Product Description
. . . . . Siemens 331-2974 #4 Pneumatic Damper Actuator w/ Integral Pilot, Clevis and Pin, Pivot Mount (5 to 10 psi). Siemens. Siemens. 331-2931.
. . . . . Siemens 331-2974 #4 Pneumatic Damper Actuator w/ Integral Pilot, Clevis and Pin, Pivot Mount (5 to 10 psi). Siemens. Siemens. 331-2931.