8X12 ND-RSD NO | Rectangular Damper | 8X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Nominal Size_3-1/2 in (10 mm) square shaft

(10 mm) square shaft

2-1/2 PVC CL UTILITY SWG CK VALVE THREAD EPDM

1/4 X 1/8 (M FL X M 90 NEEDLE VALV)

1-1/4 PVC COMPACT 2000 BALL VLVE THREAD FKM

8X12 ND-RSD NO | Rectangular Damper | 8X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Nominal Size_3-1/2 in (10 mm) square shaftACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 8X12 ND MOTORIZED DAMPER SPRING RETURN NORMALLY OPEN 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 damper can be ordered as