Adjustable drive fans are for exhausting corrosive fumes from institutional and industrial laboratory hoods. Four basic sizes with forward-curved wheels and two sizes with backward-inclined fan wheels are available. Capacities range from 250 to 4,000 CFM at static pressure to 2 1/2-inches WG. Fume hood fan catalog No. 26001 lists electrical and mechanical specifications; and provides performance charts, dimensions, and photographs.
DF Fan Services Inc., 495 Wegner Dr., West Chicago, IL 60185.
These are the toys that inspired budding engineers to try out sublime designs, create miniature structures, and experiment with bizarre contraptions using sets that could be torn down and reconstructed over and over.
PowerStream is deploying the microgrid at its headquarters to demonstrate how people can generate and distribute their own energy and make their homes and businesses more sustainable through renewables.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.