Part #URD 8
8in Round Damper Side Mount Damper
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- Brand:Â EWC
- The URD series of round motorized dampers are a double layered blade design with an integrated Poron™ sealing gasket. The superior design insures long life and zero maintenance. URD dampers are easy to install, easy to wire up and come with a 5 year warranty. The URD damper is constructed of heavy 24 ga galvanized steel with factory rolled stiffening beads. The nylon bearings and Thermotuff™ drive shafts insure smooth, quiet operation and provide a thermal barrier to the motor. The URD is designed to operate reliably at static pressures up to 1-1/2 in WC. The UL listed MA-ND5 actuator is a 24 VAC 3 wire power open/power close type rated at 18 in-lb of torque. It includes an integrated wiring terminal block and a NEMA1 rated housing. The MA-ND5 motor features bright green and red LED's which correspond to the open and closed position of the blade. The motor also includes adjustable end stops for minimum/maximum blade position, that allows for field balancing of the full or minimum CFM flow, into a particular zone or area. The position LED's will illuminate regardless of the end stop positions.
- The indictors are a failsafe measure meaning that they will not illuminate until the blade of the damper has gone to its full open or full closed position|
- Poron™ sealing gasket
- EWC Motorized Zone Damper, Series: URD, 24 VAC, 50/60 Hz, 8 x 12 in Damper, Terminal Block, Round, 24 ga, Steel, Galvanized, Domestic