Product Description
. . . . . Siemens ASK74.1U Special Shaft Adapter accepts up to 1-1/20" diameter shafts and can be used for coupling to 1.05" jackshafts that are slightly oversized. This adapter is for use with OpenAir GCA, GBB and GIB damper actuators. When the adapter is used with a GIB damper actuator, it accepts shaft diameters from 3/4 to 1-1/20". Siemens. Siemens. ASK74.1U.