Motorized Rectangular Dampers – EWC
The ND damper has a 97% leak proof rating. Overlapping blades and a strong positive off motor insures accurate control of all zones. The ND dampers combined with the Ultra-Zone zoning system provides the most comfortable and reliable system in the industry. The ND is available in 8″ x 6″ thru 30″ x 30″ in even inch increments.
ND Damper by EWC Controls, Inc. – EWC
Thank you for purchasing an ND damper from EWC Controls. Tech support is available at 800-446-3110. Here are some useful documents: ND. Information Sheet – ND. Submittal Sheet – ND w/ Current Version Motor MA-ND5. Special Situation Wiring Instructions: Damper Model ND/URD – Used with a Steve Co relay and thermostat
The ND damper has a 97% leak proof ra ng. Overlapping blades and a strong posi ve shut-off motor insures accurate control of all zones. The ND dampers combined with an Ultra-Zone zoning system provides the most comfortable and reliable system in the industry. The ND is available in 8" x 6" thru 30" x 30" in even
20X10ND - EWC Controls 20X10ND - 20" x 10" ND Motorized Damper
ND Motorized Damper. Size: 20" x 10" Voltage: 24V. Features: LED Light. Shape: Rectangular. Wires to Motor: 3. Motor Mount: Side. Application: Air Quality
- Reviews: 46
EWC Controls 20X8 ND 20" L X 8" H Motorized Damper - AF Supply
Model ND-RSD is a rectangular parallel blade damper constructed from heavy duty extruded aluminum with nylon bearings for quiet operation. The Motor Actuator is a 24vac ( Synchronous motor. It is typically a Power Close / Spring Open construction.
The ND-MA-15S (Rev 2) motor actuator is now equipped with LED’s to indicate damper blade position. The ND damper includes a glass filled nylon shaft and nylon bearings. The superior design insures long life, zero maintenance and a 5 year warranty.
EWC Zone Damper ND 10 X 14 Bottom Mount (motor on second dimension)
Feb 18, 2012 · The easy access, quick connecting terminal block eliminates the need for wire nuts and allows for trouble free use.The ND damper has a 97% leak proof rating. Overlapping blades and a strong positive off motor insures accurate control of all zones.
16X8ND - EWC Controls 16X8ND - 16" x 8" ND Motorized Damper
ND Motorized Damper. Size: 16" x 8" Voltage: 24V. Features: LED Light. Shape: Rectangular. Wires to Motor: 3. Motor Mount: Side. Application: Air Quality
- Reviews: 46
EWC Controls 8X16 ND Motorized Damper Power Open/ Power …
EWC Controls 8X16 ND Motorized Damper Power Open/ Power Close. General Features: The ND Damper is constructed using Heavy Duty 0.80” extruded aluminum. Nylon Bearings for quiet operation. Overlapping parallel blade design. Reliable operation up to 1.5”wc and 1500 FPM duct velocities. The UL Listed Motor Actuator.
MODEL ND Series Dampers Construction-Heavy Duty extruded aluminum. Nylon Bearings for quiet operation. Overlapping parallel blades for low leakage. Power open/Power closed. Designed to operate at static pressures up to 1.5” w/ less than 5% Leakage. UL Listed Motor Actuator is a 24vac 3 wire power open/ power close type rated at 18”lbs. of ...