Attempting to move fine (200 mesh), hot (300° F), and abrasive material from an asphalt plant baghouse into a dust silo can wreak havoc on the valves installed to do the job. And if they fail, it can wreak havoc on your operations. It can be a challenge even for a high-end double flap airlock valve. Rich Halliday, Jr., asphalt plant superintendent at Wilkes-Barre Materials, L.L.C. in Northeastern Pennsylvania, knows what a challenge

Join for free to read