Ruskin Ruskin Siemens 331-4827 Pneumatic Actuator, AP331, #3 Size, 8-13 PSI, 2 3/4" Ruskin Siemens 331-4827 Pneumatic Actuator, AP331, #3 Size, 8-13 PSI, 2 3/4" - The 331-4827 Pneumatic Damper Actuator is a compact, modular, totally enclosed, rolling diaphragm-type actuator designed... $56.43 Add to Wishlist Quick Add
