdamper” are trademarks of Retrozone inc.
Super Duty SRT Round Dampers
(Free Shipping in Continental the US)
Available Sizes: 3”, 4”, 5”, 6”, 7”, 8”, 9”, 10", 12", 14", 16", and 18" diameter
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Click on pictures in gallery to view entire images.
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.
- 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
5 Year Warranty!
Best industry warranty available! Motor covered by conditional Belimo manufactures warranty for up to five years; exclusions apply. Copy of complete warranty available upon request.
- Heavy gauge galvanized steel with reinforcing
beads for super duty strength
- Compatible with any zoning system or application using a power open / power close damper + works with slave zones!