331-3012 | Damper Actuator, Pneu No 6, 4" Stroke, 3-8psi, Integ Pivot, Ext Shaft | Siemens Size_8X3 For a replacement System 450

For a replacement System 450 power module

24X21 PVC REDUCING COUPLING GASKET 80PIP

W/ 3/4 TAIL

4X4X2 PVC DWV REDUCING STREET WYE SPGXHUBXHUB

1/2 X 8 304 SS NIPPLE

331-3012 | Damper Actuator, Pneu No 6, 4" Stroke, 3-8psi, Integ Pivot, Ext Shaft | Siemens Size_8X3 For a replacement System 450Damper Actuator, Pneu No 6, 4" Stroke, 3 8psi, Integ Pivot, Ext Shaft Pneumatic Model No. 6 Spring Range 3 8 psi Ball Joint Connector NO Clevis YES Mounting Style Extended Shaft Pivot YES Pneumatic Bracket NO Positioning Relay NO Stroke 4 in Resources Datasheet(Powers Controls No. 6 Pneumatic Damper Technical Instructions)Datasheet(Pneumatic Damper Actuators Submittal Sheet)Datasheet(Powers Controls Maximum Thrust Ratings of Pneumatic Damper TB 181.