7 RSD | 7 Inch Round Motorized Spring Return Damper | EWC Controls Dimensions_1-3/4 in L 5X3 PVC REDUCING COUPLING SOCKET

5X3 PVC REDUCING COUPLING SOCKET SCH40 FABRICATED

21X3 PVC REDUCING TEE SOCKET 125PIPXIPS

AppStat: HPU

TRIM VALVE CV=4

7 RSD | 7 Inch Round Motorized Spring Return Damper | EWC Controls Dimensions_1-3/4 in L 5X3 PVC REDUCING COUPLING SOCKET7 Inch Round Motorized Spring Return Damper Description Model RSD is a round single blade damper constructed from heavy (24) gauge galvanized steel. The 24 volt motor actuator is direct coupled to the drive shaft. It is a power closed spring open action. (standard). The damper can be field reversed to a power open spring closed action. The RSD has a double layered blade design with an integrated Poron foam gasket to provide a seal when the damper is