All materials and processes have multiple hazards. However, it is highly unlikely that any alternative process will be inherently safer with respect to all hazards. So, optimization efforts must focus on identifying the design that gives the best overall combination of desirable characteristics.
In order to achieve all the benefits of a total productive maintenance program, you have to start with autonomous maintenance and a CMMS. This can lead to maximum equipment effectiveness through the elimination of defects, downtime, slowdown, and so on.
Readers offer tips about reliable alternatives to conventional check valves. Suggestions include using a fluidic check valve, switching to a U-trap, using a standpipes putting two check valves in the series and changing position relative to the ground.
Installing an electric drive on a steam boiler damper results in lower fuel consumption. The reason? The electric drive enables boiler operation with just the right amount of excess air at lower firing rates.
Joshua I. Anderson, Adolfo B. Aparicio and Scott T. Rutkoski