The five-year research program considered the seismic design of corrugated metal decks, with and without concrete topping, as a diaphragm system that is an integral part of the steel structure. Photo ...

have flexible diaphragms, or bellows, to isolate operating parts from fluids. Removing metal-to-fluid contact eliminates corrosion, contamination, and clogging in wetted valves. The valves feature all ...