7 RSD | 7 Inch Round Motorized Spring Return Damper | EWC Controls Section_Steel BSPT Adapters All valves shall have built-in

All valves shall have built-in position indicator with polypropylene handwheel

1-1/2 X 1-1/4 REDUCING GALV ELB

3/8 FIP 4-WAY VALVE WF CLICK

1-1/4 PVC TRUE UNION INDUSTRIAL 3 WAY L/1 HORIZONTAL FLANGED FKM

7 RSD | 7 Inch Round Motorized Spring Return Damper | EWC Controls Section_Steel BSPT Adapters All valves shall have built-in7 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