331-805 | Damper Shaft Crank, Adjustable Radius | Siemens Top to Inlet Center_1.12 in A mounting kit is required

A mounting kit is required for direct attachment of a positioning relay to a pneumatic damper actuator

4 PVC COUPLING SOCKET SCH80

5 (F NPT X ML MET ADPT)

2-1/2X1-1/2 PVC HOT TAP SADDLE EPDM ZINC BOLT

1-1/4 X 3 316 SS NIPPLE

331-805 | Damper Shaft Crank, Adjustable Radius | Siemens Top to Inlet Center_1.12 in A mounting kit is requiredDamper Shaft Crank, Adjustable Radius Resources Datasheet(Powers Controls No. 3 Pneumatic Damper Technical Instructions)Assortment System Descriptions(Powers Pneumatic Controls. Quick Reference Guide) More Info ^^This Damper Shaft Crank has an adjustable radius of 3 4 to 4 5 8" for 3 8" diameter damper shafts. This crank is used with No. 3 and 4 pneumatic damper actuators.